Opal (rough and cut) Shoa Province, Ethiopia |
Corundum Var. Sapphire Balangoda, near Ratnapura, Sabaragamuwa Province, Sri Lanka |
Danburite rough and cut San Luis Potosi, Mexico |
Quartz Var. Rose Lavra da Ilha Pegmatite, Taquaral, Itinga, Aracuai, Minas Gerais, Brazil |
Adamite on Limonite Ojuela Mine, Mapimi, Durango, Mexico |
Zoisite Var. Tanzanite Merelani Mine, Lelatema Mountains, Arusha Region, Tanzania |