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M Index of Mineral Species

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

Macaulayite     (Fe+++,Al)24Si4O43(OH)2 NAME ORIGIN: Named for the Macaulay Institute for Soil Research. Macdonaldite     BaCa4[Si16O36(OH)2] • 10(H2O) NAME ORIGIN: Named for Grodon Andrew Macdonald (1911-1978), American volcanologist, University of Hawaii. Macedonite     PbTiO3 NAME ORIGIN: Named for the locality. LOCALITY: Crni Kamen, near Prilep, Macedonia. Macfallite     Ca2(Mn+++,Al)3(SiO4)(Si2O7)(OH)3 NAME ORIGIN: Named for Russell P. MacFall, a dedicated amateur mineralogist. Machatschkiite     Ca6(AsO4)(AsO3OH)3(PO4,SO4) • 15(H2O) NAME ORIGIN: Named for Felix Karl Ludwig Machatschki (1895-1970), Professor of Mineralogy, University of Vienna, Austria. Mackayite     Fe+++Te2O5(OH) NAME ORIGIN: Named for John William Mackay (1831-1902), mine operator, Comstock Lode, and benefactor of the Mackay School of Mines, University of Nevada. Mackinawite     (Fe,Ni)S0.9 NAME ORIGIN: Named for the locality. LOCALITY: Mackinaw mine, Snohomish County, Washington, USA. Mackintoshite *  (see Thorogummite ) See Also: GOOGLE, Athena, MinDAT, MinMax Macphersonite     Pb4(SO4)(CO3)2(OH)2 NAME ORIGIN: Named after Harry Gordon Macpherson (1925-), mineralogist at the Royal Scottish Museum, Edinburgh, Scotland. Macquartite     Pb3Cu(CrO4)(SiO3)(OH)4 • 2(H2O) NAME ORIGIN: Named for Louis Charles Henri Macquart (1745-1803), French chemist who brought to France from Russia the samples of crocoite in which the element chromium was discovered. Madocite     Pb17(Sb,As)16S41 NAME ORIGIN: Named for the locality. LOCALITY: Madoc, Ontario, Canada. Maekinenite *  (see Makinenite ) See Also: GOOGLE, Athena, MinDAT, MinMax Magadiite     NaSi7O13(OH)3 • 4(H2O) NAME ORIGIN: Named for the locality. LOCALITY: Lake Magadi, Olduvai Gorge, Kenya. Magbasite     KBa(Al,Sc)(Mg,Fe++)6Si6O20F2 NAME ORIGIN: Named after its composition of Mg, Ba, and Si. Maghagendorfite     NaMgMn(Fe++,Fe+++)2(PO4)3 NAME ORIGIN: Named as MAGnesium hagendorfite. Maghemite     gamma-Fe+++2O3 NAME ORIGIN: From MAGnetite and HEMatite, in allusion to the mineral's magnetism and composition. Magnesia Alum *  (see Pickeringite ) See Also: GOOGLE, Athena, MinDAT, MinMax Magnesio-aluminokatophorite *  (see Magnesiokatophorite ) See Also: GOOGLE, Athena, MinDAT, MinMax Magnesio-arfvedsonite     NaNa2(Mg4Fe++)Si8O22(OH)2 Magnesio-axinite     Ca2MgAl2BO3Si4O12(OH) NAME ORIGIN: From the Greek acine - "axe" in allusion to the acute shape of typical crystals and the Greek, "Magnesia" a district in Thessaly in reference to the Mg in the chemical formula. Magnesioaluminotaramite *  (see Magnesiotaramite ) See Also: GOOGLE, Athena, MinDAT, MinMax Magnesioanthophyllite ?     (Mg,Fe++)7Si8O22(OH)2 NAME ORIGIN: From its compostition and from the Latin anthophyllum - "clove" in allusion to the color. Magnesioaubertite     (Mg,Cu)Al(SO4)2Cl • 14(H2O) Magnesiocarpholite     MgAl2Si2O6(OH)4 NAME ORIGIN: Named as the Mg-dominant member of the carpholite series. Magnesiochloritoid     MgAl2SiO5(OH)2 Magnesiochromite     MgCr2O4 Magnesioclinoholmquistite ?     Li2(Mg,Fe++)3Al2Si8O22(OH)2 NAME ORIGIN: Named for its composition, monoclinic crystal structure, and relationship with holmsquisite. Discredited as clinoholmquistite (1997). Clinohomsquisite discredited (2005). Magnesiocolumbite     (Mg,Fe++,Mn)(Nb,Ta)2O6 NAME ORIGIN: Named for the dominent MAGNESIum and its relationship to ferrocolumbite (formerly columbite). Magnesiocopiapite     MgFe+++4(SO4)6(OH)2 • 20(H2O) Magnesiocoulsonite     MgV+++2O4 NAME ORIGIN: Named for its relationship to coulsonite. Magnesiocummingtonite     (Mg,Fe++)7Si8O22(OH)2 Magnesiodumortierite     (Mg,Ti,[ ])<1(Al,Mg)2Al4Si3O18-y(OH)yB y=2-3 NAME ORIGIN: For its containing magnesium and the relationship to dumortierite. Magnesioferrikatophorite     Na2Ca(Mg,Fe++)4Fe+++Si7AlO22(OH)2 NAME ORIGIN: Named for its composition and from the Greek for "carrying down", in allusion to its volcanic origin. Magnesioferritaramite *  (see Ferri-magnesiotaramite ) See Also: GOOGLE, Athena, MinDAT, MinMax Magnesioferrite     MgFe+++2O4 NAME ORIGIN: Named after its chemical composition of magnesium and ferric iron. Magnesiofoitite !     [ ](Mg2Al)Al6(Si6O18)(BO3)3(OH)4 NAME ORIGIN: The name recalls its composition and relationship to foitite. Magnesiogedrite ?     (Mg,Fe++)5Al2Si6Al2O22(OH)2 NAME ORIGIN: Named for its composition and the original gederite location at Heas Valley, Gedres, France. IMA amphibole commission recommends abandoning this species name. Magnesiohastingsite     NaCa2(Mg4Fe+++)Si6Al2O22(OH)2 Magnesiohogbomite-2N2S     (Al,Fe++,Fe+++,Mg,Ti,Zn)11O15(OH) NAME ORIGIN: Named for Arvid Gustaf Hogbom (1857-1940), Swedish geologist, University of Upplala and the crystal structure. (S=Spinel, N=Nolanite Layers). Magnesiohogbomite-2N3S     (Mg,Fe++)1.4Ti0.3Al4O8 NAME ORIGIN: Named for Arvid Gustaf Hogbom (1857-1940), Swedish geologist, University of Upplala and the crystal structure. (S=Spinel, N=Nolanite Layers). Magnesiohogbomite-6N6S     (Mg,Fe++)1.4Ti0.3Al4O8 NAME ORIGIN: Named for Arvid Gustaf Hogbom (1857-1940), Swedish geologist, University of Upplala and the crystal structure. (S=Spinel, N=Nolanite Layers). Magnesioholmquistite     Li2(Mg,Fe++)3Al2Si8O22(OH)2 NAME ORIGIN: The name reflects its composition and relationship to holmquistite.. Magnesiohornblende     Ca2[Mg4(Al,Fe+++)]Si7AlO22(OH)2 NAME ORIGIN: Named for the composition and its relationship to hornblende. Magnesiohulsite     (Mg,Fe++)2(Mg,Fe+++,Sn++++)O2(BO3) NAME ORIGIN: Named for the composition and for Alfred Hulse Brooks (1871-1924), U. S. Geologist. Magnesiokatophorite     Na(CaNa)Mg4AlSi7AlO22(OH)2 NAME ORIGIN: Named for its composition and from the Greek for "carrying down", in allusion to its volcanic origin. Magnesioludwighite *  (see Ludwigite ) See Also: GOOGLE, Athena, MinDAT, MinMax Magnesionigerite-2N1S     (Mg,Zn,Fe+++,Al)4(Sn,Fe+++)2Al10O22(OH)2 NAME ORIGIN: Named as the MAGNESIum analog of Ferronigerite. (S=Spinel, N=Nolanite Layers). Magnesionigerite-6N6S !     (Mg,Zn,Fe+++,Al)4(Sn,Fe+++)2Al10O22(OH)2 NAME ORIGIN: Named as the MAGNESIum analog of Ferronigerite. (S=Spinel, N=Nolanite Layers). Magnesioriebeckite     [ ]Na2(Mg3Fe++2)Si8O22(OH)2 NAME ORIGIN: Named for the composition and relatinship to riebeckite. Magnesiosadanagaite !     