Acanthite

Imiter, Atlas Mountains, Morocco

Corundum var. Sapphire

Potanino Mine, Ilmen Mountains, Russia

Olmiite

N Chwanning II Mine, Kuruman, Republic of South Africa

Corundum Var. Sapphire

Balangoda, near Ratnapura, Sabaragamuwa Province, Sri Lanka

Zoisite Var. Tanzanite

Merelani Mine, Lelatema Mountains, Arusha Region, Tanzania

Tourmaline Var. Elbaite

Kunar Province, Afganistan