Wulfenite Wulfenite from Villa Ahumada, Sierra de Los Lamentos, Chihuahua, Mexico |
Quartz, var. Herkimer Diamond Ace of Diamonds Mine, Herkimer County, New York |
Spinel (rough and cut) Mogok, Sagaing District, Mandalay Division, Burma (Myanmar) |
Olmiite on matrix N Chwanning II Mine, Kuruman, Republic of South Africa |
Opal: Rough and Cut Shoa Province, Ethiopia |
Azurite w/ Malachite Milpillas Mine, Sonora, Mexico |