Wulfenite Wulfenite from Villa Ahumada, Sierra de Los Lamentos, Chihuahua, Mexico |
Olmiite on Calcite N Chwanning II Mine, Kuruman, Republic of South Africa |
Opal: Rough and Cut Shoa Province, Ethiopia |
Sphalerite on Quartz Shuikoushan Lead/Zinc Mine, Chaling, Hunan Province, China |
Quartz var. Faden Dara Ismael Khan District, Waziristan, Pakistan |
Diopside Merelani Hills, Lelatema Mtns., Arusha Region, Tanzania |