Sulfur
Carsja, Poland

This specimen measures 15cm x 15cm




Sulfur      S

Native elements; sometimes with small amounts of selenium

Color and Luster: Yellow, greenish or reddish yellow, brown, gray; greasy, resinous, adamantine; streak white

Hardness: 1.5-2.5

Cleavage: Poor, two directions

Fracture: Conchoidal, very brittle

Crystals: Orthorhombic; usually steep bipyramids, sometimes tabular; also granular, fibrous, compact, earthy; reniform, stalactitic, incrusting

Photo by Mary Sutherland


Descriptions taken from
The Audubon Society Field Guide to North American Rocks and Minerals