NaCa2[Mg3(Al,Fe+++)2]Si5AlO22(OH)2 NAME ORIGIN: Named as a low-K analog of potassic-magnesiosadanagaite (renamed from original magnesiosadanagaite-IMA1982-102). Magnesiosadanagaite - 1982 *  (see Potassic-magnesiosadanagaite ) See Also: GOOGLE, Athena, MinDAT, MinMax Magnesiostaurolite !     [ ]4Mg4Al16(Al,[ ])2Si8O40[O6,(OH)2] NAME ORIGIN: Named as the magnesium-dominant analog of staurolite. Magnesiotaaffeite-2N2S     Mg3Al8BeO16 NAME ORIGIN: Named for Count R.Taaffe of Dublin, Ireland, who discovered the mineral in 1945. (S=Spinel, N=Nolanite Layers). Magnesiotaaffeite-6N3S !     (Mg,Fe++,Zn)2Al6BeO12 NAME ORIGIN: Named for Count R.Taaffe of Dublin, Ireland, who discovered the mineral in 1945. (S=Spinel, N=Nolanite Layers). Magnesiotantalite !     (Mg,Fe)(Ta,Nb)2O6 NAME ORIGIN: Named as the magnesium-dominant member of the tantalite series. Magnesiotaramite     Na(CaNa)Mg3ALFe+++[Si6Al2O22](OH)2 NAME ORIGIN: Named after the chemical composition and the locality. LOCALITY: Wali-tarama, Mariupol, Ukraine. Magnesite     MgCO3 NAME ORIGIN: Named after its chemical composition. Magnesium Mica *  (see Phlogopite ) See Also: GOOGLE, Athena, MinDAT, MinMax Magnesium Oxalate *  (see Glushinskite ) See Also: GOOGLE, Athena, MinDAT, MinMax Magnesium Sulphate *  (see Hexahydrite ) See Also: GOOGLE, Athena, MinDAT, MinMax Magnesium Talc *  (see Talc ) See Also: GOOGLE, Athena, MinDAT, MinMax Magnesium-chlorophoenicite     (Mg,Mn)3Zn2(AsO4)(OH,O)6 Magnesium-zippeite     Mg(H2O)3.5(UO2)2(SO4)O2 NAME ORIGIN: Named for its composition and for Franz Xaver Maxmillian Zippe (1791-1863), Austrian mineralogist. Magnesiumastrophyllite     K2Na[Na(Fe++,Fe+++,Mn)Mg2]Ti2Si8O26(OH)4F NAME ORIGIN: Named for the magnesium content and relationship to astrophyllite. Magnetic iron ore *  (see Magnetite ) See Also: GOOGLE, Athena, MinDAT, MinMax Magnetic pyrites *  (see Pyrrhotite ) See Also: GOOGLE, Athena, MinDAT, MinMax Magnetite     Fe++Fe+++2O4 NAME ORIGIN: Named for Magnes, a Geek shepherd, who discovered the mineral on Mt, Ida, He noted that the nails of his shoe and the iron ferrule of his staff clung to a rock. Magnetoplumbite     Pb(Fe+++,Mn+++)12O19 NAME ORIGIN: Named for being a MAGNETic oxide of iron, manganese, and lead, "plumbum." Magniotriplite ?     (Mg,Fe++,Mn)2(PO4)F NAME ORIGIN: Named in 1951 for its relationship to triplite. Magniotriplite discredited 2003 Magniotriplite *  (see Wagnerite ) See Also: GOOGLE, Athena, MinDAT, MinMax Magnocolumbite *  (see Magnesiocolumbite ) See Also: GOOGLE, Athena, MinDAT, MinMax Magnolite     Hg+2Te++++O3 Magnussonite     Mn++5As+++3O9(OH,Cl) Mahlmoodite *  (see Malhmoodite ) See Also: GOOGLE, Athena, MinDAT, MinMax Mahnertite !     (Na,Ca)Cu++3(AsO4)2Cl • 5(H2O) NAME ORIGIN: Named after Volker Mahnert (b. 1943), zoologist, director of the Muséum d’Histoire Naturelle, Geneva, Switzerland. Maikainite !     Cu20(Fe,Cu)6Mo2Ge6S32 NAME ORIGIN: Named for the locality. LOCALITY: Maikain deposit, Kazakhstan and (2) Tsumeb deposit, Namibia. Majakite     PdNiAs NAME ORIGIN: Named for the locality. LOCALITY: Najak mine, Talnakh, Norilsk, Russia. Majorite     Mg3(Fe,Al,Si)2(SiO4)3 Makarochkinite *  (see Hogtuvaite ) See Also: GOOGLE, Athena, MinDAT, MinMax Makatite     Na2Si4O8(OH)2 • 4(H2O) NAME ORIGIN: Named from the Masai "emakat," soda, in allusion to the high sodium content. Makinenite     NiSe NAME ORIGIN: Named for Eero Makinen, Finnish geologist, adn former President of the Outokumpa Company. Makovickyite     Ag1.5Bi5.5S9 NAME ORIGIN: For Dr. Emil Makovicky, Slovak and Danish mineralogist, University of Copenhagen. Malachite     Cu2(CO3)(OH)2 NAME ORIGIN: From the Greek, malache, - "mallow" in reference to green leaf color. Malacon *  (see Zircon ) See Also: GOOGLE, Athena, MinDAT, MinMax Malanite     Cu(Pt,Ir)2S4 NAME ORIGIN: Named for the locality. LOCALITY: Malan valley, Zunhua, Hebei Province, China. Malayaite     CaSnSiO5 = CaSnOSiO4 NAME ORIGIN: Named for the locality LOCALITY: Sunsei Lah, Chenderiang, Perak, Malaysia. Maldonite     Au2Bi NAME ORIGIN: Named for the locality. LOCALITY: Nugget reef, near Maldon, Victoria, Australia. Maleevite !     BaB2Si2O8 NAME ORIGIN: Named for Mihail Naidenovitch Maleev (1940-), Bulgarian mineralogist and expert in mineral systematics. Malhmoodite     FeZr(PO4)2 • 4(H2O) NAME ORIGIN: Named after Bertha K. Malhmood, long-time secretary and administrative assistant of the Branch of Analytical Laboratories, US Geological Survey. Malinkoite !     NaBSiO4 NAME ORIGIN: Named for Svetlana V. Malinko(1927-), Russian mineralogist who specializes in B minerals. Malladrite     Na2SiF6 NAME ORIGIN: Named for Alessandro Malladra (1865-1945), Italian volcanologist, director of the Vesuvius Observatory. Mallardite     Mn++SO4 • 7(H2O) Mallestigite !     Pb3Sb+++++(SO4)(AsO4)(OH)6 • 3(H2O) NAME ORIGIN: Named after the locality. LOCALITY: Dump of a Cu-Pp-Zn mine 1 km NW of Mallestiger Mittagskogel, Finkenstein, Villach, Kärnten, Austria Mammothite     Pb6Cu4AlSb+++++O2(SO4)2Cl4(OH)16 NAME ORIGIN: Named for the locality. LOCALITY: Mammoth vein, Tiger, Arizona, USA and from Laurium, Attika, Greece. Manaksite     KNaMn++Si4O10 Manandonite     Li2Al4[(Si2AlB)O10](OH)8 NAME ORIGIN: Named after its locality. LOCALITY: Antandrokomby, near Mt. Bity on the Manandona River, Madagascar. Manasseite     Mg6Al2(CO3)(OH)16 • 4(H2O) NAME ORIGIN: Named for Ernesto Manasse (1875-1922), mineralogist of Florence, Italy. Mandarinoite     Fe+++2Se3O9 • 6(H2O) NAME ORIGIN: Named for Joseph A. Mandarino of the Royal Ontario Museum in recognition of his work on selenites. Mangan-neptunite     KNa2Li(Mn,Fe++)2Ti2Si8O24 NAME ORIGIN: Named for the composition and relationship to neptunite. Manganarsite     Mn++3As+++204(OH)4 NAME ORIGIN: Named after the composition (Manganese, Arsenic). Manganaxinite     Ca2Mn++Al2BO3Si4O12(OH) NAME ORIGIN: From the Greek acine - "axe" in allusion to the acute shape of typical crystals and the from the Latin magnes = "magnet" in reference to Mn in the chemical formula. Manganbabingtonite     Ca2(Mn,Fe++)Fe+++Si5O14(OH) NAME ORIGIN: Named for the manganese content and relation to babingtonite. Manganbelyankinite     (Mn,Ca)(Ti,Nb)5O12 • 9(H2O) NAME ORIGIN: Presumably for its MANGANese content and relationship to belyankinite. Manganberzeliite     (Ca,Na)3(Mn,Mg)2(AsO4)3 Manganblende *  (see Alabandite ) See Also: GOOGLE, Athena, MinDAT, MinMax Manganese spar *  (see Rhodochrosite ) See Also: GOOGLE, Athena, MinDAT, MinMax Manganese-hornesite     (Mn,Mg)3(AsO4)2 • 8(H2O) Manganese-shadlunite     (Mn,Pb)(Cu,Fe)8S8 NAME ORIGIN: Named for Tatyana Shadlun, Russian ore mineralogist. Mangangordonite     (Mn++,Fe++,Mg)Al2(PO4)2(OH)2 • 8(H2O) NAME ORIGIN: Named as the manganese analog of gordonite. Manganhornesite *  (see Manganese-hornesite ) See Also: GOOGLE, Athena, MinDAT, MinMax Manganhumite     (Mn,Mg)7(SiO4)3(OH)2 Manganidocrase *  (see Manganvesuvianite ) See Also: GOOGLE, Athena, MinDAT, MinMax Manganite     MnO(OH) NAME ORIGIN: Named after its chemical composition. Manganlotharmeyerite !     