Smithsonite Tsumeb Mine, Tsumeb, Namibia |
Opal (rough and cut) Shoa Province, Ethiopia |
Corundum Var. Sapphire Balangoda, near Ratnapura, Sabaragamuwa Province, Sri Lanka |
Adamite on Limonite Ojuela Mine, Mapimi, Durango, Mexico |
Tourmaline var. Uvite with Magnesite and Quartz Brumado, Bahia, Northeast Region, Brazil |
Dioptase Altyn-Tyube, Karagandy Oblast, Kazakhstan |