Corundum var. Sapphire Potanino Mine, Ilmen Mountains, Russia |
Adamite on Limonite Ojuela Mine, Mapimi, Durango, Mexico |
Quartz var. Faden Dara Ismael Khan District, Waziristan, Pakistan |
Spinel (rough and cut) Mogok, Sagaing District, Mandalay Division, Burma (Myanmar) |
Opal (polished) Jalisco, Mexico |
Zoisite Var. Tanzanite Arusha, Merelani, Tanzania |