Adamite on Limonite Ojuela Mine, Mapimi, Durango, Mexico |
Sphalerite on Quartz Shuikoushan Lead/Zinc Mine, Chaling, Hunan Province, China |
Corundum var. Sapphire Potanino Mine, Ilmen Mountains, Russia |
Garnet var. Hessonite Jeffrey Mine, Asbestos, Quebec, Canada |
Corundum Var. Sapphire Balangoda, near Ratnapura, Sabaragamuwa Province, Sri Lanka |
Opal: Rough and Cut Shoa Province, Ethiopia |