Danburite rough and cut San Luis Potosi, Mexico |
Olmiite on Calcite N Chwanning II Mine, Kuruman, Republic of South Africa |
Zoisite Var. Tanzanite Arusha, Merelani, Tanzania |
Quartz var. Faden Dara Ismael Khan District, Waziristan, Pakistan |
Spinel (rough and cut) Mogok, Sagaing District, Mandalay Division, Burma (Myanmar) |
Beryl var. Aquamarine Quy Chau District, Nghe An Province, Vietnam |