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F Index of Mineral Species

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

Fabianite     CaB3O5(OH) Facellite *  (see Kaliophilite ) See Also: GOOGLE, Athena, MinDAT, MinMax Faheyite     (Mn,Mg)Fe+++2Be2(PO4)4 • 6(H2O) Fahleite     Zn5CaFe+++2(AsO4)6 • 14(H2O) NAME ORIGIN: Named for Rolfe Fahle of Munich, Germany, a mineral dealer specializing in Tsumeb specimens. Fairbankite     PbTe++++O3 NAME ORIGIN: Named for N. K. Fairbank. Fairchildite     K2Ca(CO3)2 NAME ORIGIN: Named after John Gifford Fairchild (1882-1965), analytical chemist at the U. S. Geological Survey. Fairfieldite     Ca2(Mn,Fe++)(PO4)2 • 2(H2O) NAME ORIGIN: Named for the locality. LOCALITY: Branchville, Redding, Fairfield County, Connecticut, USA Falcondoite     (Ni,Mg)4Si6O15(OH)2 • 6(H2O) NAME ORIGIN: Named for the contraction of FALCONbridge DOminica C. Por A., the mining company at the type locality. LOCALITY: Loma Peruera laterite deposit at Bonao, Dominican Republic. Falkmanite     Pb5Sb4S11 NAME ORIGIN: Named for O.C.A. Falkman. False Galena *  (see Sphalerite ) See Also: GOOGLE, Athena, MinDAT, MinMax Famatinite     Cu3SbS4 NAME ORIGIN: Named after its locality. LOCALITY: Sierra de Famatina, La Rioja, Argentina. Fangite     Tl3AsS4 NAME ORIGIN: Fangite was named for Jen-Ho Fang in honor of his numerous contributions to crystallography, crystal chemistry, and geostatistics. Farringtonite     Mg3(PO4)2 Fassaite *  (see Augite ) See Also: GOOGLE, Athena, MinDAT, MinMax Faujasite *  (see Faujasite-Na ) See Also: GOOGLE, Athena, MinDAT, MinMax Faujasite-Ca !     (Ca,Na2,Mg)3.5[Al7Si17O48] • 32(H2O) NAME ORIGIN: Named after Barthelemy Faujas de Saint Fond (1741-1819), French geologist and writer on the origin of volcanoes. The Ca-dominant member of the faujasite series. Faujasite-Mg !     (Mg,Na2,Ca)3.5[Al7Si17O48] • 32(H2O) NAME ORIGIN: Named after Barthelemy Faujas de Saint Fond (1741-1819), French geologist and writer on the origin of volcanoes. The Mg-dominant member of the faujasite series. Faujasite-Na     (Na2,Ca,Mg)3.5[Al7Si17O48] • 32(H2O) NAME ORIGIN: Named after Barthelemy Faujas de Saint Fond (1741-1819), French geologist and writer on the origin of volcanoes. Faustite     (Zn,Cu)Al6(PO4)4(OH)8 • 4(H2O) NAME ORIGIN: Named for George Tobias Faust (1908-1985), mineralogist and geologist, U. S. Geological Survey. Fava pebbles *  (see Gorceixite ) See Also: GOOGLE, Athena, MinDAT, MinMax Fayalite     Fe++2SiO4 NAME ORIGIN: Named for the locality LOCALITY: Fayal Island, Azores Feather Alum *  (see Halotrichite ) See Also: GOOGLE, Athena, MinDAT, MinMax Fedorite     KNa4Ca4(Al,Si)16O36(OH,F)4 • 6(H2O) NAME ORIGIN: Named for Evgraf Stepanovich Fedorov (1853-1919), eminent Russian crystallographer. Fedorovskite     Ca2(Mg,Mn)2B4O7(OH)6 Fedotovite     K2Cu++3(SO4)3O NAME ORIGIN: Named for S. A. Fedotov (1931-), Russian geologist. Feinglosite !     Pb2(Zn,Fe)[(As,S)O4]2 • (H2O) NAME ORIGIN: Named after Mark N. Feinglos (b. 1948), Professor at the Duke University Medical Center, Durham, North Carolina, U.S.A., who discovered the mineral. Feitknechtite     beta-Mn+++O(OH) NAME ORIGIN: Named for Walter Feitknecht (1899-1975), Swiss, professor of chemistry, University of Bern. Feklichevite !     Na11Ca9(Fe+++,Fe++)2Zr3Nb[Si25O73](OH,H2O,Cl,O)5 NAME ORIGIN: Named for V. G. Feklichev (1933-1999), Russian mineralogist. Felbertalite !     Cu2Pb6Bi8S19 NAME ORIGIN: Named for the locality. LOCALITY: Felbertal valley, Salzburg Province, Austria. Felsobanyaite     Al4(SO4)(OH)10 • 5(H2O) NAME ORIGIN: Named for the locality. LOCALITY: Baia Sprie, Maramures, Romania (formerly known as Felsobanya, in Hungary). Fenaksite     (K,Na,Ca)4(Fe++,Fe+++,Mn)2Si8O20(OH,F) NAME ORIGIN: Named for the Fe, Na, K, and Si in the formula. Fencooperite !     