Diopside

Merelani Hills, Lelatema Mtns., Arusha Region, Tanzania

Lapis Lazuli (polished and carved)

Sar-e-Sang, Badakhshan Province, Afghanistan

Olmiite on matrix

N Chwanning II Mine, Kuruman, Republic of South Africa

Opal: Rough and Cut

Shoa Province, Ethiopia

Opal (polished)

Jalisco, Mexico

Wulfenite

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