Corundum Var. Sapphire Balangoda, near Ratnapura, Sabaragamuwa Province, Sri Lanka |
Danburite rough and cut San Luis Potosi, Mexico |
Zoisite Var. Tanzanite Merelani Mine, Lelatema Mountains, Arusha Region, Tanzania |
Diopside Merelani Hills, Lelatema Mtns., Arusha Region, Tanzania |
Tourmaline var. Uvite with Magnesite and Quartz Brumado, Bahia, Northeast Region, Brazil |
Adamite on Limonite Ojuela Mine, Mapimi, Durango, Mexico |