Opal var. Hyalite San Luis Potosi, Mexico |
Dioptase Altyn-Tyube, Karagandy Oblast, Kazakhstan |
Adamite on Limonite Ojuela Mine, Mapimi, Durango, Mexico |
Olmiite on Calcite N Chwanning II Mine, Kuruman, Republic of South Africa |
Spinel (rough and cut) Mogok, Sagaing District, Mandalay Division, Burma (Myanmar) |
Zoisite Var. Tanzanite Arusha, Merelani, Tanzania |