Corundum Var. Sapphire Balangoda, near Ratnapura, Sabaragamuwa Province, Sri Lanka |
Corundum var. Sapphire Potanino Mine, Ilmen Mountains, Russia |
Olmiite on matrix N Chwanning II Mine, Kuruman, Republic of South Africa |
Opal var. Hyalite San Luis Potosi, Mexico |
Tourmaline Var. Elbaite Kunar Province, Afganistan |
Spinel (rough and cut) Mogok, Sagaing District, Mandalay Division, Burma (Myanmar) |