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. Colors range from pink to gray with visible quartz, feldspar, and biotite grains. Possesses a dull to vitreous luster and granular structure.

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Physical properties

Hardness of 6 on the Mohs scale. Colors range from pink to gray with visible quartz, feldspar, and biotite grains. Possesses a dull to vitreous luster and granular structure.

Formation & geological history

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

Uses & applications

Widely used in construction, architectural monuments, countertops, and decorative tiles.

Geological facts

Granite is the most common rock of Earth's continental crust and forms the core of many mountain ranges.

Field identification & locations

Easily identified in the field by its interlocking, coarse-grained crystals of quartz, plagioclase, and potassium feldspar.