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S Index of Mineral Species

This alphabetical listing of S minerals include synonyms of accepted mineral names, pronunciation of that name, name origins, and locality information. Visit our expanded selection of mineral pictures.

Sabatierite     Cu4TlSe3 NAME ORIGIN: Named for Germain Sabatier (1923-), French mineralogist. Sabelliite !     Cu2Zn(As,Sb)O4(OH)3 NAME ORIGIN: For Dr. Cesare Sabelli (1934- ) of the Consiglio Nazionale delle Ricerche, Firenze, Ital. Sabieite     (NH4)Fe+++(SO4)2 NAME ORIGIN: Named for the locality. LOCALITY: Lone Creek cavern, near Sabie, Transvaal, South Africa. Sabinaite     (Na,Ca)4Zr2Ti(CO3)4O4 NAME ORIGIN: Named for Ann Phyllis Sabina Stenson (1930-), mineralogist, Geological Survey of Canada. Sabugalite     HAl(UO2)4(PO4)4 • 16(H2O) Sacrofanite     (Na,Ca,K)9Si6Al6O24[(OH),(SO4),(CO3),Cl)]4 • n(H2O) NAME ORIGIN: Named for the locality. LOCALITY: Mt. Sabatini, Sacrafano volcano area, Latium, Italy. Sadanagaite     (K,Na)Ca2(Fe++,Mg,Al,Ti)5[(Si,Al)8O22](OH)2 NAME ORIGIN: Named for Ryoichi Sadanaga (1920-), professor emeritus, University of Tokyo. Sadanagaite-K *  (see Potassicsadanagaite ) See Also: GOOGLE, Athena, MinDAT, MinMax Saddlebackite !     Pb2Bi2Te2S3 NAME ORIGIN: Named after the Archean-aged Saddleback greenstone belt which hosts the deposit. Safflorite     (Co,Fe)As2 NAME ORIGIN: From the German Safflor - "dyer's saffron." Sagenite - reticulated *  (see Rutile ) See Also: GOOGLE, Athena, MinDAT, MinMax Sahamalite-(Ce)     (Mg,Fe++)Ce2(CO3)4 Sahlinite     Pb14(AsO4)2O9Cl4 NAME ORIGIN: Named for Carl Andreas Sahlin (1861-1943), chemist and manager of the iron works at Laxa, Sweden. Sailaufite !     Ca2Mn3O2(AsO4)2(CO3) • 3(H2O) NAME ORIGIN: Named for the locality LOCALITY: Hartkoppe hill, Ober-Sailauf (Spessart mountains) Germany. Sainfeldite     Ca5(AsO3OH)2(AsO4)2 • 4(H2O) NAME ORIGIN: Named for Paul Sainfeld (1916-), Musee des Mineralogie, Ecole des Mines, Paris. Sakhaite     Ca3Mg(BO3)2(CO3) • 0.36(H2O) NAME ORIGIN: Named for the locality, Sakha being the name for Siberia in the Yakut language. LOCALITY: Solongo, Transbaikalia, Russia. Sakharovaite     (Pb,Fe)(Bi,Sb)2S4 NAME ORIGIN: Named for Marina S. Sakharova (1917-), Russian mineralogist. Sakuraiite     (Cu,Zn,Fe,In,Sn)4S4 NAME ORIGIN: Named for Kin-Ichi Sakurai (1912-1993), a Japanese amateur mineralogist. Sal Ammoniac *  (see Sal-ammoniac ) See Also: GOOGLE, Athena, MinDAT, MinMax Sal-ammoniac     NH4Cl NAME ORIGIN: Alchemist's Latin name for "salt of Ammon", used by early writers for common rock salt from near the Oracle of Ammon in Egypt. Saleeite     Mg(UO2)2(PO4)2 • 10(H2O) NAME ORIGIN: Named for Achille Salee (1883-1932), mineralogist, Universite Louvain, Belgium. Salesite     Cu(IO3)(OH) NAME ORIGIN: Named for Reno H. Sales (1876-1969), chief geologist, Anaconda Copper Mining Co. Saliotite     Na0.5Li0.5Al3AlSi3O10(OH)5 Salmiac *  (see Sal-ammoniac ) See Also: GOOGLE, Athena, MinDAT, MinMax Salmoite *  (see Tarbuttite ) See Also: GOOGLE, Athena, MinDAT, MinMax Salpeter *  (see Niter ) See Also: GOOGLE, Athena, MinDAT, MinMax Samarskite-(Y)     (Y,Fe+++,U)(Nb,Ta)5O4 NAME ORIGIN: Named for Vasilii Yefrafovich von Samarski-Bykhovets (1803-1870), Chief of Staff of the Russian Corps of Mining Engineers. Samfowlerite     Ca14Mn++3Zn2(Be,Zn)2Be6(SiO4)6(Si2O7)4(OH,F)6 NAME ORIGIN: Named for Samuel Fouler, M.D. (1779-1844), who early encouraged study of the Franklin deposits. Samiresite *  (see Betafite ) See Also: GOOGLE, Athena, MinDAT, MinMax Sampleite     NaCaCu5(PO4)4Cl • 5(H2O) NAME ORIGIN: Named for Mat Sample, mine superintendent, Chuquicamata, Chile. Samsonite     Ag4MnSb2S6 NAME ORIGIN: Named after its location. Samuelsonite     (Ca,Ba)Ca8(Fe++,Mn)4Al2(PO4)10(OH)2 NAME ORIGIN: Named for Peter B. Samuelson (1941-), Rumney New Hampshire, USA. Sanbornite     BaSi2O5 NAME ORIGIN: Named for Frank B. Sanborn, (1862-1936), Mineralogist, California Department of Natural Resources. Sandbergite *  (see Ganterite ) See Also: GOOGLE, Athena, MinDAT, MinMax Sanderite     MgSO4 • 2(H2O) NAME ORIGIN: Named for Bruno Sander (1884-1979), Austrian geologist, Alte Universitat, Innsbruck, Austria. Saneroite     Na2(Mn++,Fe+++)10Si11V+++++O34(OH)4 NAME ORIGIN: Named for Edoardo Sanero, formerly professor of Mineralogy at the University of Genova, Italy. Sanidine     (K,Na)(Si,Al)4O8 NAME ORIGIN: From the Greek sanis - "little plate" and idos - "to see." Sanjuanite     Al2(PO4)(SO4)(OH) • 9(H2O) NAME ORIGIN: Named for the locality. LOCALITY: Sierra Chica de Zonda, San Juan Province, Argentina. Sanmartinite     (Zn,Fe++)WO4 Santabarbaraite !     Fe+++3(PO4)2(OH)3 • 5(H2O) NAME ORIGIN: Named for Saint Barbara (4th century), a martyred christian who took refuge in the mines and converted many of the miners, hence her patronage to miners. Santaclaraite     CaMn++4Si5O14(OH)2 • (H2O) NAME ORIGIN: Named after it's locality. LOCALITY: Pennsylvania mine, SW side of San Antonio Valley, 4 miles ENE of Mount Hamilton, Santa Clara Co., California. Santafeite     (Mn,Fe,Al,Mg)2(Mn++++,Mn++)2(Ca,Sr,Na)3(VO4,AsO4)4(OH)3 • 2(H2O) NAME ORIGIN: Named after the Atchison, Topeka and Santa Fe Railroad Company, because if its contribution to the exploration and development of the New Mexico uranium deposits. Santanaite     Pb++9Pb++++2CrO16 Santite     KB5O6(OH)4 • 2(H2O) Saponite     (Ca/2,Na)0,3(Mg,Fe++)3(Si,Al)4O10(OH)2 • 4(H2O) NAME ORIGIN: From the Latin, sapo meaning "soap.' Sapphire - blue *  (see Corundum ) See Also: GOOGLE, Athena, MinDAT, MinMax Sapphire Quartz - blue colored *  (see Quartz ) See Also: GOOGLE, Athena, MinDAT, MinMax Sapphirine     (Mg,Al)8(Al,Si)6O20 NAME ORIGIN: Named after its blue color. Sapphiros of Pliny *  (see Lazurite ) See Also: GOOGLE, Athena, MinDAT, MinMax Sarabauite     CaSb10O10S6 NAME ORIGIN: Named for the locality. LOCALITY: Sarabau mine, Sarawak.Borneo. Sarcolite     NaCa6Al4Si6O24F (?) NAME ORIGIN: From the Greek for "flesh", alluding to the color. Sarcopside     (Fe++,Mn,Mg)3(PO4)2 NAME ORIGIN: From the Greek for "flesh" and "view," in allusion to its apparent flesh-red color [due to intimate intergrowth with graftonite]. Sarkinite     Mn++2(AsO4)(OH) NAME ORIGIN: Named from the Greek for "made of flesh" in allusion to the blood-red color. Sarmientite     Fe+++2(AsO4)(SO4)(OH) • 5(H2O) Sartorite     PbAs2S4 NAME ORIGIN: Named for Sartorius von Walterhausen (1809-1876), German geologist who first mentioned the species. Saryarkite-(Y)     Ca(Y,Th)Al5(SiO4)2(PO4,SO4)2(OH)7 • 6(H2O) NAME ORIGIN: Derivation of the name not given, probably for the locality; and for its high yttrium content. LOCALITY: Sary-Arka, Kazakhstan. Sasaite     (Al,Fe+++)14(PO4)11(SO4)(OH)7 • 84(H2O) NAME ORIGIN: Named for the South African Speleological Society (SAS). Sassolite     H3BO3 NAME ORIGIN: Named after its locality. LOCALITY: Sasso and the Tuscan lagoons, between Volterra and Massa Marittima, Italy. Satimolite     KNa2Al4(B2O5)3Cl3 • 13(H2O) Satin Spar *  (see Gypsum ) See Also: GOOGLE, Athena, MinDAT, MinMax Satpaevite     Al12V++++2V+++++6O37 • 30(H2O) NAME ORIGIN: Named for Kanysh I. Satpaev (1899-1964), Kazakh geologist. Satterlyite     (Fe++,Mg)2(PO4)(OH) NAME ORIGIN: Named for Jack Satterly (1906-), geologist at Ontario Department of Mines, Canada. Sauconite     Na0,3Zn3(Si,Al)4O10(OH)2 • 4(H2O) NAME ORIGIN: Named for the locality. LOCALITY: Ueberroth mine, Saucon Valley, near Friedensville, Lehigh County, Pennsylvania, USA. Saukovite(Cd) *  (see Metacinnabar ) See Also: GOOGLE, Athena, MinDAT, MinMax Sayrite     Pb2(UO2)5O6(OH)2 • 4(H2O) Sazhinite-(Ce)     Na2Ce[Si6O14(OH)] • n(H2O), (n >= 1.5) NAME ORIGIN: Named for Nikolai Petrovich Sazhin (1898-1969), Founder of the Russian rare-earth industry. Sazykinaite-(Y)     Na5YZrSi6018 • 6(H2O) NAME ORIGIN: Named after Ludmila B. Sazykina (1934- ), a Kola artist. Sborgite     NaB5O6(OH)4 • 3(H2O) Scacchite     MnCl2 Scainiite !     