Zoisite Var. Tanzanite Arusha, Merelani, Tanzania |
Smithsonite Tsumeb Mine, Tsumeb, Namibia |
Corundum var. Sapphire Potanino Mine, Ilmen Mountains, Russia |
Quartz, var. Herkimer Diamond Ace of Diamonds Mine, Herkimer County, New York |
Olmiite on Calcite N Chwanning II Mine, Kuruman, Republic of South Africa |
Opal (rough and cut) Shoa Province, Ethiopia |