Corundum Var. Sapphire Balangoda, near Ratnapura, Sabaragamuwa Province, Sri Lanka |
Sphalerite on Quartz Shuikoushan Lead/Zinc Mine, Chaling, Hunan Province, China |
Beryl var. Aquamarine (etched) Itatia Mine, Minas Gerais, Brazil |
Opal (polished) Jalisco, Mexico |
Quartz Var. Rose Lavra da Ilha Pegmatite, Taquaral, Itinga, Aracuai, Minas Gerais, Brazil |
Quartz var. Faden Dara Ismael Khan District, Waziristan, Pakistan |