Ca(Mn+++,Mg,)2(AsO4)2(OH,H2O)2 NAME ORIGIN: Named as the Mn-dominant lotharmeyerite. Manganocalcite - variety *  (see Calcite ) See Also: GOOGLE, Athena, MinDAT, MinMax Manganochromite     (Mn,Fe++)(Cr,V)2O4 NAME ORIGIN: Named for its MANGANese in the composition and relationship to magnesiochromite. Manganocolumbite     (Mn,Fe++)(Nb,Ta)2O6 NAME ORIGIN: Named for the MANGANese content and the relationship to columbite (ferrocolumbite). Manganocummingtonite     Na(Na,Mn)2(Mg4,Fe+++)5Si8O22(OH)2 NAME ORIGIN: Renamed IMA 2003, Formerly Tirodite (1938). Named after its locality. LOCALITY: Tirodi, Madhya Pradesh, India. Manganogrunerite     [ ]Mn2Fe++5Si8O22(OH) NAME ORIGIN: Renamed IMA 1997 as the Mn analog of grunerite, Formerly dannemorite (1855) which was named after its locality. LOCALITY: Dannemora, Uppsala, Sweden. Manganokhomyakovite !     Na12Sr3Ca6Mn3Zr3W(Si25O73)(O,OH,H2O)3(OH,Cl)2 NAME ORIGIN: The name reflects the composition and similarity to khomyakovite. Manganokukisvumite !     Na6MnTi4Si8O28 • 4(H2O) NAME ORIGIN: Named as the manganese-dominant analogue of kukisvumite. Manganolangbeinite     K2Mn2(SO4)3 Manganonaujakasite !     Na6(Mn,Fe++ )Al4Si8O26 NAME ORIGIN: Named as the manganese analog of naujakasite. Manganonordite-(Ce) !     Na3SrCeMn++Si6O17 NAME ORIGIN: Named as the Mn++ dominant analogue of nordite-(Ce). Nordite series is named after the word for north because of its northern origin in the Lovozero Massif. Manganophyllite (Mn) *  (see Biotite ) See Also: GOOGLE, Athena, MinDAT, MinMax Manganosegelerite     (Mn,Ca)(Mn,Fe++,Mg)Fe+++(PO4)2(OH) • 4(H2O) NAME ORIGIN: Named as the manganese analog of segelerite. Manganosite     MnO NAME ORIGIN: Named as an oxide of manganese. Manganostibite     (Mn++,Fe++)7(SbO4)(AsO4,SiO4)O4 Manganotantalite     MnTa2O6 NAME ORIGIN: Named after its chemical composition containing manganese and tantalum. Manganotapiolite     (Mn++,Fe++)(Ta,Nb)2O6 NAME ORIGIN: Named for the MANGANese content and relationship to ferroTAPIOLITE. Manganotychite     Na6(Mn++,Fe++,Mg)2(SO4)(CO3)4 Manganpyrosmalite     (Mn,Fe++)8Si6O15(OH,Cl)10 NAME ORIGIN: Manganese end member of pyrosmalite. Manganvesuvianite !     Ca19Mn+++(Al,Mn+++,Fe+++)10(Mg,Mn++)2Si18O69(OH)9 NAME ORIGIN: Named for the relationship to vesuvianite (idocrase) and Mn. Manjiroite     (Na,K)(Mn++++,Mn++)8O16 • n(H2O) NAME ORIGIN: Named for Manjiro Watanabe (1891-?), Emeritus Professor of Mineralogy, Tohoku University, Sendai, Japan. Mannardite     BaTi6V+++2O16 • (H2O) NAME ORIGIN: Named for George William Mannard (1932-1982), formerly President of Kidd Creek Mines, Ltd., Toronto, Canada. Mansfieldite     AlAsO4 • 2(H2O) NAME ORIGIN: Named for George Rogers Mansfield (1875-1947), geologist, U. S. Geological Survey. Mantienneite     KMg2Al2Ti(PO4)4(OH)3 • 15(H2O) Mapimite     Zn2Fe+++3(AsO4)3(OH)4 • 10(H2O) Marcasite     FeS2 NAME ORIGIN: Arabic or Moorish name for pyrites and similar material of uncertain origin. Marecottite !     Mg3(H2O)18[(UO2)4O3(SO4)2]2 • 10(H2O) NAME ORIGIN: Named for the locality. LOCALITY: La Creusaz U-prospect near Les Marecottes, Western Swiss Alps, Switzerland. Margaritasite     (Cs,K,H3O)2(UO2)2V2O8 • (H2O) Margarite     CaAl2(Al2Si2)O10(OH)2 NAME ORIGIN: From the Greek margaritos - "pearl." Margarosanite     Pb(Ca,Mn++)2Si3O9 Marialite     Na4Al3Si9O24Cl NAME ORIGIN: Named by von Rath in honor of his wife, Maria Rosa vom Rath (1830-1888). Maricite     NaFe++PO4 Maricopaite     Pb7Ca2(Si,Al)48O100 • 32(H2O) NAME ORIGIN: Named for the locality. LOCALITY: Moon Anchor mine, near Tonopah, Maricopa County, Arizona, USA. Marignacite *  (see Ceriopyrochlore-(Ce) ) See Also: GOOGLE, Athena, MinDAT, MinMax Marinellite !     [(Na,K)42Ca6](Si36Al36O144)(SO4)8Cl2 • 6(H2O) NAME ORIGIN: Named for Giorgio Marinelli (1922-1993), Professor, Department of Earth Sciences, University of Pisa, specialist in magma genesis and tectonic settings. Marionite *  (see Hydrozincite ) See Also: GOOGLE, Athena, MinDAT, MinMax Marokite     CaMn+++2O4 NAME ORIGIN: Named for the locality. LOCALITY: Tachgagalt, Ouarzazate, Morocco. Morocco in French "Maroc". Marrite     PbAgAsS3 NAME ORIGIN: Named for John Edward Marr (1857-1933), geologist of Canbridge, England. Marshite     CuI NAME ORIGIN: Named for C. W. Marsh, Autralian mineral collector who first described the mineral. Marsturite     NaCaMn3[Si5O14(OH)] NAME ORIGIN: Named for Marion Stuart of Bellvue, Idaho, who has been a staunch supporter of the preservation of natural history specimens, particularly those of geological interest. Marthozite     Cu[(UO2)3(SeO3)2O2] • 8(H2O) NAME ORIGIN: Named for Aime Marthoz (1864-1962), French mineralogist and inspector General, Bureau de Recherches Geolgiques et Miniere. Martinite !     (Na,Ca)11Ca4(Si,S,B)14B2O40F2 • 4(H2O) NAME ORIGIN: Commission on New Minerals and Mineral Names (CNMMN) Martite *  (see Hematite ) See Also: GOOGLE, Athena, MinDAT, MinMax Martourite *  (see Berthierite ) See Also: GOOGLE, Athena, MinDAT, MinMax Marumoite !     Pb32As40S92 NAME ORIGIN: Commission on New Minerals and Mineral Names (CNMMN) Mascagnite     (NH4)2SO4 NAME ORIGIN: Named for Paolo Mascagni (1752-1815), Italian anatomist, University of Siena who first described the natural salt. Maslovite     PtBiTe NAME ORIGIN: Named for G. D. Maslov (1915-1968). Massicot     PbO NAME ORIGIN: French name for lead oxide. Masutomilite     K(Li,Al,Mn++)3[(Si,Al)4O10](F,OH)2 NAME ORIGIN: Named for Kazunosuke Masutomi, Japanese pharmacist and prominent amateur mineralogist and mineral collector. Masuyite     Pb[(UO2)3O3(OH)2] • 3(H2O) NAME ORIGIN: Named for Gustave Masuy (1905-1945), Belgian geologist, shot by the German occupiers at the end of World War II. Mathewrogersite     Pb7(Fe,Cu)Al3GeSi12O36 • (OH,H2O)6 NAME ORIGIN: Named to honor Mathew Rogers, first European prospector at Tsumeb, Namibia. Mathiasite     (K,Ca,Sr)(Ti,Cr,Fe,Mg)21O38 NAME ORIGIN: Named for Frances Celia Morna Mathias (1913-), British-South African geochemist, University of Capetown, South Africa. Matildite     AgBiS2 NAME ORIGIN: Named after its locality LOCALITY: Matilda mine, near Moroccha, Provinence Junin, Peru. Matlockite     PbFCl NAME ORIGIN: Named from its locality. LOCALITY: Cromford, near Matlock, Derbyshire. Ancient lead slags at Laurium, Greece. Matraite     ZnS NAME ORIGIN: Name for the locality. LOCALITY: Gyöngyösoroszi, Mátra Mountains locality, Heves Co., Hungary. Matsubaraite !     