Danburite rough and cut San Luis Potosi, Mexico |
Opal: Rough and Cut Shoa Province, Ethiopia |
Quartz, var. Herkimer Diamond Ace of Diamonds Mine, Herkimer County, New York |
Opal var. Hyalite San Luis Potosi, Mexico |
Beryl var. Aquamarine (etched) Itatia Mine, Minas Gerais, Brazil |
Beryl var. Aquamarine Quy Chau District, Nghe An Province, Vietnam |