Dioptase CuSiO2(OH)2 I, Tsumeb Mine, Otjikoto Region, Namibia
Dioptase CuSiO2(OH)2, with Shattuckite, Kaokoveld Plateau, Kunene Region, Namibia
Dioptase CuSiO2(OH)2, with Shattuckite, Kaokoveld Plateau, Kunene Region, Namibia
Dioptase CuSiO2(OH)2 II, Tsumeb Mine, Otjikoto Region, Namibia
Dioptase CuSiO2(OH)2 Kaokoveld Plateau, Kunene Region, Namibia
Dioptase CuSiO2(OH)2 Tsumeb Mine, Otjikoto Region, Namibia
Dioptase CuSiO2(OH)2 Altyn-Tyube, Kirghiz Steppes, Karagandy Province, Kazakhstan, Ex Chris and Agatha Galas
Dioptase CuSiO2(OH)2 with Quartz, Kaokoveld Plateau, Kunene Region, Namibia
Dioptase CuSiO2(OH)2 with Quartz, Kaokoveld Plateau, Kunene Region, Namibia
Dioptase CuSiO2(OH)2 with Quartz, detail, Kaokoveld Plateau, Kunene Region, Namibia
Dioptase CuSiO2(OH)2 with Conchalcite, Carbonera Mine, 30 km SE of Nazca, Peru, Ex Jordi Povill