Sr4TiTi4Si4O22 NAME ORIGIN: Named after Satoshi Matsubara, specialist for strontium minerals in the National Science Museum, Tokyo, Japan. Mattagamite     CoTe2 NAME ORIGIN: Named for the locality. LOCALITY: Mattagami Lake mines, Mattagami, Galinee Township, Abitibi Co., Québec, Canada. Matteuccite     NaHSO4 • (H2O) Mattheddleite     Pb20(SiO4)7(SO4)4Cl4 NAME ORIGIN: Named for Matthew Forster Heddle (1828-1897), Scottish mineralogist. Matulaite     CaAl18(PO4)12(OH)20 • 28(H2O) Matveevite ?     KTiMn2Fe+++2(PO4)4(OH)3 • 15(H2O) NAME ORIGIN: Named in 1986 for K. K. Matveev (1875-1954). Maucherite     Ni11As8 NAME ORIGIN: Named for William Maucher (1879-1930), mineral dealer of Munich, Germany. Maufite     (Mg,Ni)Al4Si3O13 • 4(H2O) (?) NAME ORIGIN: Named for Herbert Brantwood Maufe (1879-1976), director of the Geological Service of Rhodesia Mawbyite     Pb(Fe+++Zn)2(AsO4)2(OH,H2O)2 NAME ORIGIN: Named for Sir Maurice Alan Edgar Mawby (1904-1977), for his contribution to the Australian mining industry. Mawsonite     Cu+6Fe+++2Sn++++S8 NAME ORIGIN: Named for Douglas Mawson (1882-1958), Australian geologist and Antarctic explorer. Maxwellite     NaFe+++(AsO4)F NAME ORIGIN: Named for Charles Henry Maxwell (1923-), U. S. Geological Survey. Mayakite *  (see Majakite ) See Also: GOOGLE, Athena, MinDAT, MinMax Mayenite     Ca12Al14O33 Mayingite     IrBiTe NAME ORIGIN: Named after its locality. LOCALITY: Near the village of Maying, about 230 km NNE of Beijing, People's Republic of China. Mazzettiite !     Ag3HgPbSbTe5 NAME ORIGIN: Named for Giuseppe Mazzetti (1942–2003), curator in chief of the Mineralogy Section of the Museo di Storia Naturale, Università di Firenze. Mazzite     K2CaMg2(Al,Si)36O72 • 28(H2O) NAME ORIGIN: Named for Prof. Fiorenzo Mazzi, mineralogist, University of Pavia, Pavia, Italy. Mazzite-Na !     Na8Al8Si28O72 • 30(H2O) NAME ORIGIN: Named as the Na-dominat analogue of mazzite(-K). Mbobomkulite     (Ni,Cu)Al4(NO3,SO4)2(OH)12 • 3(H2O) NAME ORIGIN: Named for the locality. LOCALITY: Mbobo Mkulu cave, Nelspruit district, South Africa. Mcallisterite     Mg2B12O14(OH)12 • 9(H2O) Mcalpineite     Cu++3Te++++++O6 • (H2O) NAME ORIGIN: For the mine at the type locality. LOCALITY: McAlpine mine, Tuolumne County, California, USA. Mcauslanite     HFe++3Al2(PO4)4F • 18(H2O) NAME ORIGIN: Named for David A. McAuslan, exploration manager, Shell Canada Resources LTD., who discovered the locality. LOCALITY: East Kemptville tin mine, Yarmouth County, NS, Canada. Mcbirneyite     Cu3(VO4)2 Mcconnellite     CuCrO2 Mccrillisite     NaCs(Be,Li)Zr2(PO4)4 • 1-2(H2O) NAME ORIGIN: In honor of the late Dean McCrillis and his son, Philip. Mcgillite     (Mn,Fe++)8Si6O15(OH)8Cl2 NAME ORIGIN: Named for McGill University, Montreal, Quebec, Canada. Mcgovernite     Mn9Mg4Zn2As2Si2O17(OH)14 NAME ORIGIN: Named for J. J. McGovern (1915-), Franklin miner and mineral collector. Mcguinnessite     (Mg,Cu)2(CO3)(OH)2 NAME ORIGIN: Named for Albert L. McGuinness (1926-1990), mineral dealer, San Mateo, California, USA> Mckelveyite-(Nd) *     (Ba,Sr)(Ca,Na,Nd,REE)(CO3)2 • 3-10(H2O) NAME ORIGIN: Named after Vincent E. McKelvey, 1916-1985), director of the U.S. Geological Survey. Mckelveyite-(Y)     Ba3Na(Ca,U)Y(CO3)6 • 3(H2O) NAME ORIGIN: Named after Vincent E. McKelvey, 1916-1985), director of the U.S. Geological Survey. Mckinstryite     (Ag,Cu)2S NAME ORIGIN: Named for Hugh E. McKinstry (1896-1961), U. S. Economic geologist. Mcnearite     NaCa5H4(AsO4)5 • 4(H2O) NAME ORIGIN: Named for Elizabeth McNear, mineralogist and crystallographer, University of Geneva, Switzerland. Medaite     (Mn,Ca)6(V+++++,As)Si5O18(OH) NAME ORIGIN: Named for Dr. Francesco Meda (1926-1977), an amateur mineralogist from Turin, Italy. Medenbachite !     Bi2Fe+++(Cu,Fe+++)(O,OH)2(OH)2(AsO4)2 NAME ORIGIN: Named for Dr. Olaf Medenbach (1949-) of the University of Bochum, Germany. Meerschaum *  (see Sepiolite ) See Also: GOOGLE, Athena, MinDAT, MinMax Megacyclite     Na8KSi9O18(OH)9 • 19(H2O) NAME ORIGIN: From the Greek for large and cyclical, with reference to the large ringlike groups of silica tetrahedra in the structure. Megakalsilite !     KAlSiO4 NAME ORIGIN: Named to reflect the large (MEGA) unit cell relative to kalsilite. Meionite     Ca4Al6Si6O24CO3 NAME ORIGIN: From the Greek for "less", referring to its less acute pyramidal form compared with vesuvianite. Meixnerite     Mg6Al2(OH)18 • 4(H2O) NAME ORIGIN: Named for Heinrich Herman Meixner (1908-1981), Austrian mineralogist. Melaconite *  (see Tenorite ) See Also: GOOGLE, Athena, MinDAT, MinMax Melanite - black *  (see Andradite ) See Also: GOOGLE, Athena, MinDAT, MinMax Melanocerite-(Ce)     (Ce,Th,Ca)5(Si,B)3O12(OH,F) • n(H2O) (?) NAME ORIGIN: Named from the Greek meaning "black" and the composition (Cerium). Melanochalcite *  (see Tenorite ) See Also: GOOGLE, Athena, MinDAT, MinMax Melanophlogite     SiO2 • n(C,H,O,S) NAME ORIGIN: From the Greek for "black" and "to be burned" in allusion to the fact that some specimens blacken on heating. Low temperature form. Melanophlogite-alpha *  (see Melanophlogite ) See Also: GOOGLE, Athena, MinDAT, MinMax Melanophlogite-beta !     