Mineral Specimen Images (F)

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

Fangite Image

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Fangite: Tl3AsS4  
Lorandite: TlAsS2

Comments: Brown crystals of fangite with red lorandite.
Location: Allchar, Roszdan, FYR Macedonia. Scale: Picture size 1.3 mm.
© Thomas Witzke / Abraxas-Verlag

Fangite Image

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Fangite: Tl3AsS4  
Lorandite: TlAsS2

Comments: Brown crystals of fangite with red lorandite.
Location: Allchar, Roszdan, FYR Macedonia. Scale: Picture size 1.3 mm.
© Thomas Witzke / Abraxas-Verlag

Farneseite Image

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Farneseite: (Na37K9Ca10)S56(Si42Al42)S84O168(SO4)12·6(H2O)

Comments: Crystal cluster of farneseite. Shown are the hexagonal truncated pyramid habit and terminations crossed by striations..
Location: Farnese, Viterbo province, Latium, Italy. Scale: Crystal size 1.2 mm.
© Gruppo Mineralogico Romano

Farneseite Image

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Farneseite: (Na37K9Ca10)S56(Si42Al42)S84O168(SO4)12·6(H2O)

Comments: Crystal cluster of farneseite. Shown are the hexagonal truncated pyramid habit and terminations crossed by striations..
Location: Farnese, Viterbo province, Latium, Italy. Scale: Crystal size 1.2 mm.
© Gruppo Mineralogico Romano

Farringtonite Image

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Farringtonite: Mg3(PO4)2

Comments: B&W BSE image of a fragment of farringtonite mounted in an epoxy grain mount.
Location: Springwater Pallasite, Saskatchewan, Canada (1931). Scale: See Image.
© Diederik Visser

Farringtonite Image

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Farringtonite: Mg3(PO4)2

Comments: B&W BSE image of a fragment of farringtonite mounted in an epoxy grain mount.
Location: Springwater Pallasite, Saskatchewan, Canada (1931). Scale: See Image.
© Diederik Visser

Faujasite-Ca Image

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Faujasite-Ca: (Ca,Na2,Mg)3.5[Al7Si17O48]·32(H2O)

Comments: Isolated colorless octahedra faujasite-Ca in basalt vesicules.
Location: Table Mountain, San Bernardino County, California, USA. Scale: See Image.
© Rruff Database

Faujasite-Ca Image

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Faujasite-Ca: (Ca,Na2,Mg)3.5[Al7Si17O48]·32(H2O)

Comments: Isolated colorless octahedra faujasite-Ca in basalt vesicules.
Location: Table Mountain, San Bernardino County, California, USA. Scale: See Image.
© Rruff Database

Faujasite-Mg Image

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Faujasite-Mg: (Mg,Na2,Ca)3.5[Al7Si17O48]·32(H2O)

Comments: Colorless octahedra of faujasite-Mg in basalt vesicles.
Location: Limburg Quarries, Sasbach, Kaiserstuhl, Baden-Wurttemberg, Germany. Scale: See Image.
© Rruff Database

Faujasite-Mg Image

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Faujasite-Mg: (Mg,Na2,Ca)3.5[Al7Si17O48]·32(H2O)

Comments: Colorless octahedra of faujasite-Mg in basalt vesicles.
Location: Limburg Quarries, Sasbach, Kaiserstuhl, Baden-Wurttemberg, Germany. Scale: See Image.
© Rruff Database

Faujasite-Na Image

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Faujasite-Na: (Na2,Ca,Mg)3.5[Al7Si17O48]·32(H2O)

Comments: Intergrown crystals of faujasite coated with opal.
Location: Kaiserstuhl, Baden-Wurttemburg, Germany. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Faujasite-Na Image

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Faujasite-Na: (Na2,Ca,Mg)3.5[Al7Si17O48]·32(H2O)

Comments: Intergrown crystals of faujasite coated with opal.
Location: Kaiserstuhl, Baden-Wurttemburg, Germany. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Faustite Image

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Faustite: (Zn,Cu)Al6(PO4)4(OH)8·4(H2O)

Comments: White botryoidal faustite on matrix.
Location: Rain Mine, Eureka County, Nevada, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Faustite Image

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Faustite: (Zn,Cu)Al6(PO4)4(OH)8·4(H2O)

Comments: White botryoidal faustite on matrix.
Location: Rain Mine, Eureka County, Nevada, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Fayalite Image

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Fayalite: Fe++2SiO4

Comments: Flattened crystals of fayalite on cristobalite.
Location: Coso Hot Springs, Inyo County, California. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Fayalite Image

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Fayalite: Fe++2SiO4

Comments: Flattened crystals of fayalite on cristobalite.
Location: Coso Hot Springs, Inyo County, California. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Fedorite Image

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Fedorite: KNa4Ca4(Al,Si)16O36(OH,F)4·6(H2O)  
Charoite: K5Ca8(Si6O15)2(Si2O7)Si4O9(OH)·3(H2O)

Comments: Tan crystalline platy fedorite in pale violet charoite.
Location: Murun, Republic of Sakha, Siberia, Russia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Fedorite Image

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Fedorite: KNa4Ca4(Al,Si)16O36(OH,F)4·6(H2O)  
Charoite: K5Ca8(Si6O15)2(Si2O7)Si4O9(OH)·3(H2O)

Comments: Tan crystalline platy fedorite in pale violet charoite.
Location: Murun, Republic of Sakha, Siberia, Russia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Fedorovskite Image

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Fedorovskite: Ca2(Mg,Mn)2B4O7(OH)6

Comments: Brown crystalline fedorovskite.
Location: Solongo, Republic of Buryatia, Siberia, Russia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Fedorovskite Image

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Fedorovskite: Ca2(Mg,Mn)2B4O7(OH)6

Comments: Brown crystalline fedorovskite.
Location: Solongo, Republic of Buryatia, Siberia, Russia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species
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