Apophyllite with Scolecite

Jalisgoan, near Jalgoan, Maharashtra State, India

Corundum var. Sapphire

Potanino Mine, Ilmen Mountains, Russia

Quartz, var. Herkimer Diamond

Ace of Diamonds Mine, Herkimer County, New York

Olmiite on Calcite

N Chwanning II Mine, Kuruman, Republic of South Africa

Opal: Rough and Cut

Shoa Province, Ethiopia

Opal (polished)

Jalisco, Mexico