Mineral Specimen Images (D)

Dietzeite: Ca2(IO3)2(CrO4)

Comments: Yellow crystalline coating of dietzeite on matrix.
Location: Iquique, Tarapaca, Chile. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Dietzeite: Ca2(IO3)2(CrO4)

Comments: Yellow crystalline coating of dietzeite on matrix.
Location: Iquique, Tarapaca, Chile. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Digenite: Cu9S5

Comments: Bluish trigonal crystal of Digenite.
Location: Butte, Silver Bow County, Montana, USA. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Digenite: Cu9S5

Comments: Bluish trigonal crystal of Digenite.
Location: Butte, Silver Bow County, Montana, USA. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Dilithium: Li2Te

Comments: Reaction chamber image at warp-factor-2 showng synthetic dilithium (Di) crystal converting matter-antimatter streams to high energy plasma.
Location: Engine room, U.S.S. Enterprise NCC-1701-D, classified location in the gamma quadrant. Scale: Cyastal size 5 x 2 x 6 cm.
© LeVar Burton

Dilithium: Li2Te

Comments: Reaction chamber image at warp-factor-2 showng synthetic dilithium (Di) crystal converting matter-antimatter streams to high energy plasma.
Location: Engine room, U.S.S. Enterprise NCC-1701-D, classified location in the gamma quadrant. Scale: Cyastal size 5 x 2 x 6 cm.
© LeVar Burton

Dimorphite: As4S3

Comments: Orange to yellow-orange crystals of dimorphite on matrix.
Location: Solfatara di Pozzuoli, Vesuvius, Naples, Naples province, Campania, Italy. Scale: Picture size 4 mm.
© Thomas Witzke / Abraxas-Verlag

Dimorphite: As4S3

Comments: Orange to yellow-orange crystals of dimorphite on matrix.
Location: Solfatara di Pozzuoli, Vesuvius, Naples, Naples province, Campania, Italy. Scale: Picture size 4 mm.
© Thomas Witzke / Abraxas-Verlag

Diopside: CaMgSi2O6  
Grossular: Ca3Al2(SiO4)3

Comments: Pale blue prismatic crystal of diopside with orange-brown grossular.
Location: Val d'Aosta, Italy. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Diopside: CaMgSi2O6  
Magnesioferrite: MgFe+++2O4

Comments: Very dark brown Magnesioferrite Pleonaste (Iron-Magnesium spinel) with cream colored Calcite and gray green diopside.
Location: Aldan, Gon River, Russia. Scale: 6 x 4.5 cm.
© Fabre Minerals

Diopside: CaMgSi2O6  
Grossular: Ca3Al2(SiO4)3

Comments: Pale blue prismatic crystal of diopside with orange-brown grossular.
Location: Val d'Aosta, Italy. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Diopside: CaMgSi2O6  
Magnesioferrite: MgFe+++2O4

Comments: Very dark brown Magnesioferrite Pleonaste (Iron-Magnesium spinel) with cream colored Calcite and gray green diopside.
Location: Aldan, Gon River, Russia. Scale: 6 x 4.5 cm.
© Fabre Minerals

Dioptase: CuSiO2(OH)2

Comments: Dark-blue-green crystals of dioptase on matrix. The color of dioptase does not photograph well and must be seen in person to appreciate.
Location: Altyn-tyube, Kasakhstan. Scale: Crystal size 5 mm.
© Dave Barthelmy

Dioptase: CuSiO2(OH)2  
Kinoite: Ca2Cu2Si3O8(OH)4

Comments: Fibrous crystals of blue-green dioptase to 0.75mm on clear apophyllite associated with dark blue kinoite.
Location: Christmas mine, Gila Co., Arizona, USA. Scale: Pictures size 6 mm.
© Tom Loomis / Dakota Matrix

Dioptase: CuSiO2(OH)2  
Minrecordite: CaZn(CO3)2

Comments: Blue-green dioptase covered with minute, rhombic crystals of transparent minrecordite one mm or less in size.
Location: Tsumeb Mine, Tsumeb, Namibia. Scale: Picture size 1 cm.
© John Veevaert

Dioptase: CuSiO2(OH)2  
Kinoite: Ca2Cu2Si3O8(OH)4

Comments: Fibrous crystals of blue-green dioptase to 0.75mm on clear apophyllite associated with dark blue kinoite.
Location: Christmas mine, Gila Co., Arizona, USA. Scale: Pictures size 6 mm.
© Tom Loomis / Dakota Matrix

Dioptase: CuSiO2(OH)2  
Minrecordite: CaZn(CO3)2

Comments: Blue-green dioptase covered with minute, rhombic crystals of transparent minrecordite one mm or less in size.
Location: Tsumeb Mine, Tsumeb, Namibia. Scale: Picture size 1 cm.
© John Veevaert

Dioptase: CuSiO2(OH)2

Comments: Emerald green lustrous crystals of dioptase to 14 mm in size and doubly terminated, set upon a limestone and massive calcite matrix.
Location: Altyn-Tyube, South Kazakhstan Oblast', Kazakhstan. Scale: 3.5 x 4.5 x 2 cm.
© Dan Weinrich

Dioptase: CuSiO2(OH)2

Comments: Emerald green lustrous crystals of dioptase to 14 mm in size and doubly terminated, set upon a limestone and massive calcite matrix.
Location: Altyn-Tyube, South Kazakhstan Oblast', Kazakhstan. Scale: 3.5 x 4.5 x 2 cm.
© Dan Weinrich

Dioptase: CuSiO2(OH)2

Comments: Dark-blue-green crystals of dioptase on matrix. The color of dioptase does not photograph well and must be seen in person to appreciate.
Location: Altyn-tyube, Kasakhstan. Scale: Crystal size 5 mm.
© Dave Barthelmy