Dioptase

Altyn-Tyube, Karagandy Oblast, Kazakhstan

Heulandite with Stilbite

Jalgon, Maharashtra State, India

Olmiite on Calcite

N Chwanning II Mine, Kuruman, Republic of South Africa

Corundum Var. Sapphire

Balangoda, near Ratnapura, Sabaragamuwa Province, Sri Lanka

Corundum Var. Sapphire

Balangoda, near Ratnapura, Sabaragamuwa Province, Sri Lanka

Zoisite Var. Tanzanite

Merelani Mine, Lelatema Mountains, Arusha Region, Tanzania