Corundum var. Sapphire Potanino Mine, Ilmen Mountains, Russia |
Zoisite Var. Tanzanite Merelani Mine, Lelatema Mountains, Arusha Region, Tanzania |
Diopside Merelani Hills, Lelatema Mtns., Arusha Region, Tanzania |
Quartz, var. Herkimer Diamond Ace of Diamonds Mine, Herkimer County, New York |
Adamite on Limonite Ojuela Mine, Mapimi, Durango, Mexico |
Opal (polished) Jalisco, Mexico |