Wulfenite Wulfenite from Villa Ahumada, Sierra de Los Lamentos, Chihuahua, Mexico |
Spinel (rough and cut) Mogok, Sagaing District, Mandalay Division, Burma (Myanmar) |
Corundum Var. Sapphire Balangoda, near Ratnapura, Sabaragamuwa Province, Sri Lanka |
Smithsonite Tsumeb Mine, Tsumeb, Namibia |
Apophyllite with Scolecite Jalisgoan, near Jalgoan, Maharashtra State, India |
Dioptase Altyn-Tyube, Karagandy Oblast, Kazakhstan |