Opal var. Hyalite San Luis Potosi, Mexico |
Quartz, var. Herkimer Diamond Ace of Diamonds Mine, Herkimer County, New York |
Adamite on Limonite Ojuela Mine, Mapimi, Durango, Mexico |
Opal: Rough and Cut Shoa Province, Ethiopia |
Tourmaline var. Uvite with Magnesite and Quartz Brumado, Bahia, Northeast Region, Brazil |
Zoisite Var. Tanzanite Arusha, Merelani, Tanzania |