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

Sulphur

Sulfur (S)

AI-generated identification · may be incorrect

Mohs hardness of 1.5 to 2.5. Vibrant yellow color, resinous to greasy luster, and a distinctive rotten egg odor when rubbed.

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Physical properties

Mohs hardness of 1.5 to 2.5. Vibrant yellow color, resinous to greasy luster, and a distinctive rotten egg odor when rubbed.

Formation & geological history

Forms primarily around volcanic fumaroles, hot springs, and sedimentary evaporite deposits through chemical precipitation.

Uses & applications

Extensively used in the manufacture of sulfuric acid, fertilizer production, rubber vulcanization, and chemical synthesis.

Geological facts

Native sulfur has been known since ancient times and is often found in association with salt domes and gypsum beds.

Field identification & locations

Easily identified by its bright yellow color, low hardness, and low specific gravity; found worldwide in volcanic regions.