Wulfenite Wulfenite from Villa Ahumada, Sierra de Los Lamentos, Chihuahua, Mexico |
Corundum var. Sapphire Potanino Mine, Ilmen Mountains, Russia |
Olmiite on matrix N Chwanning II Mine, Kuruman, Republic of South Africa |
Opal: Rough and Cut Shoa Province, Ethiopia |
Zoisite Var. Tanzanite Merelani Mine, Lelatema Mountains, Arusha Region, Tanzania |
Garnet var. Hessonite Jeffrey Mine, Asbestos, Quebec, Canada |