Tourmaline var. Uvite with Magnesite and Quartz Brumado, Bahia, Northeast Region, Brazil |
Lapis Lazuli (polished and carved) Sar-e-Sang, Badakhshan Province, Afghanistan |
Opal: Rough and Cut Shoa Province, Ethiopia |
Danburite rough and cut San Luis Potosi, Mexico |
Corundum var. Sapphire Potanino Mine, Ilmen Mountains, Russia |
Corundum Var. Sapphire Balangoda, near Ratnapura, Sabaragamuwa Province, Sri Lanka |