Zoisite Var. Tanzanite Arusha, Merelani, Tanzania |
Corundum var. Sapphire Potanino Mine, Ilmen Mountains, Russia |
Diopside Merelani Hills, Lelatema Mtns., Arusha Region, Tanzania |
Opal var. Hyalite San Luis Potosi, Mexico |
Opal (rough and cut) Shoa Province, Ethiopia |
Quartz "Faden" Dara Ismael Khan District, Waziristan, Pakistan |