SiO2 • n(C,H,O,S) NAME ORIGIN: From the Greek for "black" and "to be burned" in allusion to the fact that some specimens blacken on heating. High temperature form. Melanostibite     Mn(Sb+++++,Fe+++)O3 NAME ORIGIN: From the Greek for "black" and antimony (STIBium) in its composition. Melanotekite     Pb2Fe+++2Si2O9 Melanothallite     Cu2OCl2 Melanovanadite     CaV++++2V+++++2O10 • 5(H2O) NAME ORIGIN: From the Greek, Melano, "dark" and the composition. Melanterite     Fe++SO4 • 7(H2O) NAME ORIGIN: From the Greek melas, "black." Melilite     (Ca,Na)2(Al,Mg,Fe++)(Si,Al)2O7 NAME ORIGIN: From the Greek, meli - "honey" and lithos - "stone." Melinophane *  (see Meliphanite ) See Also: GOOGLE, Athena, MinDAT, MinMax Meliphanite     (Ca,Na)2Be[(Si,Al)2O6(F,OH)] NAME ORIGIN: Named from the Greek for "honey" and "to appear" in allusion to the color. Melkovite     CaFe+++H6(MoO4)4(PO4) • 6(H2O) NAME ORIGIN: Named for Vyacheslav Gavrilovich Melkov (1911-1991), Russian mineralogist. Mellite     Al2[C6(COO)6] • 16(H2O) NAME ORIGIN: From the Latin mel - "honey." Melnikovite *  (see Greigite ) See Also: GOOGLE, Athena, MinDAT, MinMax Melonite     NiTe2 NAME ORIGIN: Named for the locality. LOCALITY: Melones and Stanislaus mine, Carson hill, Calaveras County, California, USA. Melonjosephite     CaFe++Fe+++(PO4)2(OH) Menaccanite *  (see Ilmenite ) See Also: GOOGLE, Athena, MinDAT, MinMax Mendeleyevite *  (see Betafite ) See Also: GOOGLE, Athena, MinDAT, MinMax Mendipite     Pb3Cl2O2 NAME ORIGIN: Named after its locality. LOCALITY: Mendip Hills, Somersetshire, England. Mendozavilite     (Na,Mg)Ca2[Mo++++++8P+++++2Fe+++3O36(OH)] • n(H2O), n~9 NAME ORIGIN: Named for H. Mendoza Avila, Mexican geologist, who found the mineral. Mendozite     NaAl(SO4)2 • 11(H2O) Meneghinite     Pb13CuSb7S24 NAME ORIGIN: Named for Giuseppi Meneghini (1811-1889) of Pisa, Italy who first observed the mineral. Mengxianminite *     (Ca,Na)3(Fe++,Mn++)2Mg2(Sn++++,Zn)5Al8O29 Menshikovite !     Pd3Ni2As3 NAME ORIGIN: Named for Yurii P. Men'shikov (1934-) of the Geological Institute of the Kola Science Center, Apatity, Russia. Mercallite     KHSO4 NAME ORIGIN: Named for Giuseppe Mercalli (1850-1914), Italian Geologist, director of the Vesuvius Observatory. Mercury     Hg NAME ORIGIN: From the Arabic. Mereheadite !     Pb2O(OH)Cl NAME ORIGIN: Named after its locality. LOCALITY: Merehead Quarry, Cranmore, Somerset, England, U.K. Mereiterite !     K2Fe++(SO4)2 • 4(H2O) NAME ORIGIN: For Dr. Kurt Mereiter (1945- ), Technical University of Vienna, Austria. Merenskyite     (Pd,Pt)(Te,Bi)2 NAME ORIGIN: Named for Hans Merensky (1871-1952), who was intrumental in the discovery of the "Reef" also named for him. Merlinoite     (K,Ca,Na,Ba)7Si23Al9O64 • 23(H2O) NAME ORIGIN: Named for Stefano Merlino (1938-), Professor of Crystallography, University of Pisa, Pisa, Italy. Merrihueite     (K,Na)2(Fe++,Mg)5Si12O30 Merrillite-(Ca) *     (Ca,[ ])19Mg2(PO4)14 NAME ORIGIN: Named after George Perkins Merrill (1854-1929), meteorite specialist at U. S. National Museum, Smithsonian Institution, Washington, D.C. USA. Merrillite-(Na) *     Ca18Na2Mg2(PO4)14 NAME ORIGIN: Named after George Perkins Merrill (1854-1929), meteorite specialist at U. S. National Museum, Smithsonian Institution, Washington, D.C. USA. Merrillite-(Y) *     Ca16Y2Mg2(PO4)14 NAME ORIGIN: Named after George Perkins Merrill (1854-1929), meteorite specialist at U. S. National Museum, Smithsonian Institution, Washington, D.C. USA. Mertieite-I     Pd11(Sb,As)4 NAME ORIGIN: Named for John B. Mertie (1888-1980), geologist, U.S. Geological Survey. Mertieite-II     Pd8(Sb,As)3 NAME ORIGIN: Named for John B. Mertie (1888-1980), geologist, U.S. Geological Survey. Merwinite     Ca3Mg(SiO4)2 Mesolite     Na2Ca2Al6Si9O30 • 8(H2O) NAME ORIGIN: From the Greek mesos - "middle." Mesotype *  (see Natrolite ) See Also: GOOGLE, Athena, MinDAT, MinMax Messelite     Ca2(Fe++,Mn)(PO4)2 • 2(H2O) NAME ORIGIN: Named after its locality. LOCALITY: Messel, Germany. Messing *  (see Brass ) See Also: GOOGLE, Athena, MinDAT, MinMax Meta Autunite *  (see Meta-autunite ) See Also: GOOGLE, Athena, MinDAT, MinMax Meta-aluminite     Al2(SO4)(OH)4 • 5(H2O) NAME ORIGIN: Named as the lower hydrate of aluminite. Meta-alunogen     Al4(SO4)6 • 27(H2O) Meta-ankoleite     K2(UO2)2(PO4)2 • 6(H2O) NAME ORIGIN: Named after the locality. LOCALITY: Mungenyi pegmatite, Ankole District, Uganda. Meta-autunite     Ca(UO2)2(PO4)2 • 2-6(H2O) NAME ORIGIN: Named as the lower hydrate of autunite. Meta-uranocircite     Ba(UO2)2(PO4)2 • 6-8(H2O) NAME ORIGIN: Named for its lower hydrate relationship to uranocercite. Meta-uranopilite     (UO2)6(SO4)(OH)10 • 5(H2O) NAME ORIGIN: Named as the lower hydrate of uranopilite. Meta-uranospinite     Ca(UO2)2(AsO4)2 • 8(H2O) Metaborite     HBO2 Metacalciouranoite     (Ca,Na,Ba)U2O7 • 2(H2O) NAME ORIGIN: Named from meta 'change' and calciouranoite indicating it's lower hydrate content. Metacinnabar     HgS NAME ORIGIN: From the Greek meta and cinnabar (similar chemical composition and association with cinnabar). Metadelrioite     CaSrV2O6(OH)2 • (H2O) NAME ORIGIN: Named as the lower hydrate of delrioite which was named for Andres M. del Rio (1764-1849), Mexican mineralogist, who discovered vanadium. Metahaiweeite     Ca(UO2)2Si6O15 • n(H2O), n<5 NAME ORIGIN: Dehydration product of haiweeite. Metaheinrichite     Ba(UO2)2(AsO4)2 • 8(H2O) NAME ORIGIN: Named as the lower hydrate and for Eberhardt William Heinrich (1918-1991), Mineralogist, University of Michigan, Ann Arbor, MI, USA. Metahewettite     CaV6O16 • 3(H2O) NAME ORIGIN: Named for its lower hydrate relationship to hewettite. Metahohmannite     Fe+++2[O(SO4)2] • 4(H2O) NAME ORIGIN: Named after the similarity to hohmannite, with a lower state of hydration. Metakahlerite     Fe++(UO2)2(AsO4)2 • 8(H2O) Metakirchheimerite     Co(UO2)2(AsO4)2 • 8(H2O) Metakoettigite *  (see Metakottigite ) See Also: GOOGLE, Athena, MinDAT, MinMax Metakottigite     (Zn,Fe+++,Fe++)3(AsO4)2 • 8((H2O),OH) NAME ORIGIN: Named for its dimorphous relationship to kottigite, and by analogy to metavivianite. Metalodevite     Zn(UO2)2(AsO4)2 • 10(H2O) Metamunirite     Na2[V+++++2O6] or NaVO3 NAME ORIGIN: Named for its relationship to munirite. Metanovacekite     Mg(UO2)2(AsO4)2 • 4-8(H2O) Metarossite     CaV2O6 • 2(H2O) NAME ORIGIN: Named as the dehydration procutc of rossite. Metaschoderite     Al2(PO4)(VO4) • 6(H2O) Metaschoepite     UO3 • n(H2O)(n<2) NAME ORIGIN: Named as the lower hydrate of schoepite. Metasideronatrite     Na2Fe+++(SO4)2(OH) • (H2O) NAME ORIGIN: Named for the similarity to sideronatrolite with a lower hydrate. Metastibnite     Sb2S3 NAME ORIGIN: From the Greek for "with" and stibnite, in allusion to its composition. Metastrengite *  (see Phosphosiderite ) See Also: GOOGLE, Athena, MinDAT, MinMax Metastudtite     UO4 • 2(H2O) NAME ORIGIN: Named as the lower hydration product of studtite. Metaswitzerite     Mn3(PO4)2 • 4(H2O) NAME ORIGIN: Named as the lower hydrate of switzerite. Metatorbernite     Cu(UO2)2(PO4)2 • 8(H2O) NAME ORIGIN: Named as the lower hydrate of tobernite. Metatyuyamunite     Ca(UO2)2V2O8 • 3(H2O) NAME