Mineral Specimen Images (U)

Mineral Specimen Images (U)
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Mineral Specimen Images (U) With 116 Images

Umangite Image

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Umangite: Cu3Se2  
Athabascaite: Cu5Se4  
Berzelianite: Cu2Se

Comments: Reflected light photomicrograph of umangite (pinkish), berzelianite (gray), athabascaite (small white areas in berzelianite), calcite (olive).
Location: Sierra de Umango, La Rioja, Argentin. Scale: Not Given.
© Jeff Weissman / Photographic Guide to Mineral Species

Umangite Image

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Umangite: Cu3Se2  
Berzelianite: Cu2Se

Comments: Black massive umangite intergrown with dark blue metallic berzelianite.
Location: Borsov, Bohemia, Vychodocesky, Czech Republic. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Umbite Image

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Umbite: K2ZrSi3O9·(H2O)

Comments: White, granular crystals of umbite in matrix.
Location: Koashva Mt. Khibiny Massif, Kola Peninsula, Russia. Scale: Specimen Size 17x15x8 mm.
© Sergey Vasiliev / Systematic Mineralogy

Umbite Image

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Umbite: K2ZrSi3O9·(H2O)

Comments: White, granular crystals of umbite in matrix.
Location: Koashva Mt. Khibiny Massif, Kola Peninsula, Russia. Scale: Specimen Size 17x15x8 mm.
© Sergey Vasiliev / Systematic Mineralogy

Umbozerite Image

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Umbozerite: Na3Sr4ThSi8(O,OH)24

Comments: Dark brown prismatic umbozerite masses in pegmatite rock.
Location: Pegmatite #100, Mount Karnasurt,  Lovozero Massif, Kola Peninsula, Murmansk District,. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Umbozerite Image

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Umbozerite: Na3Sr4ThSi8(O,OH)24

Comments: Dark brown prismatic umbozerite masses in pegmatite rock.
Location: Pegmatite #100, Mount Karnasurt,  Lovozero Massif, Kola Peninsula, Murmansk District,. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Umohoite Image

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Umohoite: [(UO2)MoO4]·H2O

Comments: Orange Umohoite aggregates on matrix.
Location: Rabéjac, Lodève, Hérault, Languedoc-Roussillon, France. Scale: Picture size 1 mm.
© Thomas Witzke / Abraxas-Verlag

Umohoite Image

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Umohoite: [(UO2)MoO4]·H2O

Comments: Orange Umohoite aggregates on matrix.
Location: Rabéjac, Lodève, Hérault, Languedoc-Roussillon, France. Scale: Picture size 1 mm.
© Thomas Witzke / Abraxas-Verlag

Ungarettiite Image

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Ungarettiite: NaNa2(Mn++2Mn+++3)Si8O22O2

Comments: Dark red ungarettiite veinlets in rock.
Location: Hoskins Mine, near Grenfell, New South Wales, Australia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Ungarettiite Image

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Ungarettiite: NaNa2(Mn++2Mn+++3)Si8O22O2

Comments: Dark red ungarettiite veinlets in rock.
Location: Hoskins Mine, near Grenfell, New South Wales, Australia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Ungemachite Image

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Ungemachite: K3Na8Fe+++(SO4)6(NO3)2·6(H2O)  
Metasideronatrite: Na2Fe+++(SO4)2(OH)·(H2O)

Comments: Translucent rounded ungemachite microcrystal on yellow metasideronatrite.
Location: Chuquicamata, Antofagasta, Chile. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Ungemachite Image

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Ungemachite: K3Na8Fe+++(SO4)6(NO3)2·6(H2O)  
Metasideronatrite: Na2Fe+++(SO4)2(OH)·(H2O)

Comments: Translucent rounded ungemachite microcrystal on yellow metasideronatrite.
Location: Chuquicamata, Antofagasta, Chile. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Upalite Image

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Upalite: Al(UO2)3(PO4)2O(OH)·7(H2O)  
Columbite-(Fe): Fe++Nb2O6

Comments: Thin translucent yellowish upalite crusts on a prismatic, black columbite crystal.
Location: Thin translucent yellowish crusts on undifferntiated columbite crystal. Scale: Picture Size 2 mm.
© Jeff Weissman / Photographic Guide to Mineral Species

Upalite Image

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Upalite: Al(UO2)3(PO4)2O(OH)·7(H2O)  
Columbite-(Fe): Fe++Nb2O6

Comments: Thin translucent yellowish upalite crusts on a prismatic, black columbite crystal.
Location: Thin translucent yellowish crusts on undifferntiated columbite crystal. Scale: Picture Size 2 mm.
© Jeff Weissman / Photographic Guide to Mineral Species

Uralborite Image

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Uralborite: CaB2O2(OH)4

Comments: Micro crystals of Uralborite in a capsule.
Location: Fuka mine, Bitchu-cho, Okayama Prefecture, Japan. Scale: Crystal Size 2 mm.
© Tom Loomis / Dakota Matrix

Uralborite Image

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Uralborite: CaB2O2(OH)4

Comments: Micro crystals of Uralborite in a capsule.
Location: Fuka mine, Bitchu-cho, Okayama Prefecture, Japan. Scale: Crystal Size 2 mm.
© Tom Loomis / Dakota Matrix

Uralolite Image

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Uralolite: Ca2Be4(PO4)3(OH)3·5(H2O)

Comments: Radiating aggregates of uralolite.
Location: Brandrücken, Weinebene pass, Koralpe Mts, Carinthia, Austria. Scale: Picture size 5 mm.
© Thomas Witzke / Abraxas-Verlag

Uralolite Image

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Uralolite: Ca2Be4(PO4)3(OH)3·5(H2O)

Comments: Radiating aggregates of uralolite.
Location: Brandrücken, Weinebene pass, Koralpe Mts, Carinthia, Austria. Scale: Picture size 5 mm.
© Thomas Witzke / Abraxas-Verlag

Uramarsite Image

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Uramarsite: (NH4,H3O)2(UO2)2(AsO4,PO4)2·6H2O

Comments: Brownish green cleavage fragment or uramarsite, co-type material.
Location: Bota-Burum Uranium deposit, Kazakhstan. Scale: See Image.
© Rruff Database

Uramarsite Image

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Uramarsite: (NH4,H3O)2(UO2)2(AsO4,PO4)2·6H2O

Comments: Brownish green cleavage fragment or uramarsite, co-type material.
Location: Bota-Burum Uranium deposit, Kazakhstan. Scale: See Image.
© Rruff Database
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