Opal var. Hyalite San Luis Potosi, Mexico |
Zoisite Var. Tanzanite Merelani Mine, Lelatema Mountains, Arusha Region, Tanzania |
Wulfenite Wulfenite from Villa Ahumada, Sierra de Los Lamentos, Chihuahua, Mexico |
Beryl var. Aquamarine (etched) Itatia Mine, Minas Gerais, Brazil |
Corundum var. Sapphire Potanino Mine, Ilmen Mountains, Russia |
Corundum Var. Sapphire Balangoda, near Ratnapura, Sabaragamuwa Province, Sri Lanka |