Opal: Rough and Cut Shoa Province, Ethiopia |
Diopside Merelani Hills, Lelatema Mtns., Arusha Region, Tanzania |
Olmiite on matrix N Chwanning II Mine, Kuruman, Republic of South Africa |
Corundum Var. Sapphire Balangoda, near Ratnapura, Sabaragamuwa Province, Sri Lanka |
Zoisite Var. Tanzanite Arusha, Merelani, Tanzania |
Tourmaline var. Uvite with Magnesite and Quartz Brumado, Bahia, Northeast Region, Brazil |