Acanthite

Imiter, Atlas Mountains, Morocco

Datolite with Quartz

Dalnegorsk, Primorskij Kraj, Russia

Heulandite with Stilbite

Jalgon, Maharashtra State, India

Opal var. Hyalite

San Luis Potosi, Mexico

Corundum Var. Sapphire

Balangoda, near Ratnapura, Sabaragamuwa Province, Sri Lanka

Zoisite Var. Tanzanite

Arusha, Merelani, Tanzania