Corundum var. Sapphire Potanino Mine, Ilmen Mountains, Russia |
Diopside Merelani Hills, Lelatema Mtns., Arusha Region, Tanzania |
Quartz, var. Herkimer Diamond Ace of Diamonds Mine, Herkimer County, New York |
Opal var. Hyalite San Luis Potosi, Mexico |
Zoisite Var. Tanzanite Arusha, Merelani, Tanzania |
Opal (polished) Jalisco, Mexico |