Tourmaline Var. Elbaite Kunar Province, Afganistan |
Serandite with Aegirine Mont St. Hilaire, Quebec, Canada |
Wulfenite Wulfenite from Villa Ahumada, Sierra de Los Lamentos, Chihuahua, Mexico |
Corundum var. Sapphire Potanino Mine, Ilmen Mountains, Russia |
Danburite rough and cut San Luis Potosi, Mexico |
Quartz Var. Rose Lavra da Ilha Pegmatite, Taquaral, Itinga, Aracuai, Minas Gerais, Brazil |