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

Sulfur

Sulfur (S)

AI-generated identification · may be incorrect

Mohs hardness of 1.5 to 2.5, bright yellow to greenish-yellow color, resinous to greasy luster, and poor cleavage.

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Physical properties

Mohs hardness of 1.5 to 2.5, bright yellow to greenish-yellow color, resinous to greasy luster, and poor cleavage.

Formation & geological history

Forms in volcanic regions, hot springs, and sedimentary evaporite deposits through sulfurous gas precipitation.

Uses & applications

Used widely in industrial manufacturing of sulfuric acid, fertilizer production, and chemical processing.

Geological facts

Known since ancient times, sulfur is often called brimstone and burns with a characteristic blue flame.

Field identification & locations

Easily identified by its vibrant yellow color, low density, and distinct odor when heated. Found globally near volcanic vents.