ORIGIN: Named as the lower hydrate of tyuyamunite. Metavandendriesscheite     PbU7O22 • n(H2O)(n<12) NAME ORIGIN: Named for Adrien Vandendriessche (1914-1940), Belgain mineralogist and geologist. Meta is used for dehydrated vandendriesscheite. Metavanmeersscheite     U++++++(UO2)3(PO4)2(OH)6 • 2(H2O) Metavanuralite     Al(UO2)2(VO4)2(OH) • 8(H2O) NAME ORIGIN: Named as the lower hydrate of vanuralite. Metavariscite     AlPO4 • 2(H2O) NAME ORIGIN: Named for its dimorphic relationship to variscite. Metavauxite     Fe++Al2(PO4)2(OH)2 • 8(H2O) NAME ORIGIN: Named for the chemical relationship to vauxite. Metavivianite     (Fe++3-x,Fe+++x)(PO4)2(OH)x • 8-x(H2O), x=0.5 NAME ORIGIN: Named to reflect the relationship with vivianite. Metavoltine     K4Na4(Fe++,Zn)Fe+++6(SO4)12O2 • 20(H2O) NAME ORIGIN: Named from the Greek for "with" and voltine, because is was found associated with voltaite at the original locality. LOCALITY: From Vesuvius and Cape Miseno, near Naples, Italy. Metazellerite     Ca(UO2)(CO3)2 • 3(H2O) NAME ORIGIN: Named for the relationship to zellerite (after Howard D. Zeller (1922-), U.S Geological Survey. Metazeunerite     Cu(UO2)2(AsO4)2 • 8(H2O) NAME ORIGIN: Named as the lower hydrate of zeunerite Methane Clathrate *  (see Methane hydrate-H ) See Also: GOOGLE, Athena, MinDAT, MinMax Methane Clathrate *  (see Methane hydrate-I ) See Also: GOOGLE, Athena, MinDAT, MinMax Methane Clathrate *  (see Methane hydrate-II ) See Also: GOOGLE, Athena, MinDAT, MinMax Methane hydrate *  (see Methane hydrate-H ) See Also: GOOGLE, Athena, MinDAT, MinMax Methane hydrate *  (see Methane hydrate-I ) See Also: GOOGLE, Athena, MinDAT, MinMax Methane hydrate *  (see Methane hydrate-II ) See Also: GOOGLE, Athena, MinDAT, MinMax Methane hydrate-H !     34(H2O) • 3(S) • 2(M) • 1(L) NAME ORIGIN: Named for the composition of the component chemicals. Methane hydrate-I !     46(H2O) • 2(S) • 6(L) NAME ORIGIN: Named for the composition of the component chemicals. Methane hydrate-II !     136(H2O) • 16(S) • 8(L) NAME ORIGIN: Named for the composition of the component chemicals. Meurigite !     KFe+++7(PO4)5(OH)7 • 8(H2O) NAME ORIGIN: Named for Sir John Meurig Thomas, British chemist Meyerhofferite     Ca2B6O6(OH)10 • 2(H2O) NAME ORIGIN: Named for Wilhelm Myerhoffer (1864-1906), German chemist who synthesized the mineral. Meymacite     WO3 • 2(H2O) NAME ORIGIN: Named for the locality. LOCALITY: Meymac, Correze, France. Mg-zippeite *  (see Magnesium-zippeite ) See Also: GOOGLE, Athena, MinDAT, MinMax Mgriite     Cu3AsSe3 NAME ORIGIN: Named for the Moscow Geological Exploration Institute (MGEI). Miargyrite     AgSbS2 NAME ORIGIN: From the Greek, meyon, "smaller" and argyros, "silver." in allusion to the lessor silver content of the mineral. Miassite !     Rh17S15 NAME ORIGIN: Named after the locality. LOCALITY: Miass river, Ural Mountains, Russia Micaceous Iron Ore *  (see Biotite ) See Also: GOOGLE, Athena, MinDAT, MinMax Micheelsenite !     (Ca,Y)3Al[PO3OH,CO3](CO3)(OH)6 • 12(H2O) NAME ORIGIN: Named for H. I. Micheelsen (1931-), of the University of Copenhagen, Denmark. Michenerite     (Pd,Pt)BiTe NAME ORIGIN: Named for C. E. Michener, who discovered the mineral. Microcline     KAlSi3O8 NAME ORIGIN: From the Greek mikron - "little" and klinein - "to stoop." Microlite     (Na,Ca)2Ta2O6(O,OH,F) NAME ORIGIN: From the Greek mikros - "small" and lithos - "stone." Microsommite     (Na,Ca,K)7-8(Si,Al)12O24(Cl,SO4)2-3 NAME ORIGIN: Named after its locality. LOCALITY: Mte Somma, Vesuvius, Italy. Miersite     (Ag,Cu)I NAME ORIGIN: Named for Henry Alexander Miers (1848-1942), English mineralogist, Oxford University. Miharaite     PbCu4FeBiS6 NAME ORIGIN: Named after the locality. LOCALITY: Mihara mine and the Imooka mine, Okayama Prefecture, Japan. Mikasaite     Fe+++2(SO4)3 NAME ORIGIN: For its locality. LOCALITY: Ikushunbetsu, Mikasa City, Hokkaido, Japan. Milarite     K2Ca4Al2Be4Si24O60 • (H2O) NAME ORIGIN: Named after its locality. LOCALITY: Val Milar, Switzerland. Millerite     NiS NAME ORIGIN: Named after the English mineralogist, William Hallowes Miller (1801-1880) Millisite     (Na,K)CaAl6(PO4)4(OH)9 • 3(H2O) NAME ORIGIN: Named for F. T. Millis of Lehi, Utah, who found the first specimens. Millon's base *  (see Mosesite ) See Also: GOOGLE, Athena, MinDAT, MinMax Millosevichite     (Al,Fe+++)2(SO4)3 NAME ORIGIN: Named for F. Millosevich (1874-1942), Italian mineralogist, University of Rome. Milotaite !     PdSbSe NAME ORIGIN: Commission on New Minerals and Mineral Names (CNMMN) Mimetesite *  (see Mimetite ) See Also: GOOGLE, Athena, MinDAT, MinMax Mimetite     Pb5(AsO4)3Cl NAME ORIGIN: From the Greek mimethes - "imitator" , because of its resemblance to pyromorphite. Minamiite     (Na,Ca,K)Al3(SO4)2(OH)6 Minasgeraisite-(Y)     CaY2Be2Si2O10 NAME ORIGIN: Named after its locality. LOCALITY: The Jaguaracu Pegmatite, Minas Gerais, Brazil. Also known as the Jose Miranda mine or the Ze Pinto or Jose Pinto mine. Minasragrite     VO(SO4) • 5(H2O) NAME ORIGIN: Named for the locality. LOCALITY: Mina Ragra (Minasragra), Junin, Cerro de Pasco, Peru. Mineevite-(Y)     Na25Ba(Y,Gd,Dy)2(HCO3)4(CO3)11(SO4)2ClF2 NAME ORIGIN: Named for Dimitry A. Mineev (1935-1992), Russian mineralogist and Geochemist. Minehillite     (K,Na)2-3Ca28(Zn4Al4Si40)O112(OH)16 NAME ORIGIN: Named for the locality. LOCALITY: Mine Hill at Franklin, Sussex County, New Jersey, USA. Minguzzite     K3Fe+++(C2O4)3 • 3(H2O) NAME ORIGIN: Named for Carlo Minguzzi (1910-1953), Italian mineralogist and professor, University of Pavia. Minium     Pb++2Pb++++O4 NAME ORIGIN: Named after its locality. LOCALITY: The river Minius located in NW Spain. Minnesotaite     (Fe++,Mg)3Si4O10(OH)2 NAME ORIGIN: Named after its occurrence in Minnesota, USA. Minrecordite     CaZn(CO3)2 NAME ORIGIN: Named after the journal Mineralogical Record. Minyulite     KAl2(PO4)2(OH,F) • 4(H2O) NAME ORIGIN: Named after its locality. LOCALITY: Minyulo Well in western Australia. Mirabilite     Na2SO4 • 10(H2O) NAME ORIGIN: Named after the Latin, sal mirabile Glauberi - "Glauber Salt." Misenite     K8H8(SO4)7 (?) NAME ORIGIN: Named after its locality. LOCALITY: Cape Miseno, near Naples, Italy. Miserite     K(Ca,Ce)5[Si8O22](OH,F)2 NAME ORIGIN: Named for Hugh Dinsmore Miser (1884-1969), geologist, U. S. Geological Survey. Mispickel *  (see Arsenopyrite ) See Also: GOOGLE, Athena, MinDAT, MinMax Misy *  (see Copiapite ) See Also: GOOGLE, Athena, MinDAT, MinMax Mitaxite - splintery *  (see Orthochrysotile ) See Also: GOOGLE, Athena, MinDAT, MinMax Mitridatite     Ca2Fe+++3(PO4)3O2 • 3(H2O) NAME ORIGIN: Named for the locality. LOCALITY: Mithridat Hill, Kerch, Crimea, Russia. Mitryaevaite !     