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Curite: Pb3+x(H2O)2[(UO2)4+x(OH)3-x]2, x~0.5
Comments: Orangish red curite crystals. Location: Shinkolobwe mine, Tantara, Shaba, Democratic Republic of the Congo. Scale: Not Given. © Lou Perloff / Photo Atlas of Minerals
Cyanotrichite: Cu4Al2(SO4)(OH)12·2(H2O)
Comments: Blue, hairy crystals of cyanotrichite. Location: Grandview mine, Grand Canyon, Coconino County, Arizona, USA. Scale: Not Given. © Lou Perloff / Photo Atlas of Minerals
Dawsonite: NaAl(CO3)(OH)2
Comments: White, radial crystalline aggregates of dawsonite crystals. Location: Mont St. Hilaire, Quebec, Canada. Scale: Not Given. © Lou Perloff / Photo Atlas of Minerals
Derriksite: Cu4(UO2)(SeO3)2(OH)6
Comments: Light blue crystalline aggregates of derriksite. Location: Musonoi mine, Kolwezi, Shaba, Democratic Republic of the Congo. Scale: Not Given. © Lou Perloff / Photo Atlas of Minerals
Devilline: CaCu4(SO4)2(OH)6·3(H2O) Malachite: Cu2(CO3)(OH)2
Comments: Blue crystals of devilline on green, botryoidal malachite. Location: Spania Dolina (Herrengrund), Slovakia. Scale: Not Given. © Lou Perloff / Photo Atlas of Minerals
Diadochite: Fe+++2(PO4)(SO4)(OH)·6(H2O)
Comments: Brown balls of diadochite on matrix. Location: Union Carbide mine, Garland County, Arkansas, USA. Scale: Not Given. © Lou Perloff / Photo Atlas of Minerals
Diamond: C
Comments: Single octahedral crystal of diamond. Location: Ghana, Africa. Scale: Not Given. © Lou Perloff / Photo Atlas of Minerals
Diaphorite: Pb2Ag3Sb3S8
Comments: Prismatic, striated, metallic diaphorite crystal on quartz. Location: Morey, Nye County, Nevada, 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
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
Dolomite: CaMg(CO3)2
Comments: Pink rhombohedral crystals of dolomite on matrix. Location: Eugui, Navarra Province, Navarra, Spain. Scale: Not Given. © Lou Perloff / Photo Atlas of Minerals
Dufrenoysite: Pb2As2S5
Comments: Black prismatic crystal of Dufrenoysite with brassy yellow pyrite on succroidal dolomite. Location: Lengenbach quarry, Binntal, Valais, Switzerland. Scale: Not Given. © Lou Perloff / Photo Atlas of Minerals
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
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
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
Eakerite: Ca2SnAl2Si6O18(OH)2·2(H2O)
Comments: Transparent, prismatic crystal of eakerite. Location: Foote mine, Kings Mountain, Cleveland County, North Carolina, USA. Scale: Not Given. © Lou Perloff / Photo Atlas of Minerals
Edingtonite: BaAl2Si3O10·4(H2O)
Comments: Lath-shaped crystalline aggregates of edingtonite. Location: Jacupiranga mine, Sao Paolo, Brazil. Scale: Not Given. © Lou Perloff / Photo Atlas of Minerals
Embreyite: Pb5(CrO4)2(PO4)2·(H2O)
Comments: Orange embreyite crystals on matrix. Location: Cumbria, England. Scale: Not Given. © Lou Perloff / Photo Atlas of Minerals
Emplectite: CuBiS2
Comments: Metallic emplectite wire in quartz. Location: Schwarzenberg, Saxony, Germany. Scale: Not Given. © Lou Perloff / Photo Atlas of Minerals
Englishite: K3Na2Ca10Al15(PO4)21(OH)7·26(H2O)
Comments: Bluish colliform englishite crystals. Location: Clay Canyon, Fairfield, Utah County, Utah. Scale: Not Given. © Lou Perloff / Photo Atlas of Minerals