Corundum Var. Sapphire Balangoda, near Ratnapura, Sabaragamuwa Province, Sri Lanka |
Garnet var. Hessonite Jeffrey Mine, Asbestos, Quebec, Canada |
Quartz "Faden" Dara Ismael Khan District, Waziristan, Pakistan |
Serandite with Aegirine Mont St. Hilaire, Quebec, Canada |
Danburite rough and cut San Luis Potosi, Mexico |
Olmiite on matrix N Chwanning II Mine, Kuruman, Republic of South Africa |