Adamite on Limonite Ojuela Mine, Mapimi, Durango, Mexico |
Diopside Merelani Hills, Lelatema Mtns., Arusha Region, Tanzania |
Corundum Var. Sapphire Balangoda, near Ratnapura, Sabaragamuwa Province, Sri Lanka |
Garnet var. Hessonite Jeffrey Mine, Asbestos, Quebec, Canada |
Spinel (rough and cut) Mogok, Sagaing District, Mandalay Division, Burma (Myanmar) |
Olmiite on matrix N Chwanning II Mine, Kuruman, Republic of South Africa |