Rock Identifier
Granite (Intrusive Felsic Igneous Rock) — igneous
igneous

Granite

Intrusive Felsic Igneous Rock

AI-generated identification · may be incorrect

Hardness of 6 on the Mohs scale, coarse-grained texture, composed primarily of quartz, alkali feldspar, and plagioclase, with a vitreous to dull luster.

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Physical properties

Hardness of 6 on the Mohs scale, coarse-grained texture, composed primarily of quartz, alkali feldspar, and plagioclase, with a vitreous to dull luster.

Formation & geological history

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

Uses & applications

Widely used as a dimensional stone in construction, countertops, monuments, and curbing.

Geological facts

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

Field identification & locations

Easily identified by its speckled pink, white, and black interlocking mineral crystals; found globally in major continental shields and mountain roots.