Opal var. Hyalite San Luis Potosi, Mexico |
Beryl var. Aquamarine (etched) Itatia Mine, Minas Gerais, Brazil |
Dioptase Altyn-Tyube, Karagandy Oblast, Kazakhstan |
Tourmaline var. Uvite with Magnesite and Quartz Brumado, Bahia, Northeast Region, Brazil |
Corundum Var. Sapphire Balangoda, near Ratnapura, Sabaragamuwa Province, Sri Lanka |
Quartz var. Faden Dara Ismael Khan District, Waziristan, Pakistan |