Beryl var. Aquamarine (etched) Itatia Mine, Minas Gerais, Brazil |
Beryl var. Aquamarine Quy Chau District, Nghe An Province, Vietnam |
Corundum var. Sapphire Potanino Mine, Ilmen Mountains, Russia |
Opal (polished) Jalisco, Mexico |
Adamite on Limonite Ojuela Mine, Mapimi, Durango, Mexico |
Tourmaline var. Uvite with Magnesite and Quartz Brumado, Bahia, Northeast Region, Brazil |