Corundum Var. Sapphire Balangoda, near Ratnapura, Sabaragamuwa Province, Sri Lanka |
Opal var. Hyalite San Luis Potosi, Mexico |
Tourmaline Var. Elbaite Kunar Province, Afganistan |
Opal: Rough and Cut Shoa Province, Ethiopia |
Olmiite on Calcite N Chwanning II Mine, Kuruman, Republic of South Africa |
Zoisite Var. Tanzanite Arusha, Merelani, Tanzania |