Ba6Fe+++3Si8O23(CO3)2Cl3 • H2O NAME ORIGIN: Named for Joseph Fenimore Cooper, Jr. (1937-), mineral collector of Santa Cruz, California, USA. Fer *  (see Iron ) See Also: GOOGLE, Athena, MinDAT, MinMax Ferberite     Fe++WO4 NAME ORIGIN: Named after Moritz Rudolph Ferber (1805-1875) of Gera, Germany. Ferchromide     Cr3Fe1-x(x=0,6) NAME ORIGIN: For the chemical composition, FERrum, iron, and CHROMium. Ferdisilicite *     FeSi2 Fergusonite-(Ce) *     (Ce,La,Y)NbO4 NAME ORIGIN: For the relationship to fergusonite-(Y) and the cerium content. Fergusonite-(Nd) *     (Nd,Ce)(Nb,Ti)O4 NAME ORIGIN: Named for the composition and a member of the fergusonite group. Fergusonite-(Y)     YNbO4 NAME ORIGIN: Named for Robert Ferguson (1767-1840), Scottish advocate, politician, and mineralogist. Fergusonite-beta-(Ce)     (Ce,La,Nd)NbO4 NAME ORIGIN: Named for the dimorphous relationship to fergusonite-(Ce). Fergusonite-beta-(Nd)     (Nd,Ce)NbO4 NAME ORIGIN: Named for the dimorphous relationship to fergusonite-(Nd). Fergusonite-beta-(Y)     YNbO4 Fermorite     (Ca,Sr)5(AsO4,PO4)3(OH) Fernandinite     CaV8O20 • 4(H2O) NAME ORIGIN: Named for Eulagio E. Fernanadini, former owner of the Minasragra deposit. Feroxyhyte     Fe+++O(OH) NAME ORIGIN: Named for the composition (Ferric, Oxygen, Hydroxide). Ferrarisite     Ca5(AsO3OH)2(AsO4)2 • 9(H2O) Ferrazite ?     (Pb,Ba)3(PO4)2 • 8(H2O) (?) NAME ORIGIN: Named in 1919 for Jorge Palmiro de Araujo Ferraz (1883-1926) of the Geological Survey of Brazil. Ferri-annite *  (see Tetra-ferri-annite ) See Also: GOOGLE, Athena, MinDAT, MinMax Ferri-clinoferroholmquistite !     [ ]Li2(Fe+++2Fe++3)Si8O22(OH)2 NAME ORIGIN: Named for Johan Holmquist (1866-1946) and the Fe++ and Fe+++ clinoamphiboles. Ferri-clinoholmquistite !     [ ]Li2Mg3(Fe3+)2(Si8O22)(OH)2 NAME ORIGIN: The name reflects its composition, monoclinic crystal structure, and relationship to holmquistite in accord with the nomenclature of Leake (1978a, 1978b) Ferri-ferrobarroisite !     [ ]CaNa(Fe++)3(Fe+++)2(Si7Al)O22(OH)2 Ferri-ferrotschermakite !     [ ]Ca2(Fe2+)3(Fe3+)2(Si6Al2)O22(OH)2 NAME ORIGIN: Named for its composition and for Gustav Tschermak von Sessenegg (1836-1927), Austrian mineralogist. Ferri-magnesiotaramite !     NaCaNaMg3Fe+++2[Si6Al2O22](OH)2 NAME ORIGIN: Proposed IMA amphibole committee endmember name 1987. Ferri-ottoliniite !     [ ](Na,Li)(Mg3Fe+++2)Si8O22(OH)2 NAME ORIGIN: Named for Luisa Ottolini (b. 1954), of CNR - Istituto di Geoscienze e Georisorse, Pavia, Italy, for her fundamental contributions to the advancement of ion-probe analysis of rock-forming Ferri-phlogopite *  (see Tetra-ferriphlogopite ) See Also: GOOGLE, Athena, MinDAT, MinMax Ferriallanite-(Ce) !     CaCe(Fe+++,Fe++,Al)3[SiO4][Si2O7]O(OH) NAME ORIGIN: Named as the Fe3+ analogue of allanite-(Ce) Ferriannite *  (see Tetra-ferri-annite ) See Also: GOOGLE, Athena, MinDAT, MinMax Ferribarroisite     CaNa(Fe++,Mg)3Fe+++2[AlSi7O22](OH)2 Ferribiotite *  (see Tetra-ferri-annite ) See Also: GOOGLE, Athena, MinDAT, MinMax Ferribrackebushite *  (see Calderonite ) See Also: GOOGLE, Athena, MinDAT, MinMax Ferric-ferronyboite !     NaNa2(Fe++)3(Fe+++)2(Si7Al)O22(OH)2 Ferric-nyboite *  (see Obertiite ) See Also: GOOGLE, Athena, MinDAT, MinMax Ferrichromite-magnetic, altered *  (see Chromite ) See Also: GOOGLE, Athena, MinDAT, MinMax Ferricopiapite     Fe+++2/3Fe+++4(SO4)6(OH)2 • 20(H2O) Ferridravite *  (see Povondraite ) See Also: GOOGLE, Athena, MinDAT, MinMax Ferrierite *  (see Ferrierite-Na ) See Also: GOOGLE, Athena, MinDAT, MinMax Ferrierite-K !     (K,Na)2Mg(Si,Al)18O36 • 9(H2O) NAME ORIGIN: Named for Walter Frederick Ferrier (1865-1950), Canadian geologist and mining engineer. The K-dominant member of the ferrierite series. Ferrierite-Mg     (Mg,Na,K)2Mg(Si,Al)18O36 • 9(H2O) NAME ORIGIN: Named for Walter Frederick Ferrier (1865-1950), Canadian geologist and mining engineer. Mg modifier added by zeolite nomenclature committee. Ferrierite-Na !     (Na,K)2Mg(Si,Al)18O36 • 9(H2O) NAME ORIGIN: Named for Walter Frederick Ferrier (1865-1950), Canadian geologist and mining engineer. Na-dominant member of the ferrierite series. Ferrihydrite     Fe+++2O3 • 0.5(H2O) NAME ORIGIN: Named for the composition as a hydrated ferric iron compound. Ferrikatophorite     Na2Ca(Fe++,Mg)4Fe+++(Si7Al)O22(OH)2 NAME ORIGIN: Named for its composition and from the Greek for "carrying down", in allusion to its volcanic origin. Ferrilotharmeyerite     Ca(Zn,Cu++)(Fe+++,Zn)(AsO4)2(OH,H2O)2 NAME ORIGIN: As the ferric iron analog of lotharmeyerite Ferrimolybdite     Fe+++2(MoO4)3 • 8(H2O) NAME ORIGIN: Named from its chemical composition. Ferrinatrite     Na3Fe+++(SO4)3 • 3(H2O) NAME ORIGIN: Named after its chemical composition of FERRIc iron and NATRIum (Sodium). Ferripedrizite !     NaLi2(Fe+++2Mg2Li)Si8O22(OH)2 NAME ORIGIN: Named for the locality and as the ferric end member from the IMA-CNMMN and its Amphibole Subcommittee. LOCALITY: Eastern Pedriza Massif, Arroyo de la Yedra Valley, Sierra de Guadarrama, Spain. Ferripyrophyllite     Fe+++2Si4O10(OH)2 NAME ORIGIN: Named as the Fe+++ analog of pyrophyllite. Ferrisadanagaite-K *  (see Potassicferrisadanagaite ) See Also: GOOGLE, Athena, MinDAT, MinMax Ferrisicklerite     Li(Fe+++,Mn++)PO4 Ferristilpnomelane-high Fe+++ *  (see Stilpnomelane ) See Also: GOOGLE, Athena, MinDAT, MinMax Ferristrunzite     Fe+++Fe+++2(PO4)2(OH)3 • 5(H2O) NAME ORIGIN: Named for its composition and for Hugo Strunz (1910-), mineralogist, Berlin, who authored the Strunz system of mineral classification. Ferrisurite     (Pb,Cu)2-3(CO3)1.5-2(OH,F)0.5-1[(Fe,Al)2Si4O10(OH)2] • n(H2O) NAME ORIGIN: Named for its composition and relationship to surite. Ferrisymplesite     Fe+++3(AsO4)2(OH)3 • 5(H2O) Ferritaramite     Na(CaNa)(Fe++,Mg)3Fe+++2[Si6Al2O22](OH)2 NAME ORIGIN: Named after the chemical composition and the locality. LOCALITY: Wali-tarama, Mariupol, Ukraine. Ferritschermakite     Ca2(Fe++,Mg)3Al2(Si7Al)O22(OH)2 NAME ORIGIN: Named for its composition and for Gustav Tschermak von Sessenegg (1836-1927), Austrian mineralogist. Ferritungstite     (K,Ca,Na)(W++++++,Fe+++)2(O,OH)6 • (H2O) NAME ORIGIN: Named for FERRIc iron and TUNGsten in its composition. ferritungstite *  (see Meymacite ) See Also: GOOGLE, Athena, MinDAT, MinMax Ferriwhittakerite !     Na(NaLi)(Mg2Fe+++2Li)Si8O22(OH)2 NAME ORIGIN: Named for Eric J.W. Whittaker (1921-), of Oxford University, who did pioneering work in amphibole crystal-chemistry. Ferriwinchite     NaCaMg4Fe+++Si8O22(OH)2 NAME ORIGIN: Named for its composition and for Howard J. Winch, Geological survey of India. Ferro-actinolite     [ ]Ca2Fe++5Si8O22(OH)2 Ferro-alluaudite *  (see Ferroalluaudite ) See Also: GOOGLE, Athena, MinDAT, MinMax Ferro-aluminoceladonite !     K2Fe++2Al2Si8O20(OH)4 NAME ORIGIN: Named from its composition (Fe++,Al) and the French 'celadon,' sea-green, in allusion to its common color. Ferro-aluminotschermakite *     Ca2Fe++3Al2(Si7Al)O22(OH)2 NAME ORIGIN: Named for its composition and for Gustav Tschermak von Sessenegg (1836-1927), Austrian mineralogist. Ferro-anthophyllite     [ ]Fe++7Si8O22(OH)2 NAME ORIGIN: From its composition and from the Latin anthophyllum - "clove" in allusion to the color. Ferro-eckermannite     NaNa2(Fe++4Al)Si8O22(OH)2 Ferro-edenite     NaCa2Fe++5Si7AlO22(OH)2 NAME ORIGIN: Named for the composition and the relationship to edinite. Ferroalluaudite     NaCaFe++(Fe++,Mn,Fe+++,Mg)2(PO4)3 NAME ORIGIN: For dominant ferrous iron content and relationship to alluaudite. Ferroaxinite     Ca2Fe++Al2BO3Si4O12(OH) NAME ORIGIN: From the Greek acine - "ax" in allusion to the acute shape of typical crystals and the Latin - ferrum - "iron" in reference to the Fe in the chemical formula. Ferrobarroisite     [ ](CaNa)Fe++3AlFe+++Si7AlO22(OH)2 Ferrobustamite     Ca(Fe++,Ca,Mn)Si2O6 NAME ORIGIN: For FERROan iron in its composition and its relation to bustamite. Ferrocarpholite     (Fe++,Mg)Al2Si2O6(OH)4 Ferroceladonite !     