Mineral Specimen Images (F)

Mineral Specimen Images (F)
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Mineral Specimen Images (F) With 414 Images

Fluoro-magnesiohastingsite Image

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Fluoro-magnesiohastingsite: (Na,K)Ca2(Mg,Fe+++,Ti)5(Si,Al)8O22F2

Comments: Reddish brown aggregates of fluoro-magnesiohastingsite.
Location: Uroi Hill, Hunedoara County, Romania. Scale: Specimen size: 20x8x8 mm.
© Sergey Vasiliev / Systematic Mineralogy

Fluoro-magnesiohastingsite Image

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Fluoro-magnesiohastingsite: (Na,K)Ca2(Mg,Fe+++,Ti)5(Si,Al)8O22F2

Comments: Reddish brown aggregates of fluoro-magnesiohastingsite.
Location: Uroi Hill, Hunedoara County, Romania. Scale: Specimen size: 20x8x8 mm.
© Sergey Vasiliev / Systematic Mineralogy

Fluoropargasite Image

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Fluoropargasite: NaCa2(Mg3Fe++Al)5(Si6Al2O22)F2

Comments: Brown crystal of fluoropargasite.
Location: Edenville, Orange Co., New York, USA. Scale: specimen size is 11.0 X 8.0 X 7.0 cm.
© Erik Rutnik / New York State Museum

Fluoropargasite Image

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Fluoropargasite: NaCa2(Mg3Fe++Al)5(Si6Al2O22)F2

Comments: Brown crystal of fluoropargasite.
Location: Edenville, Orange Co., New York, USA. Scale: specimen size is 11.0 X 8.0 X 7.0 cm.
© Erik Rutnik / New York State Museum

Fluorophlogopite Image

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Fluorophlogopite: KMg3(AlSi3)O10F2

Comments: Books of fluorphlogopite from a magnesian skarn showing the basal cleaveage of the micas..
Location: Arebilovskoe phlogopite deposit, Aldan, Aldan Shield, Saha Republic (Sakha Republic; Yakutia), Eastern-Siberian Region, Russia. Scale: Specimen size is 3.5x2.5x0.8 cm.
© Pavel M. Kartashov

Fluorophlogopite Image

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Fluorophlogopite: KMg3(AlSi3)O10F2

Comments: Books of fluorphlogopite from a magnesian skarn showing the basal cleaveage of the micas..
Location: Arebilovskoe phlogopite deposit, Aldan, Aldan Shield, Saha Republic (Sakha Republic; Yakutia), Eastern-Siberian Region, Russia. Scale: Specimen size is 3.5x2.5x0.8 cm.
© Pavel M. Kartashov

Fluororichterite Image

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Fluororichterite: Na(CaNa)Mg5[Si8O22]F2

Comments: Doubly-terminated, stubby, black fluororichterite crystal.
Location: Wilberforce, Monmouth Township, Haliburton Co., Ontario, Canada. Scale: 22x21x15 mm.
© John Betts - Fine Minerals

Fluororichterite Image

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Fluororichterite: Na(CaNa)Mg5[Si8O22]F2

Comments: Doubly-terminated, stubby, black fluororichterite crystal.
Location: Wilberforce, Monmouth Township, Haliburton Co., Ontario, Canada. Scale: 22x21x15 mm.
© John Betts - Fine Minerals

Fluoro-sodic-pedrizite Image

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Fluoro-sodic-pedrizite: NaLi2(Mg2Al2Li)S5Si8O22F2  
Clinoholmquistite: [ ](Li2Mg3Al2)Si8O22(OH)2  
Magnesioclinoholmquistite: Li2(Mg,Fe++)3Al2Si8O22(OH)2

Comments: Dark blue fibrous clinoholmquistite with radiating structure, variety magnesioclinoholmquistite. Clinoholmsquitite may be a new aphibole, fluoro-sodic-pedrizite..
Location: Near Murun, Republic of Sakha, Siberia, Russia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Fluoro-sodic-pedrizite Image

