Olmiite on Calcite

N Chwanning II Mine, Kuruman, Republic of South Africa

Datolite with Quartz

Dalnegorsk, Primorskij Kraj, Russia

Quartz, var. Herkimer Diamond

Ace of Diamonds Mine, Herkimer County, New York

Wulfenite

Wulfenite from Villa Ahumada, Sierra de Los Lamentos, Chihuahua, Mexico

Linarite

Sunshine #1 Mine, Bingham, NM

Corundum var. Sapphire

Potanino Mine, Ilmen Mountains, Russia