K2Fe++Fe+++Si8O20(OH)4 NAME ORIGIN: Named from its composition (Fe++) and the French 'celadon,' sea-green, in allusion to its common color. Ferrochloropargasite *     NaCa2(Fe++4Al)Si6Al2O22Cl2 NAME ORIGIN: Named as the chlorine analog of ferropargasite. Ferroclinoholmquistite *  (see Clinoferroholmquistite ) See Also: GOOGLE, Athena, MinDAT, MinMax Ferrocolumbite     Fe++Nb2O6 NAME ORIGIN: Named after its content of the element niobium, formerly called columbium and the Latin ferrium - "iron." Ferroferribarroisite *     CaNa(Fe++,Mg)3Fe+++2[AlSi7O22](OH)2 Ferroferritschermakite *     Ca2(Fe++,Mg)3Fe+++2(Si7Al)O22(OH)2 NAME ORIGIN: Named for its composition and for Gustav Tschermak von Sessenegg (1836-1927), Austrian mineralogist. Ferroferriwinchite *     CaNa(Fe++,Mg)4Fe+++[Si8O22](OH)2 NAME ORIGIN: Named for its composition and for Howard J. Winch, Geological survey of India. Ferrogedrite     [ ]Fe++5Al2Si6Al2O22(OH)2 NAME ORIGIN: Named for its composition and the original gederite location at Heas, Gedres, France. Ferroglaucophane     [ ]Na2(Fe++3Al2)Si8O22(OH)2 Ferrohagendorfite *     (Na,Ca)2Fe++(Fe++,Fe+++)2(PO4)3 NAME ORIGIN: Named for the locality and the iron-rich end member of hagendorfite. LOCALITY: Hagendorf, Barvaria, Germany. Ferrohexahydrite     Fe++SO4 • 6(H2O) NAME ORIGIN: Named for the composition, FERROus iron and HEXAHYDrate in allusion to the six water molecules in the crystal structure. Ferrohogbomite-2N2S !     (Fe++,Zn,Mg,Al)6Al14(Ti,Fe)2O30(OH)2 NAME ORIGIN: Named as the Fe-dominant member of the hogbomite series. Ferroholmquistite     [ ](Li2Fe++3Al2)Si8O22(OH)2 NAME ORIGIN: The name reflects its composition and relationship to holmquistite.. Ferrohornblende     [ ]Ca2[Fe++4(Al,Fe+++)]Si7AlO22(OH)2 NAME ORIGIN: For its ferrous iron content and from the German for horn and to deceive, in allusion to its similarity to valuable minerals in ores. Ferrokaersutite     NaCa2(Fe++4Ti)Si6Al2O22(OH)2 Ferrokentbrooksite !     Na15Ca6(Fe,Mn)3Zr3NbSi25O73(O,OH,H2O)3(Cl,F,OH)2 NAME ORIGIN: Named as the Fe-analogue of kentbrooksite. Ferrokesterite     Cu2(Fe,Zn)SnS4 NAME ORIGIN: Named for its relationship to kesterite. Ferrokinoshitalite !     (Ba,K)(Fe++,Mg)3(Si2Al2)O10 (OH,F)2 NAME ORIGIN: The name reflects the mineral’s iron content and relationship to kinoshitalite. Ferrolaueite *     Fe++Fe+++2(PO4)2(OH)2 • 8(H2O) NAME ORIGIN: Named as the ferrous analog of laueite. Ferroleakeite !     NaNa2(Fe++)3(Fe+++)2Li(Si8O22)(OH)2 Ferronickelplatinum     Pt2FeNi NAME ORIGIN: Named for the composition (Fe, Ni, Pt). Ferronigerite-2N1S     (Zn,Mg,Fe++)(Sn,Zn)2(Al,Fe+++)12O22(OH)2 NAME ORIGIN: Named after its locality and FERRO (Iron). (S=Spinel, N=Nolanite Layers). LOCALITY: Egbe district, Nigeria, Africa. Ferronigerite-6N6S !     (Fe++,Zn)4Sn2(Al,Fe+++)15O30(OH)2 NAME ORIGIN: Named after its locality and FERRO (Iron). (S=Spinel, N=Nolanite Layers). LOCALITY: Nigeria, Africa. Ferronordite-(Ce) !     Na3SrCeFe++Si6O17 NAME ORIGIN: Named as the Fe++ dominant analogue of nordite-(Ce). Nordite series is named after the word for north because of its northern origin in the Lovozero Massif. Ferronordite-(La) !     Na3Sr(La,Ce)FeSi6O17 NAME ORIGIN: La dominant analog of ferronordite-(Ce). Ferronyboite !     NaNa2(Fe++)3Al2(Si7Al)O22(OH)2 Ferropargasite     NaCa2(Fe++4Al)Si6Al2O22(OH)2 Ferropumpellyite *  (see Pumpellyite-(Fe++) ) See Also: GOOGLE, Athena, MinDAT, MinMax Ferropyrosmalite     (Fe++,Mn)8Si6O15(OH,Cl)10 NAME ORIGIN: Iron rich end member of pyrosmalite. Ferrorhodsite     (Fe,Cu)(Rh,Ir,Pt)2S4 NAME ORIGIN: For it's composition and relationship to cuprorhodsite. Ferrorichterite     Na(CaNa)Fe++5[Si8O22](OH)2 Ferrorosemaryite !     [ ]NaFe++Fe+++Al(PO4)3 NAME ORIGIN: Named as the Fe-dominant analogue of rosemaryite. Ferrosaponite !     