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Fluoro-sodic-pedrizite: NaLi2(Mg2Al2Li)S5Si8O22F2  
Clinoholmquistite: [ ](Li2Mg3Al2)Si8O22(OH)2  
Magnesioclinoholmquistite: Li2(Mg,Fe++)3Al2Si8O22(OH)2

Comments: Dark blue fibrous clinoholmquistite with radiating structure, variety magnesioclinoholmquistite. Clinoholmsquitite may be a new aphibole, fluoro-sodic-pedrizite..
Location: Near Murun, Republic of Sakha, Siberia, Russia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Fluorvesuvianite Image

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Fluorvesuvianite: Ca19(Al,Mg)13[SiO4]10[Si2O7]4(F,OH)10

Comments: Acicular crystals of fluorvesuvianite in a clear, calcite matrix. (CanMin, v 41, p 1375).
Location: Lupikko iron mine, Pitkaranta, Karelia, Russia. Scale: Picture size 1.2 cm.
© Canadian Mineralogist

Fluorvesuvianite Image

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Fluorvesuvianite: Ca19(Al,Mg)13[SiO4]10[Si2O7]4(F,OH)10

Comments: Acicular crystals of fluorvesuvianite in a clear, calcite matrix. (CanMin, v 41, p 1375).
Location: Lupikko iron mine, Pitkaranta, Karelia, Russia. Scale: Picture size 1.2 cm.
© Canadian Mineralogist

Foggite Image

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Foggite: CaAl(PO4)(OH)2·(H2O)

Comments: Bright yellow, rounded crystalline aggregates of foggite on matrix.
Location: Palermo #1 mine, North Groton, Crafton County, New Hampshire, USA. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Foggite Image

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Foggite: CaAl(PO4)(OH)2·(H2O)

Comments: Bright yellow, rounded crystalline aggregates of foggite on matrix.
Location: Palermo #1 mine, North Groton, Crafton County, New Hampshire, USA. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Foitite Image

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Foitite: [ ]Na<0.5(Fe++,Al)3Al6Si6O18(BO3)3(OH)4

Comments: Dark greenish-black termination of foitite on pinkish elbaite.
Location: Dobra Voda, Moravia, Zapadocesky, Czech Republic. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Foitite Image

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Foitite: [ ]Na<0.5(Fe++,Al)3Al6Si6O18(BO3)3(OH)4

Comments: Dark greenish-black termination of foitite on pinkish elbaite.
Location: Dobra Voda, Moravia, Zapadocesky, Czech Republic. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Foordite Image

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Foordite: Sn++(Nb,Ta)2O6

Comments: Brownish massive foordite.
Location: Manono, Shaba (Katanga), Congo (Zaïre). Scale: Picture size 7 mm.
© Thomas Witzke / Abraxas-Verlag

Foordite Image

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Foordite: Sn++(Nb,Ta)2O6

Comments: Brownish massive foordite.
Location: Manono, Shaba (Katanga), Congo (Zaïre). Scale: Picture size 7 mm.
© Thomas Witzke / Abraxas-Verlag

Footemineite Image

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Footemineite: Ca2Mn++Mn++2Mn++2Be4(PO4)6(OH)4·6H2O

Comments: Yellow, barrel-shaped, prismatic footemineite crystal (AmMin v93:2.
Location: Foote Lithium Co. Mine (Foote Mine), Kings Mountain District, Cleveland Co., North Carolina, U.S.A. Scale: Crystal size 0.8 mm.
© American Mineralogist

Footemineite Image

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Footemineite: Ca2Mn++Mn++2Mn++2Be4(PO4)6(OH)4·6H2O

Comments: Yellow, barrel-shaped, prismatic footemineite crystal (AmMin v93:2.
Location: Foote Lithium Co. Mine (Foote Mine), Kings Mountain District, Cleveland Co., North Carolina, U.S.A. Scale: Crystal size 0.8 mm.
© American Mineralogist
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