Pb14Sb30S54O5 NAME ORIGIN: Named for Dr. Giuseppe Scaini (1906-1988), engineer and skillful investigator of systematic and Italian mineralogy. Scandiobabingtonite !     Ca2(Fe++,Mn)ScSi5O14(OH) NAME ORIGIN: The name reflects its composition, as the scandium analogue of babingtonite. Scapolite *     (Na,Ca)4[Al3Si9O24]Cl NAME ORIGIN: Named in 1800 rom the Greek skapos - "rod" and lithos - "stone." Scarbroite     Al5(CO3)(OH)13 • 5(H2O) NAME ORIGIN: Named after the locality. LOCALITY: South Bay, Scarborough, England. Scawtite     Ca7Si6(CO3)O18 • 2(H2O) NAME ORIGIN: Named after its locality. LOCALITY: Scawt Hill, Antrim, Ireland. Schachnerite     Ag1.1Hg0.9 NAME ORIGIN: Named for Doris Schachner (1904-1989), German mineralogist. Schadeite *  (see Plumbogummite ) See Also: GOOGLE, Athena, MinDAT, MinMax Schafarzikite     Fe++Sb+++2O4 Schaferite !     NaCa2Mg2(VO4)3 NAME ORIGIN: Named after Helmut Schäfer (b. 1931), amateur mineralogist from Mayen-Kürrenberg, specialist in the minerals of the Eifel volcanic area, who discovered the mineral. Schairerite     Na21(SO4)7F6Cl NAME ORIGIN: Named for John Frank Schairer (1904-1970), American physical chemist, Geophysical Laboratory, Washington, DC, USA. Schallerite     Mn++16[As+++O2OH][Si12O30](OH)14 NAME ORIGIN: Named for Wakdemar Theodore Shaller ((1852-1967), mineralogist, U. S. Geological Survey. Schapbachite ?     AgBiS2 NAME ORIGIN: Named for the original (discredited) locality. LOCALITY: Discredited locality at Schapbach, Baden. Silberbrünnle Mine, Haigerach valley, Gengenbach, Schwarzwald (Black Forest), Baden-Württemberg, Germany Schapbachite *  (see Matildite ) See Also: GOOGLE, Athena, MinDAT, MinMax Schaurteite     Ca3Ge++++(SO4)2(OH)6 • 3(H2O) NAME ORIGIN: Named for Werner T. Schaurte (1892-1978), South African scientist. Scheelite     CaWO4 NAME ORIGIN: Named after the Swedish chemist, Karl Wilhelm Scheele (1742-1786). Schertelite     (NH4)2MgH2(PO4)2 • 4(H2O) Scheteligite ?     (Ca,Y,Sb,Mn)2(Ti,Ta,Nb,W)2O6(O,OH) NAME ORIGIN: Named in 1937 for Jacob Schetelig (1875-1935), Norwegian mineralogist, director of the Oslo Mineralogical Museum. Schiavinatoite !     (Nb,Ta)BO4 NAME ORIGIN: Named for Italian mineralogist Giuseppe Schiavinato (1915-1996). Schieffelinite     Pb(Te++++++,S)O4 • (H2O) NAME ORIGIN: Named for Ed Schieffelin (1847-1897), stagecoach driver and prospector who discovered the Tombstone district mines. Schirmerite     Ag3Pb3Bi9S18 to Ag3Pb6Bi7S18 NAME ORIGIN: Named for J. H. L. Schirmer, superintendent of the U. S. Mint, Denver, Colorado, USA. Schlegelite !     Bi7O4(MoO4)2(AsO4)3 NAME ORIGIN: Commission on New Minerals and Mineral Names (CNMMN) Schlemaite !     (Cu,[ ])6(Pb,Bi)Se4 NAME ORIGIN: Named for the Schlema-Alberoda ore field in the ancient mining region of Saxony, Germany Schlossmacherite     (H3O,Ca)Al3(AsO4,SO4)2(OH)6 NAME ORIGIN: Named for Karl Schlossmacher (1887-?), mineralogist and honorary member of the German Gemological Society. Schmeiderite *  (see Schmiederite ) See Also: GOOGLE, Athena, MinDAT, MinMax Schmiederite     Pb2Cu++2(Se++++O3)(Se++++++O4)(OH)4 Schmitterite     (UO2)TeO3 NAME ORIGIN: Named for Eduardo Schmitter Villada (1904-1982), professor of mineralogy, Universidad Nacional Autonoma de Mexico. Schneebergite !     Bi(Co,Ni)2(AsO4)2(OH,H2O)2 NAME ORIGIN: Named for the locality. LOCALITY: Dump material of the "Am Roten Berg" mining area, about 5 km SW of Schneeberg, Saxony, Germay. Schneiderhoehnite *  (see Schneiderhohnite ) See Also: GOOGLE, Athena, MinDAT, MinMax Schneiderhohnite     Fe++Fe+++3As+++5O13 NAME ORIGIN: Named for Hans Schneiderhöhn (1887-1962), German mineralogist. Schoderite     Al2(PO4)(VO4) • 8(H2O) NAME ORIGIN: Named for William P. Schoder (1900-1977), U. S. Chemist. Schoellhornite *  (see Schollhornite ) See Also: GOOGLE, Athena, MinDAT, MinMax Schoenfliesite     MgSn++++(OH)6 NAME ORIGIN: Named for Arthur Moritz Schoenflies (1853-1928), professor of mathematics, University of Frankfurt. Schoenite *  (see Picromerite ) See Also: GOOGLE, Athena, MinDAT, MinMax Schoepite     (UO2)8O2(OH)12 • 12(H2O) NAME ORIGIN: Named for Alfred Schoep (1881-1966), Belgian mineralogist who studied uranium mineralogy. Schollhornite     Na0.3CrS2 • (H2O) NAME ORIGIN: Named for Robert Schollhorn, German chemist. Scholzite     CaZn2(PO4)2 • 2(H2O) NAME ORIGIN: Named for Adolph Scholz (1894-1950), mineral collector and chemist, Regensburg, Germany. Schoonerite     Fe++2ZnMnFe+++(PO4)3(OH)2 • 9(H2O) NAME ORIGIN: Named for Richard Schooner (1925-), mineral collector, Connecticut, USA. Schorl     NaFe++3Al6(BO3)3Si6O18(OH)4 NAME ORIGIN: Old name of unknown origin. Schorl - (61.3.1.10) *  (see Schorl ) See Also: GOOGLE, Athena, MinDAT, MinMax Schorlomite     Ca3(Ti,Fe+++,Al)2[(Si,Fe+++,Fe++)O4]3 NAME ORIGIN: Named for the mineral schorl and from the Greek "homos," the same, in allusion to its resemblance to schorl. Schreibersite     (Fe,Ni)3P Schreyerite     V+++2Ti3O9 NAME ORIGIN: Named for Werner Schreyer (1930-), Ruhr University, Bochum, Germany. Schrockingerite     NaCa3(UO2)(CO3)3(SO4)F • 10(H2O) NAME ORIGIN: Named after Julius Freiherr Schrockinger von Neudenberg (1814-1882), who found and described the U occurrence at Jochymov, Bohemia, Czech Republic. Schroeckingerite *  (see Schrockingerite ) See Also: GOOGLE, Athena, MinDAT, MinMax Schrotterite *  (see Allophane ) See Also: GOOGLE, Athena, MinDAT, MinMax Schubnelite     Fe++(V+++++O4)(H2O) NAME ORIGIN: Named for Henri J. Schubnel (1935-), French mineralogist. Schuetteite     Hg3(SO4)O2 NAME ORIGIN: Named for Curt Nicolaus Schuette (1895-1975), American mining engineer and geologist, specialist in mercury deposits. Schuilingite-(Nd)     PbCu(Nd,Gd,Sm,Y)(CO3)3(OH) • 1.5(H2O) NAME ORIGIN: Named after Hendrik Jan Schuiling (1892-1966), Dutch engineer and Chief Geologist, Union Miniere du Haut-Katanga, former Belgian Congo. Schulenbergite     (Cu,Zn)7(SO4,CO3)2(OH)10 • 3(H2O) NAME ORIGIN: Named for the locality. LOCALITY: Glucksrad mine, near Oberschulenberg (Upper Schulenberg), Harz, Germany. Schultenite     PbHAsO4 NAME ORIGIN: Named for Baron August Benjamin de Schulten (1856-1912) of Helsingfors and Paris, who prepared and described artificial crystals of the compound. Schumacherite     Bi3[(V,As,P)O4]2O(OH) NAME ORIGIN: Named for Friedrich Schumacher, professor, University of Freiberg and Bonn, Germany Schwartzembergite     Pb++6(IO3)2O3Cl4 NAME ORIGIN: Named for H. Schwartzemberg, assayer, Copiapo, Chile. Schwefel *  (see Sulfur ) See Also: GOOGLE, Athena, MinDAT, MinMax Schwertmannite     Fe+++16O16(OH)12(SO4)2 NAME ORIGIN: In honor of Udo Schwertmann (1922 - ). Sclarite     (Zn,Mg,Mn++)4Zn3(CO3)2(OH)10 Scleroclase *  (see Sartorite ) See Also: GOOGLE, Athena, MinDAT, MinMax Scolecite     CaAl2Si3O10 • 3(H2O) NAME ORIGIN: From the Greek, skolec = 'worm' in reference to the mineral's reaction to the blowpipe flame. Scorodite     Fe+++AsO4 • 2(H2O) NAME ORIGIN: From the Greek skorodon - meaning "garlic" alluding to the arsenic odor when heated. Scorzalite     (Fe++,Mg)Al2(PO4)2(OH)2 NAME ORIGIN: Named for Everisto Pena Scorza (1899-?), Brazilian mineralogist, Mineral Survey of Brazil. Scotiolite *  (see Hisingerite ) See Also: GOOGLE, Athena, MinDAT, MinMax Scotlandite     PbSO3 NAME ORIGIN: Named for the country of origin. Scrutinyite     PbO2 NAME ORIGIN: The name alludes to the close scrutiny that is necessary to distinguish the mineral from its dimorph, plattnerite. Sea Foam *  (see Sepiolite ) See Also: GOOGLE, Athena, MinDAT, MinMax Seamanite     Mn3(PO4)B(OH)6 Searlesite     NaBSi2O5(OH)2 NAME ORIGIN: Named after it's locality. LOCALITY: Searles Lake, San Bernardino Co., California. Sederholmite     NiSe NAME ORIGIN: Named for J. J. Sederholm, former Director of the Gological Survey of Finland. Sedovite     U(MoO4)2 NAME ORIGIN: Named for Georgii Yakolevich Sedov (1877-1914), Russian polar investigator. Seeligerite     Pb3Cl3(IO3)O Seelite-1     Mg[(UO2)(AsO3)x(AsO4)1-x]2 • 7(H2O) NAME ORIGIN: Named for Paul (1904-1982) and Hilde (1901-1987) Seel, Belgium mineral collectors. Seelite-2     Mg(UO2)(AsO3)x(AsO4)1-x • 7(H2O) (x=0.7) NAME ORIGIN: Named for Paul (1904-1982) and Hilde (1901-1987) Seel, Belgium mineral collectors. Segelerite     CaMgFe+++(PO4)2(OH) • 4(H2O) NAME ORIGIN: Named for Curt G. Segeler (1901-1989), amateur mineralogist, New York City. Segnitite     PbFe+++3H(AsO4)2(OH)6 Seidite-(Ce) !     Na4(Ce,Sr)2{Ti(OH)2(Si8O18)}(O,OH,F)4 • 5(H2O) NAME ORIGIN: Named after Seidozero, literally Lake Seid, the central lake in the Lovozero complex. Seidozerite     (Na,Ca)2(Zr,Ti,Mn)2Si2O7(O,F)2 NAME ORIGIN: Named after the locality. LOCALITY: Lovozero massif, near the Muruai and Uel'kuai Rivers, Seidozero region, Kola Peninsula, Russia. Seifertite !     SiO2 NAME ORIGIN: Commission on New Minerals and Mineral Names (CNMMN) Seinajokite     (Fe,Ni)(Sb,As)2 NAME ORIGIN: Named for the locality. LOCALITY: In the Seinäjoki deposit, Vaasa, Finland Sekaninaite     (Fe++,Mg)2Al4Si5O18 NAME ORIGIN: Named after the Czechoslovakian mineralogist, J. Sekanina (1901-1986). Selen tellurium-Mixture with selenium *  (see Tellurium ) See Also: GOOGLE, Athena, MinDAT, MinMax Selen tellurium-Mixture with tellurium *  (see Selenium ) See Also: GOOGLE, Athena, MinDAT, MinMax Selenite *  (see Gypsum ) See Also: GOOGLE, Athena, MinDAT, MinMax Selenium     Se NAME ORIGIN: From the Greek, Selene, "goddess of the Moon" to contrast Tellure, "earth". Selenolite *  (see Olsacherite ) See Also: GOOGLE, Athena, MinDAT, MinMax Selenostephanite     Ag5Sb(Se,S)4 NAME ORIGIN: Named for the composition and similarity to stephanite. Seligmannite     PbCuAsS3 NAME ORIGIN: Named for Gustav Seligman (1849-1920), German mineral collector. Sellaite     MgF2 Selwynite     NaK(Be,Al)Zr2(PO4)4 • 2(H2O) NAME ORIGIN: For A. R. C. Selwyn (1824-1902), founding director of the Geological Survey of Victoria, Australia. Semenovite     (Na,Ca)9(Ce,La)2(Fe++,Mn)(Si,Be)20(O,OH,F)48 NAME ORIGIN: Named for Yevgeny Ivanovich Semenov, (1951-), Russian mineralogist, IMGRE, Moscow, Russia. Semseyite     Pb9Sb8S21 NAME ORIGIN: For Andor von Semsey (1833-1923), a Hungarian nobleman, who was also an amateur mineralogist. Senaite     Pb(Ti,Fe,Mn)21O38 NAME ORIGIN: Named for Joaquim de Costa Sena, Esola de Minas, Ouro Preto, Brazil. Senarmontite     Sb2O3 NAME ORIGIN: Named after the French mineralogist, H. Hureau de Senarmot (1808-1862). Senegalite     Al2(PO4)(OH)3 • (H2O) NAME ORIGIN: Named for the locality. LOCALITY: Kourondicko iron ore (magnetite) deposit, Faleme River Basin, Senegal. Senekevichite !     CsKNaCa2TiO[Si7O18(OH)] NAME ORIGIN: Commission on New Minerals and Mineral Names (CNMMN) Sengierite     Cu2(UO2)2V2O8 • 6(H2O) NAME ORIGIN: Named for Edgar Sengier (1879-1963), executive director, Societe Generale de Belgiwue. Sepiolite     Mg4Si6O15(OH)2 • 6(H2O) NAME ORIGIN: From the Greek, sepia - "cuttlefish" and lithos - "stone." From the German, meerschaum meaning "sea froth." Serandite     Na(Mn++,Ca)2Si3O8(OH) NAME ORIGIN: Named for J. M. Serand, West African mineral collector. Serbianite *  (see IMA1995-020a ) See Also: GOOGLE, Athena, MinDAT, MinMax Serendibite     Ca2(Mg,Al)6(Si,Al,B)6O20 Sergeevite     Ca2Mg11(CO3)9(HCO3)4(OH)4 • 6(H2O) NAME ORIGIN: Named for Evengi M. Sergeev (1914-), engineering geologist, Moscow University. Serpentine *  (see Clinochrysotile ) See Also: GOOGLE, Athena, MinDAT, MinMax Serpierite     Ca(Cu,Zn)4(SO4)2(OH)6 • 3(H2O) NAME ORIGIN: Named for Giovanni Battista Serpieri (1832-1897), Italian mining entrpreneur, founder of the Montecatini Co., and developer of the Laurium mines. Serrabrancaite !     MnPO4 • (H2O) NAME ORIGIN: Named after the locality. LOCALITY: Alto Serra Branca pegmatite, ~10 km southwest of Pedra Lavrand, Paraiba, Brazil. Severginite *  (see Tinzenite ) See Also: GOOGLE, Athena, MinDAT, MinMax Sewardite !     CaFe+++2(AsO4)2(OH)2 NAME ORIGIN: Named for Terry Maxwell Seward (1940-) who collected the mineral. Seybertite *  (see Clintonite ) See Also: GOOGLE, Athena, MinDAT, MinMax Shabaite-(Nd)     Ca(Nd,Sm,Y)2(UO2)(CO3)4(OH)2 • 6(H2O) NAME ORIGIN: Named for the locality. LOCALITY: Kamoto East, 5 km W of Kolwezi, Shaba, Zaire. Shabynite     Mg5(BO3)Cl2(OH)5 • 4(H2O) NAME ORIGIN: Named for Leonid I. Shabynin (1909-), Russian geologist. Shadlunite     (Pb,Cd)(Fe,Cu)8S8 NAME ORIGIN: Named for Tatanya Shadlun, Russian researcher on ore minerals. Shafranovskite     K2Na3(Mn++,Fe++,Na)4[Si9(O,OH)27](OH)2 • n(H2O), n~2.33 NAME ORIGIN: Named for Ilarion Ilarionovich Shafranovskii (1907-1994), mineralogist and crystallographer at the Mining Institute, St. Petersburg, Russia. Shahovite *  (see Shakhovite ) See Also: GOOGLE, Athena, MinDAT, MinMax Shakhovite     Hg+4Sb+++++O3(OH)3 NAME ORIGIN: Named for Feliks Nikolaevich Shakhov (1894-1971), Head of the Division of Geochemistry in the Russian Academy of Sciences. Shandite     Pb2Ni3S2 NAME ORIGIN: Named for Samuel James Shand (1882-1957), Scottish petrologist, Columbia University, New York City, New York, USA. Shannonite !     Pb2OCO3 NAME ORIGIN: For David M. Shannon (1942- ), a mineral dealer who helped collect the first samples of the mineral. Sharpite     Ca(UO2)6(CO3)5(OH)4 • 6(H2O) NAME ORIGIN: Named for R. R. Sharp (1881-1956), English engineer, prospector, and soldier, who discovered the Shikolobwe uranium deposit in 1915. Shattuckite     Cu5(SiO3)4(OH)2 NAME ORIGIN: Named after its locality. LOCALITY: Shattuck mine, Bisbee, Cochise Co., Arizona, USA. Shcherbakovite     KKNaTi2O(OH)[Si4O12] NAME ORIGIN: Named for Dmitrii Ivanovich Shcherbakov (1893-1966), Russian mineralogist and geochemist Shcherbinaite     V2O5 NAME ORIGIN: Named for Vladimir V. Shcherbina (1907-1978), Russian geochemist. Sheldrickite !     