Quartz, var. Herkimer Diamond Ace of Diamonds Mine, Herkimer County, New York |
Corundum Var. Sapphire Balangoda, near Ratnapura, Sabaragamuwa Province, Sri Lanka |
Zoisite Var. Tanzanite Arusha, Merelani, Tanzania |
Tourmaline var. Uvite with Magnesite and Quartz Brumado, Bahia, Northeast Region, Brazil |
Danburite rough and cut San Luis Potosi, Mexico |
Beryl var. Aquamarine Quy Chau District, Nghe An Province, Vietnam |