Tourmaline var. Uvite with Magnesite and Quartz

Brumado, Bahia, Northeast Region, Brazil

Danburite: Rough and Cut

Charcas, San Luis Potosi, Mexico

Corundum Var. Sapphire

Balangoda, near Ratnapura, Sabaragamuwa Province, Sri Lanka

Quartz, var. Herkimer Diamond

Ace of Diamonds Mine, Herkimer County, New York

Zoisite Var. Tanzanite

Merelani Mine, Lelatema Mountains, Arusha Region, Tanzania

Diopside

Merelani Hills, Lelatema Mtns., Arusha Region, Tanzania