NaCa3(CO3)2F3 • (H2O) NAME ORIGIN: Named for George M. Sheldrick, creator of the SHELX software, widely used for the refinement of crystal structures. Sheridanite *  (see Clinochlore ) See Also: GOOGLE, Athena, MinDAT, MinMax Sherwoodite     Ca9Al2V++++4V+++++24O80 • 56(H2O) Shibkovite !     K(Ca,Mn,Na)2(K2-x,[ ]x)2ZnSi12O30 (x~0.8) NAME ORIGIN: Named after two prominent Russian geologists, Viktor Sergeevitch Shibkov (1926-1992) and Nikolai Viktorovitch Shibkov (1951-1991), who both spent their professional lives working on the g Shigaite     Mn++7Al4(SO4)2(OH)22 • 8(H2O) NAME ORIGIN: Named for the locality. LOCALITY: Loi mine, Shinga Prefecture, Japan. Shirokshinite !     K(NaMg2)Si4O10F2 NAME ORIGIN: Named for Nikolay V. Shirokshin (1809-), Russian geologist who in 1835 published the first geological data for the Khibiny massif. Shirozulite !     KMn3(AlSi3)O10(OH,F)2 NAME ORIGIN: Named for Haruo Shirozu, Professor Emeritus of Kyushu University for his contributions to the crystal chemistry of sheet-silicate minerals. Shkatulkalite !     Na10Mn++Ti3Nb3(Si2O7)6(OH)2F • 12(H2O) NAME ORIGIN: For the Shkatulka vein in which the mineral was found. Shomiokite-(Y)     Na3Y(CO3)3 • 3(H2O) Shortite     Na2Ca2(CO3)3 NAME ORIGIN: Named for Maxwell Naylor Short (1889-1952), professor of mineralogy, University of Arizona. Shuangfengite     IrTe2 NAME ORIGIN: After the locality. LOCALITY: Located hear the village of Shuangfeng about 190 km NNE of Beijing, People's Republic of China. Shubnikovite     Ca2Cu8(AsO4)6Cl(OH) • 7(H2O) (?) NAME ORIGIN: Named for Aleksei V. Shunikov (1887-1971), crystallographer, Institute of Crystallography, Moscow, Russia. Shuiskite     Ca2(Mg,Al)(Cr,Al)2(SiO4)(Si2O7)(OH)2 • (H2O) NAME ORIGIN: Named for V. P. Shuisk, petrologist of the Ural Scientific Center, Yekaterinburg (Sverdlovsk), Russia. Siamaite *  (see Strontiochevkinite ) See Also: GOOGLE, Athena, MinDAT, MinMax Sibirskite     CaHBO3 NAME ORIGIN: Named for Siberia (sibirski). Sicherite !     TlAg2(As,Sb)3S6 NAME ORIGIN: Named for Valentin Sicher (1925-), member of the Lengenbach syndicates who contributed greatly to the specimen recovery efforts. Sicklerite     Li(Mn++,Fe+++)PO4 NAME ORIGIN: Named after the discoverer of the Pala pegmatite deposits, Sickler. Siderazot     Fe5N2 NAME ORIGIN: Named for its composition (Greek, "sideros" = iron). Siderite     Fe++CO3 NAME ORIGIN: From the Greek sideros, "iron." Sideronatrite     Na2Fe+++(SO4)2(OH) • 3(H2O) NAME ORIGIN: Named after its composition. Siderophyllite     KFe++2Al(Al2Si2)O10(F,OH)2 NAME ORIGIN: Named from the Greek for "iron" and "leaf" in allusion to the composition and the micaceous character. Siderotil     Fe++SO4 • 5(H2O) Sidorenkite     Na3Mn(PO4)(CO3) NAME ORIGIN: Named for Alexander V. Sidorenko (1917-1982), Russian mineralogist. Sidpietersite !     Pb++4(S++++++O3S--)O2(OH)2 NAME ORIGIN: Named after Sidney Pieters (1920-2003), of Windhoek, Namibia for his outstanding contributions to Namibian mineralogy. Sidwillite     MoO3 • 2(H2O) Siegenite     (Ni,Co)3S4 NAME ORIGIN: Named after its ore-bearing locality, Siegen, Germany. LOCALITY: Grube Jungfer, Müsen, Siegen district, Nordrhein-Westfalen, Germany. Sieleckiite     Cu3Al4(PO4)2(OH)12 • 2(H2O) NAME ORIGIN: Named for Robert Sielecki (1958-), Australian geologist. Sigismundite !     (Ba,K,Pb)Na3(Ca,Sr)(Fe++,Mg,Mn)14Al(OH)2(PO4)12 NAME ORIGIN: For Pietro Sigismund (1874-1962), a well known collector of minerals from Valtellina, especially Val Malenco. Sigloite     Fe+++Al2(PO4)2(OH)3 • 5(H2O) NAME ORIGIN: Named for the locality. LOCALITY: Sigol XX mine, Llallagua, Potosi, Bolivia. Silhydrite     3SiO2 • (H2O) NAME ORIGIN: Named for its composition, a silica hydrate. Silicified pyrochlore *  (see Komarovite ) See Also: GOOGLE, Athena, MinDAT, MinMax Silicified pyrochlore *  (see Na-komarovite ) See Also: GOOGLE, Athena, MinDAT, MinMax Silicium *  (see Silicon ) See Also: GOOGLE, Athena, MinDAT, MinMax Silicon     Si NAME ORIGIN: From the Latin, silicis = "flint." Silicosmirnovskite *  (see Brockite ) See Also: GOOGLE, Athena, MinDAT, MinMax Silinaite     NaLiSi2O5 • 2(H2O) Sillenite     Bi12SiO20 NAME ORIGIN: Named fo rLars Gunnar Sillén (1916-1970) of Stockholm, Sweden for his work on Bi2O3 polymorphs. Sillimanite     Al2SiO5 = Al[6]Al[4]OSiO4 NAME ORIGIN: Named after the American chemist and mineralogist, B. Silliman (1779-1824). Silver     Ag NAME ORIGIN: Anglo-Saxon, of unknown origin. Silver amalgam (Hg) *  (see Amalgam ) See Also: GOOGLE, Athena, MinDAT, MinMax Silver Glance *  (see Acanthite ) See Also: GOOGLE, Athena, MinDAT, MinMax Silver Glance *  (see Argentite ) See Also: GOOGLE, Athena, MinDAT, MinMax Silvialite !     (Ca,Na)4Al6Si6O24(SO4,CO3) NAME ORIGIN: Named for Silvia Hillebrand, daughter of G. Tschermak, was first suggested in 1914 for the then-hypothetical SO4 analog of meionite. Simferite     Li(Mg,Fe+++,Mn+++)2(PO4)2 NAME ORIGIN: Named for the city of Simferpol, Crimea, Urkrane. Simmonsite !     Na2LiAlF6 NAME ORIGIN: Named after William B. "Skip" Simmons (b. 1943), University of New Orleans, New Orleans, Louisiana, U.S.A., specialist in the mineralogy and petrology of granitic pegmatites, especially t Simonellite     C19H24 NAME ORIGIN: Named for Vittorio Simonelli (1860-1929), Italian geologist and paleontologist, University of Bologna, Italy. Simonite     TlHgAs3S6 NAME ORIGIN: Named in 1982 for Simon Engel, son of Peter Engel (b.1942), Swiss crystalographer. Simonkolleite     Zn5(OH)8Cl2 • (H2O) NAME ORIGIN: Named for Werner Simon (1939-) and Kurt Kolle (1949-), mineral collectors from Conrberg, Germany. Simplotite     CaV++++4O9 • 5(H2O) NAME ORIGIN: Named for Jack R. Simplot (1909-) of the Simplot Mining Co., Boise, Idaho, USA. Simpsonite     Al4(Ta,Nb)3O13(OH) NAME ORIGIN: Named for Edward Sydney Simpson (1875-1939), Western Australian government mineralogis and mineral analyst. Sincosite     Ca(V++++O)2(PO4)2 • 5(H2O) NAME ORIGIN: Named for the locality. LOCALITY: Sincos, Dept. Junin, Peru, about 160 km E of Lima. Sinhalite     MgAlBO4 Sinjarite     CaCl2 • 2(H2O) NAME ORIGIN: Named for the locality. LOCALITY: Sinjar, W of Mosul, Iraq. Sinkankasite     H2MnAl(PO4)2(OH) • 6(H2O) NAME ORIGIN: Named for John Sinkankas (1915-2002), Captain, U.S. Navy, and author of books on minerals and gems. Sinnerite     Cu6As4S9 NAME ORIGIN: Named for Rudolph von Sinner (1890-1960), President of the Commission of the Natural History Museum, Bern, Switzerland. Sinoite     Si2N2O NAME ORIGIN: Named in 1964 for the composition (SiNO). Siserskite *  (see Osmium ) See Also: GOOGLE, Athena, MinDAT, MinMax Sismondine *  (see Magnesiochloritoid ) See Also: GOOGLE, Athena, MinDAT, MinMax Sismondine(Mg) *  (see Chloritoid ) See Also: GOOGLE, Athena, MinDAT, MinMax Sitinakite     Na2K(Ti,Nb)4O4(SiO4)2(O,OH) • 4(H2O) Sjoegrenite *  (see Sjogrenite ) See Also: GOOGLE, Athena, MinDAT, MinMax Sjogrenite     Mg6Fe++2(CO3)(OH)14 • 5(H2O) Skaergaardite !     