Dioptase Altyn-Tyube, Karagandy Oblast, Kazakhstan |
Zoisite Var. Tanzanite Arusha, Merelani, Tanzania |
Opal: Rough and Cut Shoa Province, Ethiopia |
Olmiite on matrix N Chwanning II Mine, Kuruman, Republic of South Africa |
Spinel (rough and cut) Mogok, Sagaing District, Mandalay Division, Burma (Myanmar) |
Diopside Merelani Hills, Lelatema Mtns., Arusha Region, Tanzania |