Acanthite

Imiter, Atlas Mountains, Morocco

Olmiite on matrix

N Chwanning II Mine, Kuruman, Republic of South Africa

Opal (rough and cut)

Shoa Province, Ethiopia

Opal (polished)

Jalisco, Mexico

Smithsonite

Tsumeb Mine, Tsumeb, Namibia

Zoisite Var. Tanzanite

Merelani Mine, Lelatema Mountains, Arusha Region, Tanzania