Quartz, var. Herkimer Diamond Ace of Diamonds Mine, Herkimer County, New York |
Dioptase Altyn-Tyube, Karagandy Oblast, Kazakhstan |
Zoisite Var. Tanzanite Arusha, Merelani, Tanzania |
Danburite rough and cut San Luis Potosi, Mexico |
Wulfenite Wulfenite from Villa Ahumada, Sierra de Los Lamentos, Chihuahua, Mexico |
Diopside Merelani Hills, Lelatema Mtns., Arusha Region, Tanzania |