Rock Identifier
Granite (Intrusive Igneous Rock) — igneous
igneous

Granite

Intrusive Igneous Rock

AI-generated identification · may be incorrect

Hardness of 6 on the Mohs scale with a pinkish-red and speckled color, vitreous to dull luster, and a phaneritic crystal structure.

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Physical properties

Hardness of 6 on the Mohs scale with a pinkish-red and speckled color, vitreous to dull luster, and a phaneritic crystal structure.

Formation & geological history

Formed from the slow cooling of silica-rich magma beneath the Earth's surface over millions of years.

Uses & applications

Commonly used in construction, architectural facing, countertops, and monumental stone.

Geological facts

Granite is the most common rock of Earth's continental crust and is exceptionally durable against weathering.

Field identification & locations

Easily identified by its distinct interlocking grains of quartz, feldspar, and mica, found globally in continental shields.