Azurite w/ Malachite Milpillas Mine, Sonora, Mexico |
Diopside Merelani Hills, Lelatema Mtns., Arusha Region, Tanzania |
Danburite rough and cut San Luis Potosi, Mexico |
Sphalerite on Quartz Shuikoushan Lead/Zinc Mine, Chaling, Hunan Province, China |
Corundum Var. Sapphire Balangoda, near Ratnapura, Sabaragamuwa Province, Sri Lanka |
Zoisite Var. Tanzanite Arusha, Merelani, Tanzania |