Rock Identifier
Pyrite (Iron Sulfide (FeS2)) — mineral
mineral

Pyrite

Iron Sulfide (FeS2)

AI-generated identification · may be incorrect

Hardness of 6-6.5 on the Mohs scale, brassy yellow color, metallic luster, isometric crystal system, and a greenish-black streak.

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Physical properties

Hardness of 6-6.5 on the Mohs scale, brassy yellow color, metallic luster, isometric crystal system, and a greenish-black streak.

Formation & geological history

Forms in igneous, metamorphic, and sedimentary rocks through hydrothermal activity, precipitation from solution, and biological processes.

Uses & applications

Historically used to create sparks for firearms, currently utilized in sulfuric acid production and sought after by mineral collectors.

Geological facts

Commonly known as 'Fool's Gold' due to its superficial resemblance to real gold, though it is much harder and lighter.

Field identification & locations

Identified easily by its brassy metallic color, cubic crystal habits, high hardness that scratches glass, and dark streak.