Zoisite Var. Tanzanite Arusha, Merelani, Tanzania |
Quartz "Faden" Dara Ismael Khan District, Waziristan, Pakistan |
Corundum var. Sapphire Potanino Mine, Ilmen Mountains, Russia |
Wulfenite Wulfenite from Villa Ahumada, Sierra de Los Lamentos, Chihuahua, Mexico |
Dioptase Altyn-Tyube, Karagandy Oblast, Kazakhstan |
Opal (rough and cut) Shoa Province, Ethiopia |