CuPd NAME ORIGIN: Named for the locality. LOCALITY: Skaergaard intrusion, Kangerdlugssuaq area, East Greenland. Skinnerite     Cu3SbS3 NAME ORIGIN: Named for Brian J. Skinnner, Yale University, New Haven, Connecticut, USA. Skippenite     Bi2Se2(Te,S) NAME ORIGIN: Named for George Skippen, Carleton University, Ottawa, Canada. Skleroklas *  (see Sartorite ) See Also: GOOGLE, Athena, MinDAT, MinMax Sklodowskite     (H3O)2Mg(UO2)2(SiO4)2 • 4(H2O) NAME ORIGIN: Named for Marie Curie-Sklodowska (1867 - 1934), Polish-born French researcher of radioactive minerals. Discoverd the element radium. Skutterudite     (Co,Ni)As3-x NAME ORIGIN: Named after its locality. Smaltite In reference to smalt, a deep blue glaze in which this mineral was used to furnish the necessary cobalt. LOCALITY: Skutterud, Norway. Slavikite     NaMg2Fe+++5(SO4)7(OH)6 • 33(H2O) NAME ORIGIN: Named after the Czech mineralogist, Frantisek Slavik (1876-1957). Slawsonite     (Sr,Ca)Al2Si2O8 NAME ORIGIN: Named for Chester Baker Slawson (1898-1964, Mineralogist AT THE University of Michigan, Ann Arbor, Michigan, USA. Smaltite *  (see Skutterudite ) See Also: GOOGLE, Athena, MinDAT, MinMax Smaragdite - emerald green *  (see Actinolite ) See Also: GOOGLE, Athena, MinDAT, MinMax Smectite *  (see Rectorite ) See Also: GOOGLE, Athena, MinDAT, MinMax Smirnite     Bi2Te++++O5 NAME ORIGIN: Named for Vladimir Ivanovich Smirnov (1910-1988), Russian economic geologist and department chairman, University of Moscow. Smirnovskite *  (see Brockite ) See Also: GOOGLE, Athena, MinDAT, MinMax Smithite     AgAsS2 NAME ORIGIN: Named for George Frederick Smith (1872-1953), crystallographer of the British Museum, London, England. Smithsonite     ZnCO3 NAME ORIGIN: Named after James Smithson (1765-1829), English mineralogist who financed the founding of the Smithsonian Institution in Washington, DC, USA. Smoky Quartz - brown to black *  (see Quartz ) See Also: GOOGLE, Athena, MinDAT, MinMax Smolianinovite     (Co,Ni,Mg,Ca)3(Fe+++,Al)2(AsO4)4 • 11(H2O) NAME ORIGIN: Named for Nikolai A. Smoljaninov (1885-1957), Mineralogist, Moscow Univerisity, Russia. Smrkovecite !     Bi2O(OH)(PO4) NAME ORIGIN: Named for the locality. LOCALITY: Smrkovec, Slavkovsky Mt, Marianske Lazne, Czech Republic. Smythite     (Fe,Ni)9S11 or (Fe,Ni)13S16 NAME ORIGIN: Named for Charles Henry Smyth (1866-1937), economic geologist and petrologist of Princeton University, New Jersey, USA. Soapstone *  (see Talc ) See Also: GOOGLE, Athena, MinDAT, MinMax Sobolevite     Na11(Na,Ca)4(Mg,Mn)Ti++++4(Si4O12)(PO4)4O5F3 NAME ORIGIN: Named for Vladimir S. Sobolev (1908-1982), Soviet petrologist and former President of the Internatinal Mineralogical Association. Sobolevskite     PdBi NAME ORIGIN: Named for Petr Grigorevich Sobolevski (1781-1841), Russian metallurgist, who studied the platinum deposits of the Ural Mountains. Sobotkite ?     (K,Ca0.5)0.33(Mg,Al)3(Si3Al)O10(OH)2 • 1-5(H2O) NAME ORIGIN: Named in 1976 for the locality. LOCALITY: Mt. Sobotka, Godolow-Jordanow massif, Wiry, Lower Silesia, Poland. Sobotkite-Aluminian *  (see Saponite ) See Also: GOOGLE, Athena, MinDAT, MinMax Soda *  (see Natron ) See Also: GOOGLE, Athena, MinDAT, MinMax Soda Microcline *  (see Anorthoclase ) See Also: GOOGLE, Athena, MinDAT, MinMax Soda Niter *  (see Nitratine ) See Also: GOOGLE, Athena, MinDAT, MinMax Sodalite     Na8Al6Si6O24Cl2 NAME ORIGIN: Named from its chemical composition. Soddyite     (UO2)2SiO4 • 2(H2O) NAME ORIGIN: Named for Frederick Soddy (1877-1956), British radiochemist and physicist. Sodic-ferri-ferropedrizite !     NaLi2(Fe+++2Fe++3)Si8O22(OH)2 NAME ORIGIN: Named for the locality and the Fe++ and Fe+++ clinoamphiboles. LOCALITY: Pedriza Massif, Sierra del Guadarrama, Spain. Sodic-ferriclinoferroholmquistite *  (see Ferri-clinoholmquistite ) See Also: GOOGLE, Athena, MinDAT, MinMax Sodic-ferripedrizite !     Na(LiNa)(Fe+++2Mg2Li)Si8O22(OH,F)2 NAME ORIGIN: Named for the locality and the prefixes "ferri" and "sodic" as recommended by the amphibole commission. LOCALITY: In the Arroyo de la Yedra, Eastern Pedriza Massif, Sierra de Guadarrama, Central System, Spain. Sodic-ferro-anthophyllite !     NaFe++7Si8O22(OH)2 NAME ORIGIN: From its compostition and from the Latin anthophyllum - "clove" in allusion to the color. Sodic-ferrogedrite !     NaFe++6AlSi6Al2O22(OH)2 NAME ORIGIN: Named for its composition and the original gederite location at Heas, Gedres, France. Sodicanthophyllite     NaMg7Si8O22(OH)2 NAME ORIGIN: From its compostition and from the Latin anthophyllum - "clove" in allusion to the color. Sodicgedrite     NaMg6AlSi6Al2O22(OH)2 NAME ORIGIN: Named for its composition and the original gederite location at Heas, Gedres, France. Sodium bicarbonate *  (see Nahcolite ) See Also: GOOGLE, Athena, MinDAT, MinMax Sodium Chloride *  (see Halite ) See Also: GOOGLE, Athena, MinDAT, MinMax Sodium Citrate *  (see Earlandite ) See Also: GOOGLE, Athena, MinDAT, MinMax Sodium colbalt thiocyanate *  (see Julienite ) See Also: GOOGLE, Athena, MinDAT, MinMax Sodium Fluoride *  (see Villiaumite ) See Also: GOOGLE, Athena, MinDAT, MinMax Sodium hydromica *  (see Brammallite ) See Also: GOOGLE, Athena, MinDAT, MinMax Sodium illite *  (see Brammallite ) See Also: GOOGLE, Athena, MinDAT, MinMax Sodium meta-autunite !     Na2(UO2)2(PO4)2 • 6-8(H2O) NAME ORIGIN: Named after sodium autunite with the loss of hydration water. Sodium phlogopite *  (see Aspidolite ) See Also: GOOGLE, Athena, MinDAT, MinMax Sodium-alum     NaAl(SO4)2 • 12(H2O) Sodium-anthophyllite *  (see Sodicanthophyllite ) See Also: GOOGLE, Athena, MinDAT, MinMax Sodium-autunite     Na2(UO2)2(PO4)2 • 8(H2O) NAME ORIGIN: Named after autunite and the composition containing sodium. Sodium-betpakdalite     (Na,Ca)3Fe+++2(As2Mo6O28) • 15(H2O) NAME ORIGIN: Named for the chemistry and similarity to betpakdalite. Sodium-boltwoodite     (H3O)(Na,K)(UO2)SiO4 • (H2O) Sodium-gedrite *  (see Sodicgedrite ) See Also: GOOGLE, Athena, MinDAT, MinMax Sodium-Komarovite *  (see Na-komarovite ) See Also: GOOGLE, Athena, MinDAT, MinMax Sodium-pharmacosiderite     (Na,K)2Fe+++4(AsO4)3(OH)5 • 7(H2O) NAME ORIGIN: Named for the sodium in the composition and its relationship to pharmacosiderite. Sodium-uranospinite     (Na2,Ca)(UO2)2(AsO4)2 • 5(H2O) Sodium-zippeite     Na4(UO2)6(SO4)3(OH)10 • 4(H2O) NAME ORIGIN: Named for its composition and for Franz Xaver Maxmillian Zippe (1791-1863), Austrian mineralogist. Sodiumdachiardite - renamed Dachiardite-Na *  (see Dachiardite-Na ) See Also: GOOGLE, Athena, MinDAT, MinMax Sodiumphlogopite *  (see Aspidolite ) See Also: GOOGLE, Athena, MinDAT, MinMax Sodiumphlogopite *  (see Wonesite ) See Also: GOOGLE, Athena, MinDAT, MinMax Soehngeite *  (see Sohngeite ) See Also: GOOGLE, Athena, MinDAT, MinMax Sofiite *  (see Sophiite ) See Also: GOOGLE, Athena, MinDAT, MinMax Sogdianite     (K,Na)2(Li,Fe+++,Al)3ZrSi12O30 Sohngeite     Ga(OH)3 Sokolovaite !     CsLi2AlSi4O10F2 NAME ORIGIN: Commission on New Minerals and Mineral Names (CNMMN) Solongoite     Ca2B3O4(OH)4Cl Sonolite     Mn9(SiO4)4(OH,F)2 Sonoraite     Fe+++Te++++O3(OH) • (H2O) NAME ORIGIN: Named for the locality. LOCALITY: Moctezuma mine, Moctezuma, Sonora, Mexico. Sopcheite     Ag4Pd3Te4 NAME ORIGIN: Named for the locality. LOCALITY: Sopcha massif, Monchegorsk pluton, Kola, Russia. Sophiite     Zn2(SeO3)Cl2 NAME ORIGIN: Named for Sophia Ivanovna Noboko (1909-), Russian volcanoloist and mineralogist, a leading investigator of the Kamchatka volcanos. Sorbyite     Pb19(Sb,As)20S49 NAME ORIGIN: Named for Henry Clifton Sorby (1826-1908), English chemist and the founder of metallography. Sorensenite     Na4SnBe2Si6O18 • 2(H2O) NAME ORIGIN: Named for Henning Sorensen (1926-), emeritus professor, Hakkaido University, Sapporo. Sorosite !     