Mineral Specimen Images (F)

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

Frankdicksonite Image

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Frankdicksonite: BaF2

Comments: Cubic crystals of frankdicksonite. AmMin v59:885.
Location: Carlin gold deposit, Eureka County, Nevada, USA. Scale: See Image.
© American Mineralogist

Frankdicksonite Image

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Frankdicksonite: BaF2

Comments: Cubic crystals of frankdicksonite. AmMin v59:885.
Location: Carlin gold deposit, Eureka County, Nevada, USA. Scale: See Image.
© American Mineralogist

Frankhawthorneite Image

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Frankhawthorneite: Cu2Te++++++O4(OH)2

Comments: Very small green crystals of frankhawthorneite on a light green unknown mineral.
Location: Centennial Eureka Mine, Tintic District, Juab Co., Utah, USA. Scale: Picture size 1 mm.
© Thomas Witzke / Abraxas-Verlag

Frankhawthorneite Image

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Frankhawthorneite: Cu2Te++++++O4(OH)2

Comments: Very small green crystals of frankhawthorneite on a light green unknown mineral.
Location: Centennial Eureka Mine, Tintic District, Juab Co., Utah, USA. Scale: Picture size 1 mm.
© Thomas Witzke / Abraxas-Verlag

Franklinfurnaceite Image

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Franklinfurnaceite: Ca2(Fe+++,Al)Mn+++Mn++3Zn2Si2O10(OH)8

Comments: Brown resinous mass of franklinfurnaceite, in black franklinite, with white calcite.
Location: Franklin Mine, Franklin, Sussex Co., New Jersey, USA. Scale: Picture Size 6 mm.
© Jeff Weissman / Photographic Guide to Mineral Species

Franklinfurnaceite Image

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Franklinfurnaceite: Ca2(Fe+++,Al)Mn+++Mn++3Zn2Si2O10(OH)8

Comments: Brown resinous mass of franklinfurnaceite, in black franklinite, with white calcite.
Location: Franklin Mine, Franklin, Sussex Co., New Jersey, USA. Scale: Picture Size 6 mm.
© Jeff Weissman / Photographic Guide to Mineral Species

Franklinite Image

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Franklinite: (Zn,Mn++,Fe++)(Fe+++,Mn+++)2O4  
Rinmanite: (Zn,Mn)2Sb2Mg2Fe4O14(OH)2

Comments: B&W image (reflected light) of a polished section of rinmanite and franklinite (white) with associated silicates.
Location: Garpenberg Norra Zn-Pb mine, Hedemora, Dalarna, in south-central Sweden. (CanMin, v39:1675). Scale: Scale Bar 0.2 mm.
© Canadian Mineralogist

Franklinite Image

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Franklinite: (Zn,Mn++,Fe++)(Fe+++,Mn+++)2O4

Comments: Black, octahedral franklinite crystals to 1.4 cm across on white calcite.
Location: Franklin, Sussex County, New Jersey, USA. Scale: 2.9 x 2 cm.
© John Veevaert

Franklinite Image

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Franklinite: (Zn,Mn++,Fe++)(Fe+++,Mn+++)2O4

Comments: Black, octahedral franklinite crystals to 1.4 cm across on white calcite.
Location: Franklin, Sussex County, New Jersey, USA. Scale: 2.9 x 2 cm.
© John Veevaert

Franklinite Image

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Franklinite: (Zn,Mn++,Fe++)(Fe+++,Mn+++)2O4  
Esperite: PbCa3Zn4(SiO4)4  
Hardystonite: Ca2ZnSi2O7

Comments: Pale brown porcelaneous esperite with pinkish gray hardystonite and black franklinite.
Location: Franklin, Sussex County, New Jersey. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Franklinite Image

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Franklinite: (Zn,Mn++,Fe++)(Fe+++,Mn+++)2O4  
Esperite: PbCa3Zn4(SiO4)4  
Hardystonite: Ca2ZnSi2O7

Comments: Pale brown porcelaneous esperite with pinkish gray hardystonite and black franklinite.
Location: Franklin, Sussex County, New Jersey. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Franklinite Image

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Franklinite: (Zn,Mn++,Fe++)(Fe+++,Mn+++)2O4  
Rinmanite: (Zn,Mn)2Sb2Mg2Fe4O14(OH)2

Comments: B&W image (reflected light) of a polished section of rinmanite and franklinite (white) with associated silicates.
Location: Garpenberg Norra Zn-Pb mine, Hedemora, Dalarna, in south-central Sweden. (CanMin, v39:1675). Scale: Scale Bar 0.2 mm.
© Canadian Mineralogist

Franklinphilite Image

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Franklinphilite: (K,Na)4(Mn++,Mg,Zn)48(Si,Al)72(O,OH)216·6(H2O)

Comments: A cleavage fragment of nearly pure franklinphilite.
Location: Franklin mine, Sussex County, New Jersey.. Scale: Fragment Size 2.5 mm.
© Jeff Weissman / Photographic Guide to Mineral Species

Franklinphilite Image

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Franklinphilite: (K,Na)4(Mn++,Mg,Zn)48(Si,Al)72(O,OH)216·6(H2O)

Comments: A cleavage fragment of nearly pure franklinphilite.
Location: Franklin mine, Sussex County, New Jersey.. Scale: Fragment Size 2.5 mm.
© Jeff Weissman / Photographic Guide to Mineral Species

Fransoletite Image

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Fransoletite: H2Ca3Be2(PO4)4·4(H2O)

Comments: Light blue crystals of fransoletite.
Location: Tip Top mine, Custer, Custer County, South Dakota, USA. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Fransoletite Image

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Fransoletite: H2Ca3Be2(PO4)4·4(H2O)

Comments: Light blue crystals of fransoletite.
Location: Tip Top mine, Custer, Custer County, South Dakota, USA. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Franzinite Image

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Franzinite: [(Na,K)30Ca10][Si30Al30O120](SO4)10·2(H2O)

Comments: Opaque white platy crystals of franzinite on brown vesuvianite crystals.
Location: Pitigliano, Grosseto, Tuscany, Italy. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Franzinite Image

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Franzinite: [(Na,K)30Ca10][Si30Al30O120](SO4)10·2(H2O)

Comments: Opaque white platy crystals of franzinite on brown vesuvianite crystals.
Location: Pitigliano, Grosseto, Tuscany, Italy. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Freboldite Image

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Freboldite: CoSe

Comments: Copper-red, tarnished, freboldite, as granular material intermixed with darker colored sandstone matrix.
Location: Temple Mountain, San Rafael District (San Rafael Swell), Emery Co., Utah, USA. Scale: Specimen Size 2 cm.
© Jeff Weissman / Photographic Guide to Mineral Species

Freboldite Image

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Freboldite: CoSe

Comments: Copper-red, tarnished, freboldite, as granular material intermixed with darker colored sandstone matrix.
Location: Temple Mountain, San Rafael District (San Rafael Swell), Emery Co., Utah, USA. Scale: Specimen Size 2 cm.
© Jeff Weissman / Photographic Guide to Mineral Species
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