Opal (rough and cut) Shoa Province, Ethiopia |
Adamite on Limonite Ojuela Mine, Mapimi, Durango, Mexico |
Opal (polished) Jalisco, Mexico |
Beryl var. Aquamarine Quy Chau District, Nghe An Province, Vietnam |
Tourmaline Var. Elbaite Kunar Province, Afganistan |
Olmiite on matrix N Chwanning II Mine, Kuruman, Republic of South Africa |