Cu(Sn,Sb) NAME ORIGIN: Named after George Soros (1930-), well-known American financier, in recognition of his important support to science. Sosedkoite     (K,Na)5Al2(Ta,Nb)22O60 NAME ORIGIN: Named for A. F. Sosedko (1901-1957), Russian mineralogist. Soucekite     PbCuBi(S,Se)3 NAME ORIGIN: Named for Frantisek Soucek, Department of Mineralogy, Charles University, Prague, Czechoslovakia. Souesite *  (see Awaruite ) See Also: GOOGLE, Athena, MinDAT, MinMax Soufre *  (see Sulfur ) See Also: GOOGLE, Athena, MinDAT, MinMax Souzalite     (Mg,Fe++)3(Al,Fe+++)4(PO4)4(OH)6 • 2(H2O) NAME ORIGIN: Named for J. A. De Souza (1896-1961), director of Departamento Nacional de Producao Minera, Brazil. Spadaite     MgSiO2(OH)2 • (H2O) (?) Spangolite     Cu6Al(SO4)(OH)12Cl • 3(H2O) NAME ORIGIN: Named after Norman Spang (1889-1954), American mineral collector, USA. Spathose iron *  (see Siderite ) See Also: GOOGLE, Athena, MinDAT, MinMax Spectrolite *  (see Labradorite ) See Also: GOOGLE, Athena, MinDAT, MinMax Specularite *  (see Hematite ) See Also: GOOGLE, Athena, MinDAT, MinMax Spenceite *  (see Tritomite-(Y) ) See Also: GOOGLE, Athena, MinDAT, MinMax Spencerite     Zn4(PO4)2(OH)2 • 3(H2O) Sperrylite     PtAs2 NAME ORIGIN: Named after its discoverer, the American chemist, Francis L. Sperry of Tallmadge, Ohio, USA.. Spertiniite     Cu(OH)2 Spessartine     Mn++3Al2(SiO4)3 NAME ORIGIN: Named after its locality. LOCALITY: Aschaffenburg, Spessart Mountains, Bavaria, Germany Spessartite *  (see Spessartine ) See Also: GOOGLE, Athena, MinDAT, MinMax Sphaerobertrandite     Be3SiO4(OH)2 NAME ORIGIN: The name alludes to the typical spherulitic morphology and the similarity to bertrandite in the main chemical constituents. Sphaerobismoite     Bi2O3 NAME ORIGIN: For the form of the aggregates and the composition. Sphaerocobaltite     CoCO3 NAME ORIGIN: Named for the composition and form. Sphalerite     (Zn,Fe)S NAME ORIGIN: From the Greek sphaleros - "misleading." Sphene *  (see Titanite ) See Also: GOOGLE, Athena, MinDAT, MinMax Spheniscidite     (NH4,K)(Fe+++,Al)2(PO4)2(OH) • 2(H2O) NAME ORIGIN: Named for "Sphenisciformes," the Latin order name or penguins. Spinel     MgAl2O4 NAME ORIGIN: Of uncertain origin, possibly derived from Latin, spina, for "thorn" in allusion to sharply-pointed crystals. Spionkopite     Cu1.4S NAME ORIGIN: Named for the locality. LOCALITY: Spionkop Creek and Yarrow Creek areas of southwestern Alberta, Canada. Spiroffite     (Mn,Zn)2Te3O8 NAME ORIGIN: Named for Kiril Spiroff (1901-1981), Bulgarian-American economic geologist, Michigan College of Mining and Technology. Spodiophyllite ?     (Na,K)4(Mg,Fe++)3(Fe+++,Al)2(Si8O24) Spodiosite ?     Ca2(PO4)F NAME ORIGIN: Named in 1872 from the Greek for "ash gray", in allusion to the color. Spodumene     LiAlSi2O6 NAME ORIGIN: Spodumene is from the Greek, spodoumenos, "burnt to ash," alluding to the ashy color of early specimens. Kunzite is named after the American gem expert, G. F. Kunz (1856-1932). Hiddenit Spriggite !     Pb3[(UO2)6O8(OH)2](H2O)x; x ~ 3 NAME ORIGIN: Named for Reginald Claude Sprigg (1919-1994), South Australian Geological Survey. Springcreekite !     BaV+++3(PO4)2(OH,H2O)6 NAME ORIGIN: Named after the locality. LOCALITY: The dumps of the Spring Creek copper mine near Wilminton, Southern Flinders Ranges, South Australia. Spurrite     Ca5(SiO4)2(CO3) Squawcreekite ?     (Fe+++,Sb+++++,W++++++)O4 • (H2O) NAME ORIGIN: Named in 1991after its locality. LOCALITY: Type locality is Squaw Creek, Catron County, New Mexico. Squawcreekite *  (see Tripuhyite ) See Also: GOOGLE, Athena, MinDAT, MinMax Srbianite *  (see IMA1995-020a ) See Also: GOOGLE, Athena, MinDAT, MinMax Srebrodolskite     Ca2Fe+++2O5 Srilankite     (Ti,Zr)O2 NAME ORIGIN: Named for the locality. LOCALITY: Rakwana mine, Sabaragamuva, Sri Lanka. Stalderite     TlCu(Zn,Fe,Hg)2As2S6 NAME ORIGIN: For Prof. Dr. Hans A. Stalder (1925-) of the Natural History Museum, Berne, Switzerland. Stanekite !     Fe+++(Mn,Fe++,Mg)(PO4)O NAME ORIGIN: Named after Josef Stanek (1928-1995), Professor of Mineralogy, Masarykov University, Brno, Czech Republic, a specialist in phosphate mineralogy. Stanfieldite     Ca4(Mg,Fe++,Mn)5(PO4)6 NAME ORIGIN: Named for Stanley Field (1875-1964), former Chairman of the Board of Turstees of the Field Museum of Natural History, Chicago, Illinois, USA. Stanleyite     (V++++O)SO4 • 6(H2O) NAME ORIGIN: Named for Henry Morton Stanley (1841-1904), British journalist and explorer ("Dr. Livinston I presume?") Stannite     Cu2FeSnS4 NAME ORIGIN: From the Latin stannum - "tin." Stannoidite     Cu8Fe3Sn2S12 NAME ORIGIN: Named for its similarity to stannite. Stannomicrolite     (Sn++,Fe++,Mn++)(Ta,Nb,Sn++++)2(O,OH)7 NAME ORIGIN: Named for tin (STANNum), in the formula and membership in the microlite subgroup of the pyrochlore group. Stannopalladinite     (Pd,Cu)3Sn2 (?) NAME ORIGIN: Named for the composition. Staringite-mixture with cassiderite *  (see Ferrotapiolite ) See Also: GOOGLE, Athena, MinDAT, MinMax Staringite-mixture with ferrotapiolite *  (see Cassiterite ) See Also: GOOGLE, Athena, MinDAT, MinMax Starkeyite     MgSO4 • 4(H2O) Staurolite     (Fe++,Mg)2Al9(Si,Al)4O20(O,OH)4 NAME ORIGIN: From the Greek, stauros - "cross" and lithos - "stone" in allusion to the common cross shaped twins of the crystals. Staurotide *  (see Staurolite ) See Also: GOOGLE, Athena, MinDAT, MinMax Steacyite     K1-x(Ca,Na)2ThSi8O20 (x=0.2 to 0.4) NAME ORIGIN: Named for Harold R. Steacy, formerly Curator of the National Mineral Collection, Geological Survey of Canada, Ottawa, Canada. Steatite - massive *  (see Talc ) See Also: GOOGLE, Athena, MinDAT, MinMax Steenstrupine-(Ce)     Na14Ce6Mn++Mn+++Fe++2(Zr,Th)(Si6O18)2(PO4)7 • 3(H2O) NAME ORIGIN: Name for Knud Hohannes Vogelius Steenstrup (1842-1913), geologist, Copenhagen, Denmark. Steigerite     AlVO4 • 3(H2O) NAME ORIGIN: Named for George Steiger (1869-1944), Chief chemist, U. S. Gological Survey. Stellerite     CaAl2Si7O18 • 7(H2O) NAME ORIGIN: Named after Georg Wilhelm Steller (1709-1746), German explorer, zoologist and the discoverer of the Komandor Islands. Stenhuggarite     CaFe+++(As+++O2)(As+++Sb+++O5) NAME ORIGIN: Named from the Swedish for "stonemason", in honor of Brian Harold Mason (1917-), U.S. National Museum, Washington, D.C., USA for his Langban deposit studies. Stenonite     (Sr,Ba,Na)2Al(CO3)F5 Stepanovite     NaMgFe+++(C2O4)3 • 8-9(H2O) NAME ORIGIN: Namde for Pavel Ivanovich Stepanov (1880-1047), Russian geologist. Stephanite     Ag5SbS4 NAME ORIGIN: Named after Archduke Victor Stephan (1817-1867). Former Austrian Mining Director and engineer, Stercorite     H(NH4)Na(PO4) • 4(H2O) Sterlinghillite     Mn++3(AsO4)2 • 3(H2O) NAME ORIGIN: Named for the locality. LOCALITY: Sterling Hill Mine, Ogdensburg, New Jersey, USA. Sternbergite     AgFe2S3 NAME ORIGIN: Named for Count Casper Maria Sternberg (1761-1838), of the National Museum