Zoisite Var. Tanzanite Arusha, Merelani, Tanzania |
Tourmaline Var. Elbaite Kunar Province, Afganistan |
Olmiite on Calcite N Chwanning II Mine, Kuruman, Republic of South Africa |
Corundum var. Sapphire Potanino Mine, Ilmen Mountains, Russia |
Dioptase Altyn-Tyube, Karagandy Oblast, Kazakhstan |
Opal (rough and cut) Shoa Province, Ethiopia |