Acanthite

Imiter, Atlas Mountains, Morocco

Quartz, var. Herkimer Diamond

Ace of Diamonds Mine, Herkimer County, New York

Garnet var. Hessonite

Jeffrey Mine, Asbestos, Quebec, Canada

Heulandite with Stilbite

Jalgon, Maharashtra State, India

Opal (polished)

Jalisco, Mexico

Corundum Var. Sapphire

Balangoda, near Ratnapura, Sabaragamuwa Province, Sri Lanka