Apophyllite with Scolecite

Jalisgoan, near Jalgoan, Maharashtra State, India

Corundum var. Sapphire

Potanino Mine, Ilmen Mountains, Russia

Danburite rough and cut

San Luis Potosi, Mexico

Opal var. Hyalite

San Luis Potosi, Mexico

Sphalerite on Quartz

Shuikoushan Lead/Zinc Mine, Chaling, Hunan Province, China

Wulfenite

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