Rock Identifier
Granite (Intrusive igneous rock primarily composed of quartz, alkali feldspar, and plagioclase) — igneous
igneous

Granite

Intrusive igneous rock primarily composed of quartz, alkali feldspar, and plagioclase

AI-generated identification · may be incorrect

Hardness of 6-7 on the Mohs scale, typically gray, pink, or white with a phaneritic (coarse-grained) crystal structure and dull to vitreous luster.

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Physical properties

Hardness of 6-7 on the Mohs scale, typically gray, pink, or white with a phaneritic (coarse-grained) crystal structure and dull to vitreous luster.

Formation & geological history

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

Uses & applications

Widely used in construction, monument building, countertops, and architectural facing stone.

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 visibly speckled, interlocking mineral grains; found globally in major continental shield areas.