Azurite w/ Malachite Milpillas Mine, Sonora, Mexico |
Sphalerite on Quartz Shuikoushan Lead/Zinc Mine, Chaling, Hunan Province, China |
Opal (rough and cut) Shoa Province, Ethiopia |
Opal var. Hyalite San Luis Potosi, Mexico |
Smithsonite Tsumeb Mine, Tsumeb, Namibia |
Corundum Var. Sapphire Balangoda, near Ratnapura, Sabaragamuwa Province, Sri Lanka |