Quartz, var. Herkimer Diamond Ace of Diamonds Mine, Herkimer County, New York |
Opal (polished) Jalisco, Mexico |
Adamite on Limonite Ojuela Mine, Mapimi, Durango, Mexico |
Danburite rough and cut San Luis Potosi, Mexico |
Diopside Merelani Hills, Lelatema Mtns., Arusha Region, Tanzania |
Wulfenite Wulfenite from Villa Ahumada, Sierra de Los Lamentos, Chihuahua, Mexico |