Quartz "Faden"

Dara Ismael Khan District, Waziristan, Pakistan

Heulandite with Stilbite

Jalgon, Maharashtra State, India

Beryl var. Aquamarine (etched)

Itatia Mine, Minas Gerais, Brazil

Beryl var. Aquamarine

Quy Chau District, Nghe An Province, Vietnam

Opal (rough and cut)

Shoa Province, Ethiopia

Corundum var. Sapphire

Potanino Mine, Ilmen Mountains, Russia