mineral
Sulfur
Native Sulfur (S)
AI-generated identification · may be incorrectHardness of 1.5 to 2.5 on the Mohs scale, vibrant yellow to brownish-yellow color, resinous to greasy luster, orthorhombic crystal system, and poor cleavage.
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Physical properties
Hardness of 1.5 to 2.5 on the Mohs scale, vibrant yellow to brownish-yellow color, resinous to greasy luster, orthorhombic crystal system, and poor cleavage.
Formation & geological history
Formed around hot springs, volcanic fumaroles, and through the action of sulfate-reducing bacteria in sedimentary evaporite deposits.
Uses & applications
Extensively used in the industrial production of sulfuric acid, vulcanization of rubber, and manufacturing fertilizers.
Geological facts
Known since antiquity, native sulfur is famous for its distinctive rotten-egg odor when burned and bright yellow crystalline habit.
Field identification & locations
Easily identified in the field by its striking yellow color, low hardness, and characteristic odor when scratched or heated.
