Corundum Var. Sapphire Balangoda, near Ratnapura, Sabaragamuwa Province, Sri Lanka |
Beryl var. Aquamarine Quy Chau District, Nghe An Province, Vietnam |
Quartz Var. Rose Lavra da Ilha Pegmatite, Taquaral, Itinga, Aracuai, Minas Gerais, Brazil |
Adamite on Limonite Ojuela Mine, Mapimi, Durango, Mexico |
Quartz, var. Herkimer Diamond Ace of Diamonds Mine, Herkimer County, New York |
Spinel (rough and cut) Mogok, Sagaing District, Mandalay Division, Burma (Myanmar) |