in Prague. Sterrettite *  (see Kolbeckite ) See Also: GOOGLE, Athena, MinDAT, MinMax Sterryite     Ag2Pb10(Sb,As)12S29 NAME ORIGIN: Named for T. Sterry Hunt (1826-1892), first mineralogist with the Geological Survey of Canada. Stetefeldtite     Ag2Sb2O6(O,OH) NAME ORIGIN: Named for Carl A. Stetefeld (1838-1896), German-American mining engineer. Stevensite     (Ca0.5,Na)0.33(Mg,Fe++)3Si4O10(OH)2 • n(H2O) NAME ORIGIN: Named for E. A. Stevens, founder of Stevens Institute of Technology, Hoboken, New Jersey, USA. Stewartite     Mn++Fe+++2(PO4)2(OH)2 • 8(H2O) NAME ORIGIN: Named after it's locality. LOCALITY: Stuart mine, Queen Mountains, Pala, San Diego Co., California. Stibarsen     SbAs NAME ORIGIN: Named for its composition of antimony (Latin=stibium) and arsenic. Stibiconite     Sb+++Sb+++++2O6(OH) NAME ORIGIN: From the Latin stibium - "antimony" and the Greek konis - "powder." Stibiobetafite     (Sb+++,Ca)2(Ti,Nb,Ta)2(O,OH)7 NAME ORIGIN: Named for antimony (STIBium) in its composition and membership in the betafite subgroup of the pyrochlore group. Stibiocolumbite     SbNbO4 Stibiocolusite     Cu13V(Sb,As,Sn)3S16 NAME ORIGIN: Named in 1992 for its relationship to colusite. Stibioenargite *     Cu3(Sb,As)S4 Stibiomicrolite     (Sb,Ca,Na)2(Ta,Nb)2(O,OH)7 NAME ORIGIN: Named for antimony (STIBIum) in the composition and membership in the microlite subgroup of the pyrochlore group. Stibiopalladinite     Pd5Sb2 NAME ORIGIN: Named for the composition. Stibiotantalite     SbTaO4 Stibium *  (see Stibnite ) See Also: GOOGLE, Athena, MinDAT, MinMax Stibivanite     Sb+++2V++++O5 Stibnite     Sb2S3 NAME ORIGIN: From the Greek, stimmi or stibi, "antimony," thence to the Latin, stibium. Also from the Greek anthemon, "flower" in allusion to the form of crystal druses. Stichtite     Mg6Cr2(CO3)(OH)16 • 4(H2O) NAME ORIGIN: Named after Robert Sticht, director of a mining corporation. Stilbite *  (see Stilbite-Ca ) See Also: GOOGLE, Athena, MinDAT, MinMax Stilbite-Ca     NaCa4[Al8Si28O72] • n(H2O) (n=28-32) NAME ORIGIN: From the Greek stilbe - "luster" in allusion to the pearly to vitreous luster. Ca modifier added by zeolite committee. Stilbite-Na !     Na3Ca3[Al8Si28O72] • n(H2O) (n=28-32) NAME ORIGIN: From the Greek stilbe - "luster" in allusion to the pearly to vitreous luster. The Na-dominant member of the stilbite series. Stilleite     ZnSe NAME ORIGIN: Named for Hans Stille (1876-1966), distinguished German geologist. Stillwaterite     Pd8As3 NAME ORIGIN: Named after its locality. LOCALITY: Stillwater Complex, Nye County, Montana, USA. Stillwellite-(Ce)     (Ce,La,Ca)BSiO5 NAME ORIGIN: Named for Frank Leslie Stillwell (1888-1963), Australian ore mineralogist and the dominant Ce content. Stilpnomelane     K(Fe++,Mg,Fe+++)8(Si,Al)12(O,OH)27 • n(H2O) NAME ORIGIN: From the Greek for "shining" and "black", in allusion to its luster and color. Stishovite     SiO2 Stistaite     SnSb NAME ORIGIN: Named for the composition of stibium (antimony) and stannum (tin). Stoiberite     Cu5V+++++2O10 Stokesite     CaSnSi3O9 • 2(H2O) Stolzite     PbWO4 NAME ORIGIN: Named after Joseph Alexis Stolz (1803-1896) from Teplice, Czechoslovakia. Stoppaniite !     (Fe,Al,Mg)4(Na,[ ])2[Be6Si12O36] • 2(H2O) NAME ORIGIN: Named for the mineral collector Francesco Saverio Stoppani (1947-). Stottite     Fe++Ge(OH)6 Straczekite     (Ca,K,Ba)2V8O20 • 3(H2O) NAME ORIGIN: Named for John A. Straczed (1914-), U. S. Geologist. Straetlingite *  (see Stratlingite ) See Also: GOOGLE, Athena, MinDAT, MinMax Strakhovite     NaBa3(Mn++,Mn+++)4Si6O19(OH)3 NAME ORIGIN: For N. M Strakhov (1900-1978), for his contributions to the study of sedimentary ore deposits and phosphorites. Stranskiite     Zn2Cu++(AsO4)2 Strashimirite     Cu8(AsO4)4(OH)4 • 5(H2O) NAME ORIGIN: Named after Strashimir Dimitrov, Bulgarian petrographer. Stratlingite     Ca2Al[(OH)6AlSiO2-3(OH)4-3] • 2,5(H2O) Stratopeite *  (see Neotocite ) See Also: GOOGLE, Athena, MinDAT, MinMax Strelkinite     Na2(UO2)2V2O8 • 6(H2O) NAME ORIGIN: Named for M. F. Strelkin (1905-1965), mineralogist interested in uranium ores, Russia. Strengite     Fe+++PO4 • 2(H2O) NAME ORIGIN: Named after Johann August Streng (1830-1897), German mineralogist, University of Giessen, Germany. Stringhamite     CaCuSiO4 • 2(H2O) NAME ORIGIN: Named for Bronson F. Stringham (1907-1968), University of Utah. Stromeyerite     AgCuS NAME ORIGIN: Named after Friedrich Stromeyer (1776-1835), German mineralogiist and chemist, Stronalsite     SrNa2Al4Si4O16 NAME ORIGIN: Named for its composition (Strontium, Na, Al, Si). Strontianite     SrCO3 NAME ORIGIN: Named after its containing the element Strontium. Strontio-orthojoaquinite     (Na,Fe++)2Ba2Sr2Ti2[Si4O12]2(O,OH)2 • (H2O) NAME ORIGIN: Named after its composition, orthorhombic crystal structure, and the relationship to joaquinite (named for Joaquin Ridge, Diablo Range, California, USA). Strontioborite     SrB8O11(OH)4 Strontiochevkinite     (Sr,REE)4Fe(Ti,Zr)2Ti2Si4O22 NAME ORIGIN: Named as the Sr analog of chevkinite. Strontiodresserite     (Sr,Ca)Al2(CO3)2(OH)4 • (H2O) Strontioginorite     (Sr,Ca)2B14O23 • 8(H2O) Strontiojoaquinite     (Na,Fe++)2Ba2Sr2Ti2[Si4O12]2(O,OH)2 • (H2O) NAME ORIGIN: Named after its composition and the relationship to joaquinite (named for Joaquin Ridge, Diablo Range, California, USA). Strontiomelane !     SrMn++++6Mn+++2O16 NAME ORIGIN: The name reflects the presence of strontium and the black color, melanos in Greek. Strontiopiemontite     (Ca,Mn++)(Sr,Ca)Mn+++(Al,Mn+++,Fe+++)2(SiO4)(Si2O7)O(OH) NAME ORIGIN: From its strontium content and similarity to piemontite. Strontiopyrochlore *     Sr2Nb2(O,OH)7 Strontiowhitlockite     Sr7(Mg,Ca)3(PO4)6[PO3(OH)] NAME ORIGIN: Named as the stronium analog of whitlockite. Strontium Hilgardite *  (see Kurgantaite ) See Also: GOOGLE, Athena, MinDAT, MinMax Strontium-apatite     (Sr,Ca)5(PO4)3(F,OH) NAME ORIGIN: Named for the composition and resemblance to the apatites. Strontiumbrewsterite *  (see Brewsterite-Sr ) See Also: GOOGLE, Athena, MinDAT, MinMax Strueverite *  (see Struverite ) See Also: GOOGLE, Athena, MinDAT, MinMax Strunzite     Mn++Fe+++2(PO4)2(OH)2 • 6(H2O) NAME ORIGIN: Named for Hugo Strunz (1910-), mineralogist, Berlin, who authored the Strunz system of mineral classification. Struverite     (Ti,Ta,Fe+++)O2 NAME ORIGIN: Named for Giovanni Struver (1842-1915), mineralogist, University of Rome, Italy. Struvite     (NH4)MgPO4 • 6(H2O) NAME ORIGIN: Named after the Russian diplomat, H. G. von Struve (1772-1851). Struvite-K !     