Zoisite Var. Tanzanite Arusha, Merelani, Tanzania |
Spinel (rough and cut) Mogok, Sagaing District, Mandalay Division, Burma (Myanmar) |
Olmiite on matrix N Chwanning II Mine, Kuruman, Republic of South Africa |
Sphalerite on Quartz Shuikoushan Lead/Zinc Mine, Chaling, Hunan Province, China |
Diopside Merelani Hills, Lelatema Mtns., Arusha Region, Tanzania |
Opal (rough and cut) Shoa Province, Ethiopia |