Quartz "Faden" Dara Ismael Khan District, Waziristan, Pakistan |
Wulfenite Wulfenite from Villa Ahumada, Sierra de Los Lamentos, Chihuahua, Mexico |
Spinel (rough and cut) Mogok, Sagaing District, Mandalay Division, Burma (Myanmar) |
Beryl var. Aquamarine (etched) Itatia Mine, Minas Gerais, Brazil |
Olmiite on Calcite N Chwanning II Mine, Kuruman, Republic of South Africa |
Danburite rough and cut San Luis Potosi, Mexico |