Mineral Specimen Images (D)

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

Dashkovaite Image

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Dashkovaite: Mg(HCOO)2·2(H2O)

Comments: White fibrous dashkovaite.
Location: Buriatia (Buryatia) Republic, Transbaikalia (Zabaykalye), Eastern-Siberian Region, Russia. Scale: Picture size 2.3 mm.
© Thomas Witzke / Abraxas-Verlag

Dashkovaite Image

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Dashkovaite: Mg(HCOO)2·2(H2O)

Comments: White fibrous dashkovaite.
Location: Buriatia (Buryatia) Republic, Transbaikalia (Zabaykalye), Eastern-Siberian Region, Russia. Scale: Picture size 2.3 mm.
© Thomas Witzke / Abraxas-Verlag

Datolite Image

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Datolite: CaBSiO4(OH)

Comments: Cluster of doubly-terminated datolite crystals to 3.3 cm across with a scattering of brown inclusions.
Location: Boron Pit, Dal'Negorsk, Russia. Scale: 5x3.9x3.7 cm.
© Fabre Minerals

Datolite Image

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Datolite: CaBSiO4(OH)

Comments: Cluster of doubly-terminated datolite crystals to 3.3 cm across with a scattering of brown inclusions.
Location: Boron Pit, Dal'Negorsk, Russia. Scale: 5x3.9x3.7 cm.
© Fabre Minerals

Daubreeite Image

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Daubreeite: BiO(OH,Cl)

Comments: Massive yellow daubreeite.
Location: Cerro Tazna, Atocha-Quechisla district, Nor Chichas Province, Potosí Department, Bolivia. Scale: Picture size 5 mm.
© Thomas Witzke / Abraxas-Verlag

Daubreeite Image

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Daubreeite: BiO(OH,Cl)

Comments: Massive yellow daubreeite.
Location: Cerro Tazna, Atocha-Quechisla district, Nor Chichas Province, Potosí Department, Bolivia. Scale: Picture size 5 mm.
© Thomas Witzke / Abraxas-Verlag

Daubreelite Image

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Daubreelite: Fe++Cr2S4  
Alabandite: MnS

Comments: Daubreelite (D), bright metallic white, with alabandite (A) (dull yellow) as inclusions in a polished section of an achondrite meteorite.
Location: Norton County, Kansas. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Daubreelite Image

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Daubreelite: Fe++Cr2S4  
Schollhornite: Na0.3CrS2·(H2O)  
Caswellsilverite: NaCrS2

Comments: Polished section (PPL) of schiillhornite (Sh), coexisting with caswellsilverite (Cw), ferromagnesian alabandite (Ab) and daubreelite (Db). (AmMin, v70:638).
Location: Norton County (Kansas-Nebraska) enstatite achondrite meteorite. Scale: Scale bar is 0.08 mm.
© American Mineralogist

Daubreelite Image

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Daubreelite: Fe++Cr2S4  
Schollhornite: Na0.3CrS2·(H2O)  
Caswellsilverite: NaCrS2

Comments: Polished section (PPL) of schiillhornite (Sh), coexisting with caswellsilverite (Cw), ferromagnesian alabandite (Ab) and daubreelite (Db). (AmMin, v70:638).
Location: Norton County (Kansas-Nebraska) enstatite achondrite meteorite. Scale: Scale bar is 0.08 mm.
© American Mineralogist

Daubreelite Image

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Daubreelite: Fe++Cr2S4  
Alabandite: MnS

Comments: Daubreelite (D), bright metallic white, with alabandite (A) (dull yellow) as inclusions in a polished section of an achondrite meteorite.
Location: Norton County, Kansas. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Davanite Image

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Davanite: K2TiSi6O15

Comments: B&W plane-polarized light (PPL) image of davanite crystals, with a hexagonal outline, in a Sr-Ca carbonate matrix. (AmMin, v71:1473).
Location: Lamproites at Smoky Butte, Montana, USA. Scale: Scale Bar 20 µm.
© American Mineralogist

Davanite Image

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Davanite: K2TiSi6O15

Comments: B&W plane-polarized light (PPL) image of davanite crystals, with a hexagonal outline, in a Sr-Ca carbonate matrix. (AmMin, v71:1473).
Location: Lamproites at Smoky Butte, Montana, USA. Scale: Scale Bar 20 µm.
© American Mineralogist

Davidite-(Ce) Image

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Davidite-(Ce): (Ce,La)(Y,U)(Ti,Fe+++)20O38

Comments: Black, granular crystals of davidite-(Ce) in matrix.
Location: Kukisvumchorr Mt., Khibiny Massif, Kola Peninsula, Russia. Scale: Specimen Size 9x5x5 mm.
© Sergey Vasiliev / Systematic Mineralogy

Davidite-(Ce) Image

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Davidite-(Ce): (Ce,La)(Y,U)(Ti,Fe+++)20O38

Comments: Black, granular crystals of davidite-(Ce) in matrix.
Location: Kukisvumchorr Mt., Khibiny Massif, Kola Peninsula, Russia. Scale: Specimen Size 9x5x5 mm.
© Sergey Vasiliev / Systematic Mineralogy

Davidite-(La) Image

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Davidite-(La): (La,Ce,Ca)(Y,U)(Ti,Fe+++)20O38

Comments: Prismatic crystals of davidite in carbonatite.
Location: Thackering, South West Australia, Australia. Scale: Crystal size 2 cm.
© John Veevaert

Davidite-(La) Image

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Davidite-(La): (La,Ce,Ca)(Y,U)(Ti,Fe+++)20O38

Comments: Prismatic crystals of davidite in carbonatite.
Location: Thackering, South West Australia, Australia. Scale: Crystal size 2 cm.
© John Veevaert

Davisite Image

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Davisite: Ca(Sc,Ti+++,Mg,Ti++++)AlSiO6

Comments: BSE image of the davisite-containing refractory inclusion in a polished section (USNM 7555). (AmMin, v94:845).
Location: Allende meteorite. Scale: See Image.
© American Mineralogist

Davisite Image

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Davisite: Ca(Sc,Ti+++,Mg,Ti++++)AlSiO6

Comments: BSE image of the davisite-containing refractory inclusion in a polished section (USNM 7555). (AmMin, v94:845).
Location: Allende meteorite. Scale: See Image.
© American Mineralogist

Davreuxite Image

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Davreuxite: MnAl6Si4O17(OH)2

Comments: Pale yellow fibrous davreuxite on quartz.
Location: Ottre, Luxembourg, Belgium. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Davreuxite Image

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Davreuxite: MnAl6Si4O17(OH)2

Comments: Pale yellow fibrous davreuxite on quartz.
Location: Ottre, Luxembourg, Belgium. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species
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