Olmiite on matrix

N Chwanning II Mine, Kuruman, Republic of South Africa

Danburite: Rough and Cut

Charcas, San Luis Potosi, Mexico

Acanthite

Imiter, Atlas Mountains, Morocco

Beryl var. Aquamarine

Quy Chau District, Nghe An Province, Vietnam

Zoisite Var. Tanzanite

Arusha, Merelani, Tanzania

Corundum var. Sapphire

Potanino Mine, Ilmen Mountains, Russia