Ca0.3(Fe++,Mg,Fe+++)3(Si,Al)4O10(OH)2 • 4(H2O) NAME ORIGIN: Named as the Fe2+ dominant analog of saponte. Ferroschallerite *  (see Nelenite ) See Also: GOOGLE, Athena, MinDAT, MinMax Ferroselite     FeSe2 NAME ORIGIN: For the composition. Ferrosilite     (Fe++,Mg)2Si2O6 NAME ORIGIN: Named for its composition (Ferrous Silicate). Ferrostilpnomelane-low Fe+++ *  (see Stilpnomelane ) See Also: GOOGLE, Athena, MinDAT, MinMax Ferrostrunzite     Fe++Fe+++2(PO4)2(OH)2 • 6(H2O) NAME ORIGIN: Named for its composition and for Hugo Strunz (1910-), mineralogist, Berlin, who authored the Strunz system of mineral classification. Ferrotaaffeite-6N3S     (Fe++,Zn,Mg)2Al6BeO12 NAME ORIGIN: Named as the FERRous analog of magnesiotaaffeite. (S=Spinel, N=Nolanite Layers). Ferrotantalite     Fe++Ta2O6 NAME ORIGIN: Named for the FERROus iron and from the Greek, Tantalos = father of Niobe. Ferrotapiolite     (Fe++,Mn++)(Ta,Nb)2O6 NAME ORIGIN: Named after the god Tapio of Finnish mythology and the Latin ferrium - "iron." Ferrotitanowodginite !     Fe++TiTa2O8 NAME ORIGIN: The name reflects its composition and relationship to wodginite. Ferrotschermakite !     [ ]Ca2(Fe++3AlFe+++)Si6Al2O22(OH) NAME ORIGIN: Named for its composition and for Gustav Tschermak von Sessenegg (1836-1927), Austrian mineralogist. Ferrotychite     Na6Fe++2(SO4)(CO3)4 Ferrowinchite     [ ](CaNa)Fe++4(Al,Fe+++)Si8O22(OH)2 NAME ORIGIN: Named for its composition and for Howard J. Winch, Geological survey of India. Ferrowodginite     Fe++SnTa2O8 Ferrowyllieite     (Na,Ca,Mn)(Fe++,Mn)(Fe++,Fe+++,Mg)Al(PO4)3 NAME ORIGIN: Dominant ferrous iron and relationship to wyllieite. Ferruccite     NaBF4 NAME ORIGIN: Named for Ferruccio Zambonini. Fersilicite *     FeSi Fersmanite     Ca4(Na,Ca)4(Ti,Nb)4(Si2O7)2O8F3 NAME ORIGIN: Named for Alexander Yevgenievich Fersman (1883-1945), Russian mineralogist and geochemist. Fersmite     (Ca,Ce,Na)(Nb,Ta,Ti)2(O,OH,F)6 NAME ORIGIN: Named for Aleksandr Evgenevich Fersman (1883-1945), eminent Russian mineralogist, geochemist, and gemologist. Feruvite !     (Ca,Na)(Fe,Mg,Ti)3(Al,Mg,Fe)6(BO3)3Si6O18(OH)4 NAME ORIGIN: Named for the iron content and relationship to uvite. Feruvite - (61.3.1.4) *  (see Feruvite ) See Also: GOOGLE, Athena, MinDAT, MinMax Fervanite     Fe+++4(VO4)4 • 5(H2O) NAME ORIGIN: Named for its composition. Fetiasite     (Fe++,Fe+++,Ti++++)3O2(As+++2O5) NAME ORIGIN: For the Fe, Ti, and As in its chemical composition. Fettelite !     Ag24HgAs5S20 NAME ORIGIN: Named for M. Fettel, an experienced mineral collector who found the mineral. Fianelite !     Mn++2V+++++(V+++++,As+++++)O7 • 2(H2O) NAME ORIGIN: Named after its locality. LOCALITY: The Fianel mine, Val Ferrera, Canton Graubunden, Switzerland. Fibroferrite     Fe+++(SO4)(OH) • 5(H2O) NAME ORIGIN: From the Latin, fibra, meaning "fibre" and ferrum, meaning "iron." Fibrolite *  (see Sillimanite ) See Also: GOOGLE, Athena, MinDAT, MinMax Fichtelite     C19H34 NAME ORIGIN: Named for the locality LOCALITY: Redwitz, Fichtel Mts, Bayern (Bavaria), Germany Fiedlerite     Pb3Cl4F(OH)2 NAME ORIGIN: Named for K.G. Fiedler, superintendant of the Laurion mines. Filatovite !     K[(Al,Zn)2(As,Si)2O8] NAME ORIGIN: Named for Stanislav K. Filatov (b. 1940), Professor, Department of Crystallography, St. Petersburg State University, St. Petersburg, Russia. Filipstadite     (Mn++,Mg)4Sb+++++Fe+++O8 NAME ORIGIN: Named for the town of Filipstad, Sweden, which is near the mine. Fillowite     Na2Ca(Mn,Fe++)7(PO4)6 NAME ORIGIN: Named for Abijah N. Fillow (1822-1895), of Branchville, Connecticut, who supplied minerals from his quarry at the locality. LOCALITY: Branchville, Fairfield County, Connecticut, USA. Fingerite     Cu11(VO4)6O2 Finnemanite     Pb5(As+++O3)3Cl NAME ORIGIN: Named for K.J. Finneman who discovered the mineral. Fire Blende *  (see Pyrostilpnite ) See Also: GOOGLE, Athena, MinDAT, MinMax Fire Opal - red *  (see Opal ) See Also: