Sphalerite on Quartz Shuikoushan Lead/Zinc Mine, Chaling, Hunan Province, China |
Beryl var. Aquamarine (etched) Itatia Mine, Minas Gerais, Brazil |
Zoisite Var. Tanzanite Arusha, Merelani, Tanzania |
Opal (polished) Jalisco, Mexico |
Danburite rough and cut San Luis Potosi, Mexico |
Corundum Var. Sapphire Balangoda, near Ratnapura, Sabaragamuwa Province, Sri Lanka |