Opal var. Hyalite San Luis Potosi, Mexico |
Corundum var. Sapphire Potanino Mine, Ilmen Mountains, Russia |
Zoisite Var. Tanzanite Merelani Mine, Lelatema Mountains, Arusha Region, Tanzania |
Corundum Var. Sapphire Balangoda, near Ratnapura, Sabaragamuwa Province, Sri Lanka |
Olmiite on matrix N Chwanning II Mine, Kuruman, Republic of South Africa |
Quartz var. Faden Dara Ismael Khan District, Waziristan, Pakistan |