Opal: Rough and Cut

Shoa Province, Ethiopia

Acanthite

Imiter, Atlas Mountains, Morocco

Quartz Var. Rose

Lavra da Ilha Pegmatite, Taquaral, Itinga, Aracuai, Minas Gerais, Brazil

Wulfenite

Wulfenite from Villa Ahumada, Sierra de Los Lamentos, Chihuahua, Mexico

Apophyllite with Scolecite

Jalisgoan, near Jalgoan, Maharashtra State, India

Corundum var. Sapphire

Potanino Mine, Ilmen Mountains, Russia