Opal: Rough and Cut Shoa Province, Ethiopia |
Corundum Var. Sapphire Balangoda, near Ratnapura, Sabaragamuwa Province, Sri Lanka |
Tourmaline var. Uvite with Magnesite and Quartz Brumado, Bahia, Northeast Region, Brazil |
Beryl var. Aquamarine Quy Chau District, Nghe An Province, Vietnam |
Quartz Var. Rose Lavra da Ilha Pegmatite, Taquaral, Itinga, Aracuai, Minas Gerais, Brazil |
Dioptase Altyn-Tyube, Karagandy Oblast, Kazakhstan |