mineral
Sulfur
Sulfur (S)
AI-generated identification · may be incorrectMohs hardness of 1.5 to 2.5, bright yellow color, resinous to greasy luster, orthorhombic crystal system, poor cleavage.
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Physical properties
Mohs hardness of 1.5 to 2.5, bright yellow color, resinous to greasy luster, orthorhombic crystal system, poor cleavage.
Formation & geological history
Forms primarily around volcanic fumaroles, hot springs, and in sedimentary evaporite deposits through chemical precipitation.
Uses & applications
Used extensively in the manufacture of sulfuric acid, fertilizer production, rubber vulcanization, and chemical processing.
Geological facts
Native sulfur is known for its distinct bright yellow hue and strong odor when heated. It has been mined since ancient times.
Field identification & locations
Readily identified in the field by its distinct yellow color, low hardness, and characteristic rotten egg smell when rubbed or burned. Found worldwide near active volcanoes.