KMg(PO4) • 6(H2O) NAME ORIGIN: Commission on New Minerals and Mineral Names (CNMMN) Studenitsite     NaCa2[B9O14(OH)4] • 2(H2O) NAME ORIGIN: For the Serbian cloister Studenitsa near the occurrence. Studtite     [(UO2)O2(H2O)2](H2O)2 NAME ORIGIN: Named for Franz Edward Studt, Belgian prospector and geologist, author of the first geological map (1913) of Shava, Zaire. Stuetzite *  (see Stutzite ) See Also: GOOGLE, Athena, MinDAT, MinMax Stumpflite     Pt(Sb,Bi) NAME ORIGIN: Named for Eugen Friedrich Stumpfl (1931-), Mineralogist, Mining University Leoben, Austria. Sturmanite     Ca6(Fe+++,Al,Mn++)2(SO4)2[B(OH)4](OH)12 • 25(H2O) NAME ORIGIN: Named for B. Darko Sturman (1937-), Canadian mineralogist, Royal Ontario Museum, Toronto, Canada. Sturtite *     (Fe3+)(Mn2+,Ca,Mg)Si4O10(OH)3 • 10(H2O) NAME ORIGIN: Named for C. Sturt. Sturtite *  (see Hisingerite ) See Also: GOOGLE, Athena, MinDAT, MinMax Sturtite *  (see Neotocite ) See Also: GOOGLE, Athena, MinDAT, MinMax Stutzite     Ag5-xTe3,(x=0.24-0.36) NAME ORIGIN: Named for Andreas Stutz (1747-1806), Austrian mineralogist. Stypticite *  (see Fibroferrite ) See Also: GOOGLE, Athena, MinDAT, MinMax Suanite     Mg2B2O5 Succinite *  (see Amber ) See Also: GOOGLE, Athena, MinDAT, MinMax Sudburyite     (Pd,Ni)Sb NAME ORIGIN: Name for the locality. LOCALITY: Copper Cliff South mine and Frood mine, Sudbury district, Ontario, Canada Sudoite     Mg2(Al,Fe+++)3Si3AlO10(OH)8 NAME ORIGIN: Named for Toshio Sudo (1911-), University of Tokyo, Japan. Sudovikovite !     PtSe2 NAME ORIGIN: For N. G. Sudovikov (1903-1966), noted Russian petrologist. Suessite     (Fe,Ni)3Si NAME ORIGIN: Named for Hans E. Suess (1909-1957), U.S. Newspaper ppublisher and researcher on iron meteorites. Sugilite     KNa2(Fe++,Mn++,Al)2Li3Si12O30 NAME ORIGIN: Named for Ken-ichi Sugi (1901-1948), Japanexe petrologist Sukulaite *  (see Stannomicrolite ) See Also: GOOGLE, Athena, MinDAT, MinMax Sulfatic cancrinite *  (see Vishnevite ) See Also: GOOGLE, Athena, MinDAT, MinMax Sulfoborite     Mg3B2(SO4)(OH)8(OH,F)2 Sulfur     S8 NAME ORIGIN: Sanskrit, sulvere = "sulfur;" Latin sulphurium. Sulphohalite     Na6(SO4)2FCl NAME ORIGIN: Named after its composition of sulfate plus NaCl (halite). . Sulphotsumoite     Bi3Te2S NAME ORIGIN: Named in allusion to the chemical relationship with tsumoite. Sulrhodite *  (see Bowieite ) See Also: GOOGLE, Athena, MinDAT, MinMax Sulvanite     Cu3VS4 NAME ORIGIN: Named after sulfur (sul) and vanadium (van) in the chemical formula. Sundiusite     Pb10(SO4)Cl2O8 NAME ORIGIN: Named for Nils Sundius (1886-1976), Swedish mineralogist. Sunstone *  (see Oligoclase ) See Also: GOOGLE, Athena, MinDAT, MinMax Suolunite     Ca2Si2O5(OH)2 • (H2O) Suredaite !     PbSnS3 NAME ORIGIN: The name honors R. J. Sureda Leston, head of the Department of Mineralogy end Economic Geology, University of Salta, Argentina. Surinamite     (Mg,Fe++)3Al4BeSi3O16 Surite     (Pb,Cu)2-3(CO3)1.5-2(OH,F)0.5-1[(Al,Fe+++)2(Si,Al)4O10(OH)2] • n(H2O) NAME ORIGIN: Named for the locality. LOCALITY: Cruz del Sur mine, Rio Negro Province, Argentina. Surkhobite !     (Ca,Na)(Ba,K)(Fe++,Mn)4Ti2(Si4O14)O2(F,OH,O)3 NAME ORIGIN: Named for the locality. LOCALITY: Serkhob River Basin, Dara-i-Pioz massif, Central Tajikistan. Sursassite     Mn++2Al3(SiO4)(Si2O7)(OH)3 Susannite     Pb4(SO4)(CO3)2(OH)2 Sussexite     MnBO2(OH) Suzukiite     BaVO(SiO3)2 NAME ORIGIN: Named for Jan Suzuki (1996-1970), mineralogist and petrologist at Hokkaido University, Sapporo. Svabite     Ca5(AsO4)3F NAME ORIGIN: Named for Anton Svab (1703-1768), Swedish mining official. Svanbergite     SrAl3(PO4)(SO4)(OH)6 NAME ORIGIN: Named for Lars F. Svanberg (1805-1878), Swedish chemist. Sveite     KAl7(NO3)4Cl2(OH)16 • 8(H2O) NAME ORIGIN: Named for Sociedad Venezolana de Espeleolgia. Svenekite !     Ca(H2AsO4)2 NAME ORIGIN: Commission on New Minerals and Mineral Names (CNMMN) Sverigeite     NaMnMgSn++++Be2Si3O12(OH) Svetlozarite - twinned *  (see Dachiardite-Ca ) See Also: GOOGLE, Athena, MinDAT, MinMax Svetlozarite - twinned *  (see Dachiardite-Na ) See Also: GOOGLE, Athena, MinDAT, MinMax Svyatoslavite     CaAl2Si2O8 Svyazhinite     MgAl(SO4)2F • 14(H2O) NAME ORIGIN: Named for Nikolai Vasilevich Svyazhin (1927-1967), Russian mineralogist. Swaknoite     (NH4)2Ca(HPO4)2 • (H2O) NAME ORIGIN: Named for the acronym for the Siud Wes Aftica Karst Navorsing Organisasie (SWANKNO), a speleological association in Namibia. Swamboite     U++++++H6(UO2)6(SiO4)6 • 30(H2O) NAME ORIGIN: Named for the locality. LOCALITY: Swambo, Shaba, Zaire. Swartzite     CaMg(UO2)(CO3)3 • 12(H2O) NAME ORIGIN: Named for Charles K. Swartz (1861-1949), geologist and mineralogist, John Hopkins University. Swedenborgite     NaBe4SbO7 Sweetite     Zn(OH)2 Swelling chlorite *  (see Corrensite ) See Also: GOOGLE, Athena, MinDAT, MinMax Swinefordite     (Li,Ca0.5,Na)0.72(Li,Al,Mg)2.66(Si,Al)4O10(OH,F)2 • 2(H2O) NAME ORIGIN: Named for Ada Swineford (1917-1993), clay mineralogist and professor of geology at Western Washington State College, Bellingham, Washinton, USA. Switzerite     (Mn++,Fe++)3(PO4)2 • 7(H2O) NAME ORIGIN: Named for George Switzer, retired chairman of the Dept. of Mineral Sciences, Smithsonian Sylvanite     (Au,Ag)2Te4 NAME ORIGIN: Named after TranSYLVANia, for the part of Romainia where it was first found.. Sylvite     KCl NAME ORIGIN: Named after the Dutch chemist, Sylvia de la Boe (1614-1672). Symesite !     Pb10(SO4)O7Cl4 • (H2O) NAME ORIGIN: Named for Robert Symes (1937-) of the Department of Mineralogy, the Natural History Museum (London) in recognition of his studies of the ore deposits of South-West England. Symplesite     Fe++3(AsO4)2 • 8(H2O) NAME ORIGIN: From the Greek, syn, "together" and plesiazein, "to associate." Synadelphite     (Mn,Mg,Ca,Pb)9(As+++O3)(As+++++O4)2(OH)9 • 2(H2O) (?) NAME ORIGIN: From the Greek for "with" and "brother," as it is commonly associated with several other chemically similar minerals. Synchysite-(Ce)     CaCe(CO3)2F NAME ORIGIN: Named for "confounding" having been mistaken for parisite and for the Ce end-member of the series. Synchysite-(Nd)     CaNd(CO3)2F NAME ORIGIN: Named for "confounding" having been mistaken for parisite and for the Nd end-member of the series. Synchysite-(Y)     CaY(CO3)2F NAME ORIGIN: Named for "confounding" having been mistaken for parisite and for the Y end-member of the series. Syngenite     K2Ca(SO4)2 • (H2O) Szaibelyite     MgBO2(OH) Szenicsite     Cu3MoO4(OH)4 NAME ORIGIN: Named after its finders, Terry and Marissa Szenics. Szmikite     MnSO4 • (H2O) Szomolnokite     Fe++SO4 • (H2O) Sztrokayite *     Bi3TeS2 Szymanskiite     Hg+16(Ni,Mg)6(H3O)8(CO3)12 • 3(H2O)

Index A Minerals Index B Minerals Index C Minerals Index D Minerals Index E Minerals Index F Minerals Index G Minerals Index H Minerals Index I Minerals Index J Minerals Index K Minerals Index L Minerals Index M Minerals Index N Minerals Index O Minerals Index P Minerals Index Q Minerals Index R Minerals Index S Minerals Index T Minerals Index U Minerals Index V Minerals Index W Minerals Index X Minerals Index Y Minerals Index Z Minerals All LEGEND Minerals identified with this icon have a sound file, courtesy of The Photo-Atlas of Minerals, which gives the pronunciation of the mineral name. Minerals identified with this icon have an image or picture in the database which may be viewed. Minerals identified with this icon have a Java crystal form, created with the program JCrystal, which can be manipulated and rotated. This icon links the mineral to the locality-rich information contained in Mindat.org. Minerals identified with this icon are radioactive. - Detectable with very sensitive instruments, - very mild, - weak, - strong, - very strong, - dangerous. * Mineral Name is Not IMA Approved. ! New Dana Classification Number Has Been Changed or Added. ? IMA Discredited Mineral Species Name.

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