Opal (polished) Jalisco, Mexico |
Adamite on Limonite Ojuela Mine, Mapimi, Durango, Mexico |
Corundum var. Sapphire Potanino Mine, Ilmen Mountains, Russia |
Corundum Var. Sapphire Balangoda, near Ratnapura, Sabaragamuwa Province, Sri Lanka |
Beryl var. Aquamarine Quy Chau District, Nghe An Province, Vietnam |
Tourmaline var. Uvite with Magnesite and Quartz Brumado, Bahia, Northeast Region, Brazil |