Al5[(PO4)2[(P,S)O3(OH,O)]2F2(OH)2(H2O)8 • 6.48(H2O) NAME ORIGIN: For Dr. Nonna Mikhailovna Mitryaeva (1920-) in recognition of her contributions to the mineralogy of Kazakhstan. Mitscherlichite     K2CuCl4 • 2(H2O) Mixite     BiCu6(AsO4)3(OH)6 • 3(H2O) NAME ORIGIN: Named after the mining engineer, A. Mixa from Jachymov, Czechoslovakia. Miyashiroite *  (see Nyboite ) See Also: GOOGLE, Athena, MinDAT, MinMax Mock Lead Ore *  (see Sphalerite ) See Also: GOOGLE, Athena, MinDAT, MinMax Moctezumite     Pb(UO2)(TeO3)2 NAME ORIGIN: Named for the locality which was named after Moctezuma (1466-1520), last king of the Aztecs. LOCALITY: Moctezuma mine (La Bambolla), Moctezuma, Sonora, Mexico. Modderite     (Co,Fe)As NAME ORIGIN: Named for the locality. LOCALITY: Modderfontein mine, Witwatersrand, Transvaal, South Africa. Moeloite !     Pb6Sb6S14(S3) NAME ORIGIN: Named for Yves Moelo who synthesized and characterized the synthetic material prior to the discovery of the mineral. Moganite !     SiO2 NAME ORIGIN: Named for the locality. LOCALITY: Mogan, on southern Gran Canaria in the Canary Islands. Moganite *  (see Lutecite ) See Also: GOOGLE, Athena, MinDAT, MinMax Mogovidite !     Na9(Ca,Na)6Ca6Fe2Zr3[ ]Si25O72(CO3)(OH)4 NAME ORIGIN: Commission on New Minerals and Mineral Names (CNMMN) Mohite     Cu2SnS3 NAME ORIGIN: Named for Gunter Moh, University of Heidelberg, Germany. Mohr's salt *  (see Mohrite ) See Also: GOOGLE, Athena, MinDAT, MinMax Mohrite     (NH4)2Fe++(SO4)2 • 6(H2O) Moissanite     SiC NAME ORIGIN: Named for Henri Moissan (1852-1907), French chemist. Moluranite     H4U++++(UO2)3(MoO4)7 • 18(H2O) Molybdenite     MoS2 NAME ORIGIN: Greek, molybdos = "lead." Molybdic ochre *  (see Molybdenite ) See Also: GOOGLE, Athena, MinDAT, MinMax Molybdite     MoO3 Molybdite *  (see Ferrimolybdite ) See Also: GOOGLE, Athena, MinDAT, MinMax Molybdoferrite *  (see Bamfordite ) See Also: GOOGLE, Athena, MinDAT, MinMax Molybdofornacite     Pb2Cu[(As,P)O4][(Mo,Cr)O4](OH) NAME ORIGIN: Named for its predominance of molybdenum and relation to fornacite. Molybdomenite     PbSeO3 Molybdophyllite     Pb9Mg9Si9O24(OH)24 NAME ORIGIN: Named from the Greek for "lead" and "leaf", in allusion to its composition and foliated habit. Molysite     Fe+++Cl3 Monazite-(Ce)     (Ce,La,Nd,Th)PO4 NAME ORIGIN: From the Greek monazeis - "to be alone" in allusion to its isolated crystals and their rarity when first found. Monazite-(La)     (La,Ce,Nd)PO4 NAME ORIGIN: From the Greek monazeis - "to be alone" in allusion to its isolated crystals and their rarity when first found. Monazite-(Nd)     (Nd,Ce,La)(P,Si)O4 NAME ORIGIN: From the Greek monazeis - "to be alone" in allusion to its isolated crystals and their rarity when first found. Monazite-(Sm) !     SmPO4 NAME ORIGIN: Named as the Sm-dominant member of the monazite series. Moncheite     (Pt,Pd)(Te,Bi)2 NAME ORIGIN: Named for the locality. LOCALITY: Monchegorsk deposit, Monche Tundra, Murmansk,Kola peninsula, Russia. Monetite     CaHPO4 Mongolite     Ca4Nb6Si5O24(OH)10 • 5(H2O) NAME ORIGIN: Named after the locality. LOCALITY: Khan-Bogdinsky massif, Gobi desert, Mongolia, China. Mongshanite *     (Mg,Cr,Fe++)2(Ti,Zr)5O12 Monimolite     (Pb,Ca)2Sb2O7 NAME ORIGIN: Named from the Greek for "stable," because it decomposed chemically with great difficulty. Monohydrocalcite     CaCO3 • (H2O) NAME ORIGIN: Named for its calcite composition with one molecule of water. Monrepite *  (see Tetra-ferri-annite ) See Also: GOOGLE, Athena, MinDAT, MinMax Monsmedite ?     H8K2Tl2(SO4)8 • 11(H2O) NAME ORIGIN: Named in 1968 from the Latin 'Mons Medius', for Baia Sprie, Romania, the locality for the mineral. LOCALITY: Baia Sprie, Baia Mare region, Romania. Monsmedite *  (see Voltaite ) See Also: GOOGLE, Athena, MinDAT, MinMax Montanite     Bi2Te++++++O6 • 2(H2O) NAME ORIGIN: Named for the locality. LOCALITY: Highland, Montana, USA. Montbrayite     (Au,Sb)2Te3 NAME ORIGIN: Name for the locality. LOCALITY: Robb-Montbray mine, Montbray, Abitibi County, Québec, Canada. Montdorite     (K,Na)(Fe++,Mn++,Mg)2.5[Si4O10](F,OH)2 NAME ORIGIN: Named for the locality. LOCALITY: Mt. Dore stratovolcano, near La Bourboule, France. Montebrasite     LiAl(PO4)(OH,F) NAME ORIGIN: Named for the locality. LOCALITY: Montebras, Creuse, France. Monteponite     CdO Monteregianite *  (see Hydrodelhayelite ) See Also: GOOGLE, Athena, MinDAT, MinMax Monteregianite-(Y)     (Na,K)6(Y,Ca)2Si16O38 • 10(H2O) NAME ORIGIN: Named for the Monteregian Hills, a series of intrusions. Montesommaite     (K,Na)9Al9Si23O64 • 10(H2O) NAME ORIGIN: Named for the locality. LOCALITY: Monte Somma, Pollena, Camania, Italy. Montgomeryite     Ca4MgAl4(PO4)6(OH)4 • 12(H2O) NAME ORIGIN: Named for Arthur Mongomery (1909-), mineralogist, teacher, collector, and founder of the Friends of Mineralogy. Monticellite     CaMgSiO4 NAME ORIGIN: Named for Teodoro Monticelli (1759-1846), Italian Mineralogist. Montmorillonite     (Na,Ca)0,3(Al,Mg)2Si4O10(OH)2 • n(H2O) NAME ORIGIN: Named after the locality. LOCALITY: Veinne, Montmorillone, France. Montmorillonite(Ca) *  (see Beidellite ) See Also: GOOGLE, Athena, MinDAT, MinMax Montmorillonite(Na) *  (see Beidellite ) See Also: GOOGLE, Athena, MinDAT, MinMax Montroseite     (V+++,Fe+++,V++++)O(OH) NAME ORIGIN: Named after the locality. LOCALITY: Bitter Creek, Jo Dandy, Whitney, and Virgin mines, Uravan district, Montrose County, Colorado, USA. Montroyalite     Sr4Al8(CO3)3(OH,F)26 • 10-11(H2O) Montroydite     HgO Mooihoekite     Cu9Fe9S16 NAME ORIGIN: Named for the locality. LOCALITY: Mooihoek Farm, Lydenberg district, Transvaal, South Africa Moolooite     Cu++(C2O4) • n(H2O) (n < 1) NAME ORIGIN: Named for the locality. LOCALITY: Bunbury Well, Mooloo Downs, WA, Australia. Mooreite     (Mg,Zn,Mn)15(SO4)2(OH)26 • 8(H2O) NAME ORIGIN: Named for Gideon E. Moore (1842-1895), U.S. Chemist who investigated the Franklin and Sterling Hill, New Jersey ores. Moorhouseite     (Co,Ni,Mn)SO4 • 6(H2O) Mopungite     NaSb(OH)6 NAME ORIGIN: Named for the locality. LOCALITY: Mopung Hills, Churchill County, Nevada, USA. Moraesite     Be2(PO4)(OH) • 4(H2O) NAME ORIGIN: Named for Liciano Jacques de Moraes (1896-1968), Brazilian geologist and