Sphalerite on Quartz Shuikoushan Lead/Zinc Mine, Chaling, Hunan Province, China |
Zoisite Var. Tanzanite Merelani Mine, Lelatema Mountains, Arusha Region, Tanzania |
Quartz, var. Herkimer Diamond Ace of Diamonds Mine, Herkimer County, New York |
Danburite rough and cut San Luis Potosi, Mexico |
Diopside Merelani Hills, Lelatema Mtns., Arusha Region, Tanzania |
Serandite with Aegirine Mont St. Hilaire, Quebec, Canada |