Mineral Specimen Images (D)

Mineral Specimen Images (D)
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Mineral Specimen Images (D) With 272 Images

Duftite-beta Image

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Duftite-beta: PbCu(AsO4)(OH)  
Jamesite: Pb2Zn2Fe+++5(AsO4)5O4

Comments: Reddish-brown bladed jamesite crystals overgrown with white dolomite and associated with dark green duftite.
Location: Tsumeb mine, Tsumeb, Otavi District, Oshikoto, Namibia. Scale: See Image.
© Rruff Database

Duftite-beta Image

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Duftite-beta: PbCu(AsO4)(OH)  
Jamesite: Pb2Zn2Fe+++5(AsO4)5O4

Comments: Reddish-brown bladed jamesite crystals overgrown with white dolomite and associated with dark green duftite.
Location: Tsumeb mine, Tsumeb, Otavi District, Oshikoto, Namibia. Scale: See Image.
© Rruff Database

Dugganite Image

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Dugganite: Pb3Zn3Te(As,V,Si)2(O,OH)14

Comments: Green crystalline aggregate of dugganite.
Location: Tombstone, Cochise County, Arizona, USA. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Dugganite Image

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Dugganite: Pb3Zn3Te(As,V,Si)2(O,OH)14

Comments: Green crystalline aggregate of dugganite.
Location: Tombstone, Cochise County, Arizona, USA. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Dukeite Image

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Dukeite: Bi+++24Cr++++++8O57(OH)6(H2O)3

Comments: SEM photomicrograph showing part of a dukeite sheave (AmMin, 85:1823).
Location: Found on a museum specimen labeled as originating from the São José Mine, Brejaúba, Minas Gerais, Brazil. Scale: See Image.
© American Mineralogist

Dukeite Image

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Dukeite: Bi+++24Cr++++++8O57(OH)6(H2O)3

Comments: SEM photomicrograph showing part of a dukeite sheave (AmMin, 85:1823).
Location: Found on a museum specimen labeled as originating from the São José Mine, Brejaúba, Minas Gerais, Brazil. Scale: See Image.
© American Mineralogist

Dumontite Image

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Dumontite: Pb2(UO2)3O2(PO4)2·5(H2O)

Comments: Bright yellow acicular crystals of dumontite on matrix.
Location: Shinkolobwe mine, Tantara, Shaba, Democratic Republic of the Congo. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Dumontite Image

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Dumontite: Pb2(UO2)3O2(PO4)2·5(H2O)

Comments: Bright yellow acicular crystals of dumontite on matrix.
Location: Shinkolobwe mine, Tantara, Shaba, Democratic Republic of the Congo. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Dumortierite Image

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Dumortierite: Al6.5-7(BO3)(SiO4)3(O,OH)3

Comments: Divergent fans of acicular purple to lilac colored dumortierite crystals in white andalusite matrix.
Location: Dehesa, San Diego Co., California, USA. Scale: Crystal size 2.3cm.
© Tom Loomis / Dakota Matrix

Dumortierite Image

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Dumortierite: Al6.5-7(BO3)(SiO4)3(O,OH)3

Comments: Low-magnification, bright-field image showing dispersed dumortierite fibers extracted from rose quartz on a carbon film. (AmMin 87:270).
Location: Madagascar. Scale: See Image.
© American Mineralogist

Dumortierite Image

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Dumortierite: Al6.5-7(BO3)(SiO4)3(O,OH)3

Comments: Blue dumortierite in matrix.
Location: Hartmannsdorf, Chemnitz, Saxony, Germany. Scale: Picture size 5 mm.
© Thomas Witzke / Abraxas-Verlag

Dumortierite Image

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Dumortierite: Al6.5-7(BO3)(SiO4)3(O,OH)3

Comments: Low-magnification, bright-field image showing dispersed dumortierite fibers extracted from rose quartz on a carbon film. (AmMin 87:270).
Location: Madagascar. Scale: See Image.
© American Mineralogist

Dumortierite Image

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Dumortierite: Al6.5-7(BO3)(SiO4)3(O,OH)3

Comments: Blue dumortierite in matrix.
Location: Hartmannsdorf, Chemnitz, Saxony, Germany. Scale: Picture size 5 mm.
© Thomas Witzke / Abraxas-Verlag

Dumortierite Image

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Dumortierite: Al6.5-7(BO3)(SiO4)3(O,OH)3

Comments: Divergent fans of acicular purple to lilac colored dumortierite crystals in white andalusite matrix.
Location: Dehesa, San Diego Co., California, USA. Scale: Crystal size 2.3cm.
© Tom Loomis / Dakota Matrix

Dundasite Image

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Dundasite: PbAl2(CO3)2(OH)4·(H2O)

Comments: Bluish crystalline spray of Dundasite on azurite.
Location: Tsumeb mine, Tsumeb, Namibia. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Dundasite Image

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Dundasite: PbAl2(CO3)2(OH)4·(H2O)

Comments: Bluish crystalline spray of Dundasite on azurite.
Location: Tsumeb mine, Tsumeb, Namibia. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Durangite Image

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Durangite: NaAl(AsO4)F

Comments: Equant red crystals of durangite with a dusting of white powder.
Location: Northern end Thomas Range, Juab County, Utah, USA. Scale: See Image.
© Rruff Database

Durangite Image

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Durangite: NaAl(AsO4)F

Comments: Equant red crystals of durangite with a dusting of white powder.
Location: Northern end Thomas Range, Juab County, Utah, USA. Scale: See Image.
© Rruff Database

Duranusite Image

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Duranusite: As4S  
Realgar: AsS

Comments: Small black Duranusite in orange-red realgar matrix.
Location: Duranus, Alpes-Maritimes, Provence-Alpes-Côte d'Azur, France. Scale: Picture size 1.3 mm.
© Thomas Witzke / Abraxas-Verlag

Duranusite Image

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Duranusite: As4S  
Realgar: AsS

Comments: Small black Duranusite in orange-red realgar matrix.
Location: Duranus, Alpes-Maritimes, Provence-Alpes-Côte d'Azur, France. Scale: Picture size 1.3 mm.
© Thomas Witzke / Abraxas-Verlag
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