Mineral Specimen Images (F)

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

Fervanite Image

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Fervanite: Fe+++4(VO4)4·5(H2O)  
Hewettite: CaV6O16·9(H2O)

Comments: Spherical aggregate of acicular microcrystals of fervanite with blocky hewettite.
Location: Gold Quarry Mine, Carlin Trend, Eureka County, Nevada, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Fervanite Image

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Fervanite: Fe+++4(VO4)4·5(H2O)  
Hewettite: CaV6O16·9(H2O)

Comments: Spherical aggregate of acicular microcrystals of fervanite with blocky hewettite.
Location: Gold Quarry Mine, Carlin Trend, Eureka County, Nevada, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Fetiasite Image

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Fetiasite: (Fe++,Fe+++,Ti++++)3O2(As+++2O5)

Comments: Sub metallic grayish black crystals of fetiasite on matrix.
Location: Gorb, Binntal, Wallis (Valais), Switzerland. Scale: Picture size 6 mm.
© Thomas Witzke / Abraxas-Verlag

Fetiasite Image

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Fetiasite: (Fe++,Fe+++,Ti++++)3O2(As+++2O5)

Comments: Sub metallic grayish black crystals of fetiasite on matrix.
Location: Gorb, Binntal, Wallis (Valais), Switzerland. Scale: Picture size 6 mm.
© Thomas Witzke / Abraxas-Verlag

Fettelite Image

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Fettelite: [Ag6As2S7][Ag10HgAs2S8]

Comments: Deep scarlet red crystals of fettelite.
Location: Glasberg Quarry, Nieder-Beerbach, Odenwald, Hesse, Germany. Scale: Picture size 1 mm.
© Thomas Witzke / Abraxas-Verlag

Fettelite Image

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Fettelite: [Ag6As2S7][Ag10HgAs2S8]

Comments: Deep scarlet red crystals of fettelite.
Location: Glasberg Quarry, Nieder-Beerbach, Odenwald, Hesse, Germany. Scale: Picture size 1 mm.
© Thomas Witzke / Abraxas-Verlag

Fianelite Image

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Fianelite: Mn++2V+++++(V+++++,As+++++)O7·2(H2O)

Comments: Small reddish-brown inclusions of fianelite in matrix.
Location: Fianel Mine, Val Ferrera, Grischun (Grisons; Graubünden), Switzerland. Scale: Picture size 1 mm.
© Thomas Witzke / Abraxas-Verlag

Fianelite Image

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Fianelite: Mn++2V+++++(V+++++,As+++++)O7·2(H2O)

Comments: Small reddish-brown inclusions of fianelite in matrix.
Location: Fianel Mine, Val Ferrera, Grischun (Grisons; Graubünden), Switzerland. Scale: Picture size 1 mm.
© Thomas Witzke / Abraxas-Verlag

Fibroferrite Image

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Fibroferrite: Fe+++(SO4)(OH)·5(H2O)

Comments: Tan-white, acicular crystals of fibroferrite on matrix.
Location: Lichtenberg Mine, Ronneburg U Deposit, Gera district, Thuringia, Germany. Scale: Picture size 2 mm.
© Thomas Witzke / Abraxas-Verlag

Fibroferrite Image

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Fibroferrite: Fe+++(SO4)(OH)·5(H2O)

Comments: Tan-white, acicular crystals of fibroferrite on matrix.
Location: Lichtenberg Mine, Ronneburg U Deposit, Gera district, Thuringia, Germany. Scale: Picture size 2 mm.
© Thomas Witzke / Abraxas-Verlag

Fichtelite Image

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Fichtelite: C19H34

Comments: Colorless crystals of fichtelite on fossil wood.
Location: Marktredwitz, Fichtelgebirge, Bavaria, Germany. Scale: Picture size 6 mm.
© Thomas Witzke / Abraxas-Verlag

Fichtelite Image

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Fichtelite: C19H34

Comments: Colorless crystals of fichtelite on fossil wood.
Location: Marktredwitz, Fichtelgebirge, Bavaria, Germany. Scale: Picture size 6 mm.
© Thomas Witzke / Abraxas-Verlag

Fiedlerite Image

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Fiedlerite: Pb3Cl4F(OH)2

Comments: Clear tabular crystals of fiedlerite on matrix.
Location: Laurium, Greece. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Fiedlerite Image

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Fiedlerite: Pb3Cl4F(OH)2

Comments: Clear tabular crystals of fiedlerite on matrix.
Location: Laurium, Greece. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Filatovite Image

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Filatovite: K[(Al,Zn)2(As,Si)2O8]

Comments: Colorless prismatic single crystal embedded in epoxy, co-type material.
Location: Great Tolbachik Eruption (1976), Tolbachik Volcano, Kamchatka Peninsula, Russia. Scale: See Image.
© Rruff Database

Filatovite Image

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Filatovite: K[(Al,Zn)2(As,Si)2O8]

Comments: Colorless prismatic single crystal embedded in epoxy, co-type material.
Location: Great Tolbachik Eruption (1976), Tolbachik Volcano, Kamchatka Peninsula, Russia. Scale: See Image.
© Rruff Database

Filipstadite Image

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Filipstadite: (Mn++,Mg)4Sb+++++Fe+++O8  
Hausmannite: Mn++Mn+++2O4

Comments: Dark minute grains of filipstadtite in hausmannite (slabbed specimen).
Location: Jacobsberg Mine, near Nordmark, Filipstad, Varmland, Sweden. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Filipstadite Image

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Filipstadite: (Mn++,Mg)4Sb+++++Fe+++O8  
Hausmannite: Mn++Mn+++2O4

Comments: Dark minute grains of filipstadtite in hausmannite (slabbed specimen).
Location: Jacobsberg Mine, near Nordmark, Filipstad, Varmland, Sweden. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Fillowite Image

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Fillowite: Na2Ca(Mn,Fe++)7(PO4)6

Comments: Brown fillowite lining vugs in matrix.
Location: Sullivan Mine, Sullivan, New Hampshire. Scale: Specimen Size 4.8 x 3.9 x 1.5 cm.
© Rob Lavinsky

Fillowite Image

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Fillowite: Na2Ca(Mn,Fe++)7(PO4)6

Comments: Brown fillowite lining vugs in matrix.
Location: Sullivan Mine, Sullivan, New Hampshire. Scale: Specimen Size 4.8 x 3.9 x 1.5 cm.
© Rob Lavinsky
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