Quartz "Faden" Dara Ismael Khan District, Waziristan, Pakistan |
Olmiite on Calcite N Chwanning II Mine, Kuruman, Republic of South Africa |
Opal var. Hyalite San Luis Potosi, Mexico |
Wulfenite Wulfenite from Villa Ahumada, Sierra de Los Lamentos, Chihuahua, Mexico |
Beryl var. Aquamarine (etched) Itatia Mine, Minas Gerais, Brazil |
Opal (rough and cut) Shoa Province, Ethiopia |