GOOGLE, Athena, MinDAT, MinMax Fischesserite     Ag3AuSe2 NAME ORIGIN: For Raymond Fischesser, Director of the National School of Mines, Paris, France. Fizelyite     Pb14Ag5Sb21S48 (?) NAME ORIGIN: For Sandor Fizely, mining engineer, who discovered the mineral. Flagstaffite     C10H22O3 Fleischerite     Pb3Ge(SO4)2(OH)6 • 3(H2O) Fletcherite     Cu(Ni,Co)2S4 NAME ORIGIN: For the Fletcher mine, Reynolds Co., Missouri, USA. Flinkite     Mn++2Mn+++(AsO4)(OH)4 Flint - microcrystalline quartz *  (see Quartz ) See Also: GOOGLE, Athena, MinDAT, MinMax Florencite-(Ce)     CeAl3(PO4)2(OH)6 NAME ORIGIN: Named for W. Florence and its cerium content. Florencite-(La)     (La,Ce)Al3(PO4)2(OH)6 NAME ORIGIN: Named for W. Florence and its lanthanum content. Florencite-(Nd)     (Nd,Ce)Al3(PO4)2(OH)6 NAME ORIGIN: Named for W. Florence and its neodymium content. Florenskyite !     (Fe,Ni)TiP NAME ORIGIN: Named for Cyrill P. Florensky (1915-19820, Russian geochemist, who is one of the founders of Colleagues in the Laboratory of Comparative Planetology. Florensovite     Cu(Cr1.5Sb0.5)S4 NAME ORIGIN: Named in 1989 for Nikolai A. Florensov (1909-1986), Russian geologist. Fluckite     CaMn(HAsO4)2 • 2(H2O) NAME ORIGIN: Named for Pierre Fluck, Mineralogist at Louis Pasteur University, Strasbourg, France. Fluellite     Al2(PO4)F2(OH) • 7(H2O) NAME ORIGIN: Named for the chemical compositon of fluorine (Latin, fluere = "to flow"). Fluoborite     Mg3(BO3)(F,OH)3 Fluocerite *  (see Fluocerite-(La) ) See Also: GOOGLE, Athena, MinDAT, MinMax Fluocerite-(Ce)     (Ce,La)F3 NAME ORIGIN: Named after its chemical composition containing fluorine (Latin, fluere = "to flow") and cerium (Named after the asteroid Ceres). Fluocerite-(La)     (La,Ce)F3 NAME ORIGIN: Named after its chemical composition containing fluorine (Latin, fluere = "to flow") and cerium (Named after the asteroid Ceres) with the modifier La-lanthanum (Greek, lanthanein = "to li Fluor edenite *  (see Fluoro-edenite ) See Also: GOOGLE, Athena, MinDAT, MinMax Fluor Spar *  (see Fluorite ) See Also: GOOGLE, Athena, MinDAT, MinMax Fluorannite !     KFe++3AlSi3O10F2 NAME ORIGIN: Named as fluorine-rich annite. Fluorapatite     Ca5(PO4)3F NAME ORIGIN: Named as the fluorine end-member and from the Greek apatao - "I am misleading." Fluorapophyllite     (K,Na)Ca4Si8O20(F,OH) • 8(H2O) NAME ORIGIN: From the Greek apophylliso - "it flakes off." and the composition containing fluorine; Fluorbritholite-(Ce)     (Ca,Ce,La,Na)5(SiO4,PO4)3(OH,F) NAME ORIGIN: For the relationship to Britholite-Ce the fluorine content. Fluorcaphite !     (Ca,Sr,Ce,Na)5(PO4)3F NAME ORIGIN: Named after its composition of fluorine, calcium, and phosphorous. Fluorellestadite     Ca5(SiO4,PO4,SO4)3(F,OH,Cl) NAME ORIGIN: Named for the composition and Reuben B. Ellestad (1900-1993), American analytical chemist of Minneapolis, Minnesota, USA. Fluorite     CaF2 NAME ORIGIN: Named after its composition containing fluorine (Latin, fluere = "to flow"). Fluoro-edenite !     NaCa2Mg5Si7AlO22(F,OH)2 NAME ORIGIN: Named as the fluorine dominant member of the edenite series. Fluoro-ferroleakeite     NaNa2(Fe++2Fe+++2Li)Si8O22F2 NAME ORIGIN: Named after its composition containing fluorine and iron and with the mineral leakeite. Fluoro-magnesio-arfvedsonite !     NaNa2(Mg,Fe++)4Fe+++[Si8O22](F,OH)2 NAME ORIGIN: Named as the fluorine-dominant member of magnesio-arfvedsonite. Fluoro-magnesiohastingsite *     (K,Na)Ca2(Mg,Fe++)4Fe+++[Si6Al2O22](F,OH)2 NAME ORIGIN: Named for the chemistry and relationship to hastinsite. Fluoro-sodic-pedrizite !     NaLi2(Mg2Al2Li)S5Si8O22F2 NAME ORIGIN: Commission on New Minerals and Mineral Names (CNMMN) Fluorocannilloite !     CaCa2(Mg4Al)Si5Al3O22F2 NAME ORIGIN: Named as the fluorine-rich end member of cannilloite. Fluoronyboite !     NaNa2(Al2Mg3)(Si7Al)O22(F,OH)2 NAME ORIGIN: Named as the fluorine-dominant member of the nyboitic amphiboles. Fluororichterite !     