Acanthite

Imiter, Atlas Mountains, Morocco

Adamite on Limonite

Ojuela Mine, Mapimi, Durango, Mexico

Danburite: Rough and Cut

Charcas, San Luis Potosi, Mexico

Lapis Lazuli (polished and carved)

Sar-e-Sang, Badakhshan Province, Afghanistan

Olmiite on matrix

N Chwanning II Mine, Kuruman, Republic of South Africa

Wulfenite

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