Acanthite

Imiter, Atlas Mountains, Morocco

Quartz, var. Herkimer Diamond

Ace of Diamonds Mine, Herkimer County, New York

Heulandite with Stilbite

Jalgon, Maharashtra State, India

Lapis Lazuli (polished and carved)

Sar-e-Sang, Badakhshan Province, Afghanistan

Smithsonite

Tsumeb Mine, Tsumeb, Namibia

Spinel (rough and cut)

Mogok, Sagaing District, Mandalay Division, Burma (Myanmar)