Corundum Var. Sapphire Balangoda, near Ratnapura, Sabaragamuwa Province, Sri Lanka |
Zoisite Var. Tanzanite Arusha, Merelani, Tanzania |
Olmiite on Calcite N Chwanning II Mine, Kuruman, Republic of South Africa |
Smithsonite Tsumeb Mine, Tsumeb, Namibia |
Corundum var. Sapphire Potanino Mine, Ilmen Mountains, Russia |
Opal (rough and cut) Shoa Province, Ethiopia |