mineral collector. Mordenite     (Ca,Na2,K2)Al2Si10O24 • 7(H2O) NAME ORIGIN: Named after its locality. LOCALITY: Shore of Bay of Fundy, 3-5 km east of Morden, King’s County, Nova Scotia, Canada. Moreauite     Al3(UO2)(PO4)3(OH)2 • 13(H2O) Morelandite     (Ba,Ca,Pb)5(AsO4,PO4)3Cl NAME ORIGIN: Named for Groven C. Moreland (1912-1978), supervisor of sample preparation laboratory, National Museum of Natural History, Smithsonian Institution, Washington, DC., USA. Morenosite     NiSO4 • 7(H2O) NAME ORIGIN: Named after Antonio Moreno Ruiz (1796-1852), Spanish pharmacist and chemist. Morganite - pink *  (see Beryl ) See Also: GOOGLE, Athena, MinDAT, MinMax Morimotoite     Ca3TiFe++Si3O12 NAME ORIGIN: For Dr. Nobuo Morimoto (1926- ), Professor Emeritus of Osaka University. Morinite     NaCa2Al2(PO4)2(F,OH)5 • 2(H2O) Morozeviczite     (Pb,Fe)3Ge1-xS4 NAME ORIGIN: Named for Josef Morozewicz (1865-1941), Professor of Mineralogy, Jagellonian University, Krakow, Poland. Mosandrite     Na(Na,Ca)2(Ca,Ce,Y)4(Ti,Nb,Zr)(Si2O7)2(O,F)2F3 NAME ORIGIN: Named for Carl Gustav Mosander (1797-1858), Swedish chemist and mineralogist, who discovered several REE elements. Moschelite     Hg+2I2 NAME ORIGIN: After the locality. LOCALITY: Backofen mine, Moschel landsberg district, Opermoschel, Rhineland Pjalz, Germany. Moschellandsbergite     Ag2Hg3 NAME ORIGIN: Named for the locality. LOCALITY: Landsberg (Moschellandsberg), near Obermoschel, Rheinland-Palatinate, Germany. Mosesite     Hg2N(Cl,SO4,MoO4,CO3) • (H2O) NAME ORIGIN: Named for Alfred J. Moses (1859-1920), professor of mineralogy, Columbia University who studies the Hg-bearing minerals at Terlingua, Texas, USA. Moskvinite-(Y) !     Na2K(Y,REE) [Si6O15] NAME ORIGIN: Named for A.V. Moskvin (1897-1974), Russian geologist. Moss Agate - variety of chaledony *  (see Quartz ) See Also: GOOGLE, Athena, MinDAT, MinMax Mottanaite-(Ce) !     Ca4(Ce,Ca)2AlBe2[Si4B4O22]O2 NAME ORIGIN: Named for Annibale Mottana, Professor of Mineralogy at the University of Roma Tre (Italy). Mottramite     PbCu(VO4)(OH) NAME ORIGIN: Named for the locality. LOCALITY: Mottram, St. Andrews, Cheshire, England. Motukoreaite     Na2Mg38Al24(CO3)13(SO4)8(OH)108 • 56(H2O) NAME ORIGIN: Named for the Maori name for the locality (Motukorea - "island of the cormorants."). LOCALITY: Brown's Island, (Motukorea) within Waitemata Harbor, New Zealand. Mounanaite     PbFe+++2(VO4)2(OH)2 NAME ORIGIN: Named for the locality. LOCALITY: Mounana mine, Franceville, Haute Ogooue, Gabon. Mountain Leather *  (see Actinolite ) See Also: GOOGLE, Athena, MinDAT, MinMax Mountain Leather *  (see Clinochrysotile ) See Also: GOOGLE, Athena, MinDAT, MinMax Mountainite     (Ca,Na2,K2)2Si4O10 • 3(H2O) NAME ORIGIN: Named for Edgar Donald Mountain, Professor of Geology, Rhodes University, Grahamstown, South Africa. Mountkeithite     (Mg,Ni)11(Fe+++,Cr)3(SO4,CO3)3.5(OH)24 • 11(H2O) NAME ORIGIN: Named for the locality. LOCALITY: Mount Keith nickel deposit, 400 km nnw of Kalgooolie, WA, Australia. Mourite     U++++Mo++++++5O12(OH)10 NAME ORIGIN: Named for its composition (Mo, Uranium). Moydite-(Y)     YB(OH)4(CO3) Mozartite     CaMn+++SiO4(OH) NAME ORIGIN: Named for Wolfgang Amadeus Mozart (1756-1791) and his opera "The Magic Flute". The mineral was first noted in 1991, the 200th annivarsary of the composer's death. Mozgovaite !     PbBi4(S,Se)7 NAME ORIGIN: Named for the Russian mineralogist Nadezhda N. Mozgova (1931-). Mpororoite     Al(WO3)(OH)3 • 2(H2O) NAME ORIGIN: Named for the locality. LOCALITY: Mpororo tungsten mine, Kigezi, Uganda. Mrazekite     Bi+++2Cu++3(PO4)2O2(OH)2 • 2(H2O) NAME ORIGIN: Named for Zdenek Mrazek (1952-1984) who discovered the mineral. Mroseite     CaTe++++(CO3)O2 NAME ORIGIN: Named for Mary Emma Mrose (1910-), American mineralogist, U. S. Geological Survey. Muckeite     CuNiBiS3 NAME ORIGIN: Named for Arno Mucke (1937-), German mineralogist. Mueckeite *  (see Muckeite ) See Also: GOOGLE, Athena, MinDAT, MinMax Muirite     Ba10Ca2Mn++TiSi10O30(OH,Cl,F)10 NAME ORIGIN: Named for John Muir (1838-1914), American geologist and explorer who made early observations in geology in the Sierra Nevada Mountains, California, USA. Mukhinite     Ca2Al2V+++(SiO4)3(OH) Mullanite *  (see Boulangerite ) See Also: GOOGLE, Athena, MinDAT, MinMax Mullite     Al(4+2x)Si(2-2x)O(10-x) where x =0.17 to 0.59 NAME ORIGIN: Named after its locality. LOCALITY: Isle of Mull, Scotland, England. Mummeite     Ag3CuPbBi6S13 or Ag2Cu2Pb2Bi6S13 NAME ORIGIN: Named in 1986 for William G. Mumme (b.1936), Australian mineralogist. Mundite     Al(UO2)3(PO4)2(OH)3 • 5(H2O) NAME ORIGIN: Named for Walter Mund (1892-1956), radiochemist, University of Louvain, Belgium. Mundrabillaite     (NH4)2Ca(HPO4)2 • (H2O) NAME ORIGIN: Named for the locality. LOCALITY: Petrogale Cave near Mundrabilla Station, WA, Australia. Munirite     NaVO3 • (2-x)(H2O) Murataite     (Y,Na)6(Zn,Fe+++)5(Ti,Nb)12O29(O,F)14 NAME ORIGIN: Named for Kiguma Jack Murata (1909-) Geochemist, U.S. Geological Survey, Menlo Park, California, USA. Murate of Sota *  (see Halite ) See Also: GOOGLE, Athena, MinDAT, MinMax Murdochite     PbCu6O8-x(Cl,Br)2x NAME ORIGIN: Named for Joseph Murdock (1890-1973), American mineralogist, University of California, Los Angeles, California, USA. Murmanite     Na3(Ti,Nb)4(Si2O7)2O4 • 4(H2O) NAME ORIGIN: Named apparently for the locality. LOCALITY: Lu Javr and Hibina districts, Lovozero Massif, Murmansk, Kola peninsula, Russia. Murunskite     K2Cu3FeS4 NAME ORIGIN: Named for the locality. LOCALITY: Murunskii massif, between the Charo and Tokko Rivers, Olekminsk, Aldan, Yakutia, Russia. Muscovite     KAl2(Si3Al)O10(OH,F)2 NAME ORIGIN: From Muscovy glass, alluding to the Russian province of Muscovy. Musgravite *  (see Magnesiotaaffeite-6N3S ) See Also: GOOGLE, Athena, MinDAT, MinMax Mushistonite     (Cu,Zn,Fe)Sn++++(OH)6 NAME ORIGIN: Named for the locality. LOCALITY: Mushiston tin deposit, Kaznok, Tadzhikistan. Muskoxite     Mg7Fe+++4O13 • 10(H2O) NAME ORIGIN: Named for the igneous complex (the Muskox intrusion) in which the mineral occurs. Muthmannite     AgAuTe2 NAME ORIGIN: Named for Friedrich W. Muthmann (1861-1913), German chemist and crystallographer. Mutinaite !     Na3Ca4Si85Al11O192 • 60(H2O) NAME ORIGIN: Named after Mutina, the ancient Latin name of Modena, Italy, a center of zeolite research.

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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