Rock Identifier
Sulfur (Native Sulfur (S)) — mineral
mineral

Sulfur

Native Sulfur (S)

AI-generated identification · may be incorrect

Hardness of 1.5 to 2.5 on the Mohs scale, bright yellow color, resinous to greasy luster, and poor cleavage with a specific gravity around 2.1.

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Physical properties

Hardness of 1.5 to 2.5 on the Mohs scale, bright yellow color, resinous to greasy luster, and poor cleavage with a specific gravity around 2.1.

Formation & geological history

Formed mainly around volcanic fumaroles, hot springs, and sedimentary evaporite deposits through the reduction of sulfate minerals.

Uses & applications

Extensively used in the industrial manufacturing of sulfuric acid, vulcanization of rubber, and production of fertilizers.

Geological facts

Native sulfur has been known since antiquity and burns with a distinctive blue flame accompanied by a suffocating odor.

Field identification & locations

Easily identified in the field by its vibrant yellow color, low density, and characteristic odor when rubbed or heated; found globally in volcanic regions.