Adamite on Limonite

Ojuela Mine, Mapimi, Durango, Mexico

Opal (rough and cut)

Shoa Province, Ethiopia

Quartz var. Faden

Dara Ismael Khan District, Waziristan, Pakistan

Corundum Var. Sapphire

Balangoda, near Ratnapura, Sabaragamuwa Province, Sri Lanka

Smithsonite

Tsumeb Mine, Tsumeb, Namibia

Wulfenite

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