Opal (polished) Jalisco, Mexico |
Sphalerite on Quartz Shuikoushan Lead/Zinc Mine, Chaling, Hunan Province, China |
Spinel (rough and cut) Mogok, Sagaing District, Mandalay Division, Burma (Myanmar) |
Tourmaline Var. Elbaite Kunar Province, Afganistan |
Corundum Var. Sapphire Balangoda, near Ratnapura, Sabaragamuwa Province, Sri Lanka |
Zoisite Var. Tanzanite Arusha, Merelani, Tanzania |