Olmiite on matrix N Chwanning II Mine, Kuruman, Republic of South Africa |
Diopside Merelani Hills, Lelatema Mtns., Arusha Region, Tanzania |
Quartz, var. Herkimer Diamond Ace of Diamonds Mine, Herkimer County, New York |
Azurite w/ Malachite Milpillas Mine, Sonora, Mexico |
Danburite rough and cut San Luis Potosi, Mexico |
Corundum Var. Sapphire Balangoda, near Ratnapura, Sabaragamuwa Province, Sri Lanka |