Opal var. Hyalite San Luis Potosi, Mexico |
Opal (polished) Jalisco, Mexico |
Corundum Var. Sapphire Balangoda, near Ratnapura, Sabaragamuwa Province, Sri Lanka |
Garnet var. Hessonite Jeffrey Mine, Asbestos, Quebec, Canada |
Beryl var. Aquamarine (etched) Itatia Mine, Minas Gerais, Brazil |
Zoisite Var. Tanzanite Arusha, Merelani, Tanzania |