Corundum Var. Sapphire Balangoda, near Ratnapura, Sabaragamuwa Province, Sri Lanka |
Quartz "Faden" Dara Ismael Khan District, Waziristan, Pakistan |
Diopside Merelani Hills, Lelatema Mtns., Arusha Region, Tanzania |
Adamite on Limonite Ojuela Mine, Mapimi, Durango, Mexico |
Corundum var. Sapphire Potanino Mine, Ilmen Mountains, Russia |
Opal (rough and cut) Shoa Province, Ethiopia |