Olmiite

N Chwanning II Mine, Kuruman, Republic of South Africa

Opal (rough and cut)

Shoa Province, Ethiopia

Corundum Var. Sapphire

Balangoda, near Ratnapura, Sabaragamuwa Province, Sri Lanka

Serandite with Aegirine

Mont St. Hilaire, Quebec, Canada

Sphalerite on Quartz

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

Zoisite Var. Tanzanite

Arusha, Merelani, Tanzania