Wulfenite Wulfenite from Villa Ahumada, Sierra de Los Lamentos, Chihuahua, Mexico |
Smithsonite Tsumeb Mine, Tsumeb, Namibia |
Zoisite Var. Tanzanite Arusha, Merelani, Tanzania |
Adamite on Limonite Ojuela Mine, Mapimi, Durango, Mexico |
Opal: Rough and Cut Shoa Province, Ethiopia |
Tourmaline var. Uvite with Magnesite and Quartz Brumado, Bahia, Northeast Region, Brazil |