Rock Identifier
Granite (Felsic intrusive igneous rock) — igneous
igneous

Granite

Felsic intrusive igneous rock

AI-generated identification · may be incorrect

Hardness of 6 on the Mohs scale, typically speckled pink, gray, or white with a phaneritic crystal structure and dull to vitreous luster.

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Physical properties

Hardness of 6 on the Mohs scale, typically speckled pink, gray, or white with a phaneritic crystal structure and dull to vitreous luster.

Formation & geological history

Formed from the slow crystallization of magma deep beneath the Earth's surface over millions of years.

Uses & applications

Widely used in construction, architectural facings, monuments, and kitchen countertops.

Geological facts

Granite is the primary component of Earth's continental crust and is exceptionally resistant to weathering.

Field identification & locations

Easily identified by its distinct interlocking mineral grains of quartz, feldspar, and mica. Found globally in major mountain ranges and shield areas.