Wulfenite Wulfenite from Villa Ahumada, Sierra de Los Lamentos, Chihuahua, Mexico |
Tourmaline var. Uvite with Magnesite and Quartz Brumado, Bahia, Northeast Region, Brazil |
Corundum var. Sapphire Potanino Mine, Ilmen Mountains, Russia |
Dioptase Altyn-Tyube, Karagandy Oblast, Kazakhstan |
Zoisite Var. Tanzanite Merelani Mine, Lelatema Mountains, Arusha Region, Tanzania |
Tourmaline Var. Elbaite Kunar Province, Afganistan |