Olmiite

N Chwanning II Mine, Kuruman, Republic of South Africa

Sphalerite on Quartz

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

Corundum Var. Sapphire

Balangoda, near Ratnapura, Sabaragamuwa Province, Sri Lanka

Wulfenite

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

Diopside

Merelani Hills, Lelatema Mtns., Arusha Region, Tanzania

Adamite on Limonite

Ojuela Mine, Mapimi, Durango, Mexico