Opal: Rough and Cut Shoa Province, Ethiopia |
Quartz "Faden" Dara Ismael Khan District, Waziristan, Pakistan |
Sphalerite on Quartz Shuikoushan Lead/Zinc Mine, Chaling, Hunan Province, China |
Opal (rough and cut) Shoa Province, Ethiopia |
Corundum Var. Sapphire Balangoda, near Ratnapura, Sabaragamuwa Province, Sri Lanka |
Opal var. Hyalite San Luis Potosi, Mexico |