Na(CaNa)Mg5[Si8O22]F2 Fluorthalenite-(Y) !     Y3Si3O10F NAME ORIGIN: Named as the F analog of thalenite-(Y). Fluorvesuvianite !     Ca19(Al,Mg)13[SiO4]10[Si2O7]4(F,OH)10 NAME ORIGIN: Named as the fluorine-dominant analog of vesuvainite. Foggite     CaAl(PO4)(OH)2 • (H2O) NAME ORIGIN: Named for Forrest. F. Fogg (1920-), mineral collector, New Hampshire, USA. Foitite !     [ ]Na<0.5(Fe++,Al)3Al6Si6O18(BO3)3(OH)4 NAME ORIGIN: Named for Ranklin F. Foit, Jr. (1942-), mineralogist, Washington State Univerisity, Washington, USA. Foitite - (61.3.1.1) *  (see Foitite ) See Also: GOOGLE, Athena, MinDAT, MinMax Fontanite     Ca[(UO2)3(CO3)2O2] • 6(H2O) NAME ORIGIN: Named for Francois Fontan, mineralogist, University of Paul-Sabatier, Toulouse, France. Fool's Gold *  (see Pyrite ) See Also: GOOGLE, Athena, MinDAT, MinMax Foordite     Sn++(Nb,Ta)2O6 Footeite *  (see Connellite ) See Also: GOOGLE, Athena, MinDAT, MinMax Formanite-(Y)     YTaO4 NAME ORIGIN: Named for Francis Gloster Forman (1904-1980), government geologist. Formicaite !     Ca(HCOO)2 NAME ORIGIN: Named after its composition. Fornacite     Pb2Cu(CrO4)(AsO4)(OH) NAME ORIGIN: Named for Lucien Lewis Forneau (1867-1930), Colonial Governor of the French Congo. Forsterite     Mg2SiO4 NAME ORIGIN: Named for Johann Forster, German naturalist. Foshagite     Ca4Si3O9(OH)2 NAME ORIGIN: Named for William Fredrick Foshag (1894-1956), mineralogist and former curator at U. S. National Museum. Foshallasite     Ca3Si2O7 • 3(H2O) NAME ORIGIN: Named for Willian Frederick Foshag (1984-1956), American mineralogist, and for the mineral centrallasite (now named gyrolite). Fougerite !     (Fe++,Mg)6Fe+++2(OH)18 • 4(H2O) NAME ORIGIN: Named for the locality. LOCALITY: Discovered coloring (green) the soil of the Fougères Forest in the Ille-et-Vilaine region of France Fourmarierite     Pb(UO2)4O3(OH)4 • 4(H2O) NAME ORIGIN: Named for Paul Fourmarier(1877-1970, Belgian geologist and Professor of Geology at the University of Liege, Belgium. Fowlerite - Zn *  (see Rhodonite ) See Also: GOOGLE, Athena, MinDAT, MinMax Fraipontite     (Zn,Al)3(Si,Al)2O5(OH)4 NAME ORIGIN: Named for Julien Jean Joseph Fraipont (1857-1910), and Charles Fraipont, of Liege, Belgium, both geologists and paleontologists. Francevillite     (Ba,Pb)(UO2)2V2O8 • 5(H2O) NAME ORIGIN: Named for the locality LOCALITY: Mounana mine, Franceville, Haut-Ogooué, Gabon Franciscanite-III     Mn++6V+++++2Si2(O,OH)14 NAME ORIGIN: Named after the Miocene age Franciscan Formation. Franciscanite-VIII     Mn++3(V+++++,[ ])1-x(SiO4)(O,OH)3(x=0.5) NAME ORIGIN: Named after the Miocene-aged Franciscan Formation in California, USA.. Francisite     Cu3Bi(SeO3)2O2Cl NAME ORIGIN: Named for Glyn Francis (1939-), Quality Control Officer at the Iron Monarch quarry, Australia who collected the mineral. Franckeite     (Pb,Sn)6Fe++Sn2Sb2S14 NAME ORIGIN: Named after the mining engineers, Carl and Ernest Francke. Francoanellite     H6(K,Na)3(Al,Fe+++)5(PO4)8 • 13(H2O) NAME ORIGIN: Named for Franco Anelli, professor of geography, University of Bari, Italy, who discovered the cave in which the mineral was found. Francoisite-(Nd)     (Nd,Y,Sm,Ce)(UO2)3(PO4)2O(OH) • 6(H2O) NAME ORIGIN: Named for Armand Francois (1922-), former Director of Geology for Gecamine and the dominant neodymium content. Francolite *  (see Carbonate-fluorapatite ) See Also: GOOGLE, Athena, MinDAT, MinMax Franconite     Na2Nb4O11 • 9(H2O) NAME ORIGIN: Named for the locality. LOCALITY: Francon Quarry, Montreal Island, Quebec, Canada. Frankamenite !     