Opal var. Hyalite San Luis Potosi, Mexico |
Diopside Merelani Hills, Lelatema Mtns., Arusha Region, Tanzania |
Beryl var. Aquamarine (etched) Itatia Mine, Minas Gerais, Brazil |
Danburite rough and cut San Luis Potosi, Mexico |
Quartz Var. Rose Lavra da Ilha Pegmatite, Taquaral, Itinga, Aracuai, Minas Gerais, Brazil |
Apophyllite with Scolecite Jalisgoan, near Jalgoan, Maharashtra State, India |