Tourmaline Var. Elbaite Kunar Province, Afganistan |
Spinel (rough and cut) Mogok, Sagaing District, Mandalay Division, Burma (Myanmar) |
Olmiite on Calcite N Chwanning II Mine, Kuruman, Republic of South Africa |
Tourmaline var. Uvite with Magnesite and Quartz Brumado, Bahia, Northeast Region, Brazil |
Corundum var. Sapphire Potanino Mine, Ilmen Mountains, Russia |
Dioptase Altyn-Tyube, Karagandy Oblast, Kazakhstan |