Opal: Rough and Cut Shoa Province, Ethiopia |
Opal (polished) Jalisco, Mexico |
Corundum Var. Sapphire Balangoda, near Ratnapura, Sabaragamuwa Province, Sri Lanka |
Olmiite on Calcite N Chwanning II Mine, Kuruman, Republic of South Africa |
Zoisite Var. Tanzanite Arusha, Merelani, Tanzania |
Diopside Merelani Hills, Lelatema Mtns., Arusha Region, Tanzania |