Zoisite Var. Tanzanite Arusha, Merelani, Tanzania |
Opal: Rough and Cut Shoa Province, Ethiopia |
Smithsonite Tsumeb Mine, Tsumeb, Namibia |
Sphalerite on Quartz Shuikoushan Lead/Zinc Mine, Chaling, Hunan Province, China |
Quartz, var. Herkimer Diamond Ace of Diamonds Mine, Herkimer County, New York |
Opal (rough and cut) Shoa Province, Ethiopia |