Spinel (rough and cut) Mogok, Sagaing District, Mandalay Division, Burma (Myanmar) |
Opal: Rough and Cut Shoa Province, Ethiopia |
Olmiite on matrix N Chwanning II Mine, Kuruman, Republic of South Africa |
Quartz "Faden" Dara Ismael Khan District, Waziristan, Pakistan |
Dioptase Altyn-Tyube, Karagandy Oblast, Kazakhstan |
Corundum var. Sapphire Potanino Mine, Ilmen Mountains, Russia |