K3Na3Ca5(Si12O30)[F,(OH)]4 • (H2O) NAME ORIGIN: Named after V.A. Frank-Kamenetsky (1915-1994), Russian mineralogist-crystallographer. Frankdicksonite     BaF2 Frankhawthorneite     Cu2Te++++++O4(OH)2 NAME ORIGIN: Named after Prof. Frank Christopher Hawthorne (1946-), University of Manitoba, Winnipeg, Canada. Franklinfurnaceite     Ca2(Fe+++,Al)Mn+++Mn++3Zn2Si2O10(OH)8 Franklinite     (Zn,Mn++,Fe++)(Fe+++,Mn+++)2O4 NAME ORIGIN: Named after its locality which was named after Benjamin Franklin (1706-1790), American scientist and inventor. LOCALITY: Dominant ore mineral at Franklin and Sterling Hill, New Jersey, USA. Franklinphilite     (K,Na)4(Mn++,Mg,Zn)48(Si,Al)72(O,OH)216 • 6(H2O) NAME ORIGIN: Named after its locality and from the Greek philos = 'friend.' The 'friends of Franklin' are those scientific investigators who helped study the unique mineralogy and geology of this dep LOCALITY: Franklin mine, Sussex County, New Jersey. Fransoletite     H2Ca3Be2(PO4)4 • 4(H2O) NAME ORIGIN: Named for A.M. Fransolet Franzinite     [(Na,K)30Ca10][Si30Al30O120](SO4)10 • 2(H2O) NAME ORIGIN: For Marco Franzini, Professor of Mineralogy, University of Pisa, Pisa, Italy. Freboldite     CoSe NAME ORIGIN: For Professor Georg Frebold of Hannover, Germany. Fredrikssonite     Mg2(Mn+++,Fe+++)O2(BO3) NAME ORIGIN: Named for Kurt A. Fredriksson (1926-), Swedish-U.S. Geochemist. Freedite     Pb8Cu+(As+++O3)2O3Cl5 NAME ORIGIN: Named for Robert L. Freed (1950-), U.S. Mineralogist. Freibergite     (Ag,Cu,Fe)12(Sb,As)4S13 NAME ORIGIN: Named after its locality. LOCALITY: Freiberg district, Saxony. Freieslebenite     AgPbSbS3 NAME ORIGIN: For Johann Karl Freiesleben (1774-1846), Mining Commissioner of Saxony, Germany. Fremontite *  (see Natromontebrasite ) See Also: GOOGLE, Athena, MinDAT, MinMax Fresnoite     Ba2TiSi2O8 NAME ORIGIN: Named after it's locality. LOCALITY: Big Creek - Rush Creek sanbornite deposit, 5 miles NE of Trimmer, Fresno Co. California. Freudenbergite     Na2Fe+++2Ti6O16 NAME ORIGIN: Named for Wilhelm Freudenberg (1881-), German geologist, who studied the rocks of Odenwald, Germany, where the mineral was found. Friedelite     Mn8Si6O15(OH,Cl)10 NAME ORIGIN: Named for Charles Friedel (1832-1899), French chemist and mineralogist. Friedrichite     Pb5Cu5Bi7S18 NAME ORIGIN: For Professor Dr.-Ing O.M. Friedrich, of the Mining University, Leoben, Styria, Austria. Fritzscheite     Mn(UO2)2[(V,P)O4]2 • 4(H2O) NAME ORIGIN: Named for Karl Julius Fritzsche (1808-1871), German chemist. Frohbergite     FeTe2 NAME ORIGIN: For Dr. Max Hans Frohberg, mining geologist, Toronto, Canada. Frolovite     CaB2(OH)8 NAME ORIGIN: Named for the locality. LOCALITY: Novo-Frolvsk, Turinsk region, Ural Mountains, Russia. Frondelite     Mn++Fe+++4(PO4)3(OH)5 NAME ORIGIN: Named for Clifford Frondel (1907-2002), one of the founders of Mineralogical Society of America and one of the authors of Dana's Mineralogy, 7th edition. Froodite     PdBi2 NAME ORIGIN: For the Frood mine in Canada, in which it occurs. Fuchsite (Cr) *  (see Muscovite ) See Also: GOOGLE, Athena, MinDAT, MinMax Fuenzalidaite     K6(Na,K)4Na6Mg10(SO4)12(IO3)12 • 12(H2O) NAME ORIGIN: For Humberto Fuenzalida P. (1904-1966), who planned and directed the first school of geology at the University of Chile. Fukalite     Ca4Si2O6(CO3)(OH,F)2 NAME ORIGIN: Named for the locality. LOCALITY: Bicchu, Fuka, Okayama Prefecture, Japan. Fukuchilite     Cu3FeS8 NAME ORIGIN: For Nobuyo Fukuchi (1877-1934). Fulgurites *  (see Lechatelierite ) See Also: GOOGLE, Athena, MinDAT, MinMax Fullerene *  (see Fullerite ) See Also: GOOGLE, Athena, MinDAT, MinMax Fullerite !     C60 NAME ORIGIN: Named for Richard Buckminster Fuller (1895-1983), American architect and visionary. Invented the geodesic dome which illustrates the molecular morphology of fullerenes. Fuloppite     Pb3Sb8S15 NAME ORIGIN: For Dr. Bela Fulopp. Fundylite (calcite pseudomorphs) *  (see Ikaite ) See Also: GOOGLE, Athena, MinDAT, MinMax Furongite     Al2(UO2)(PO4)3(OH)2 • 8(H2O) Furutobeite     (Cu,Ag)6PbS4 NAME ORIGIN: Named for the locality. LOCALITY: Furutobe mine, Akita Prefecture, Japan.

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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