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

Granite

Felsic intrusive igneous rock

AI-generated identification · may be incorrect

Hardness of 6 on Mohs scale, composed of quartz, alkali feldspar, and plagioclase with aphanitic to phaneritic crystalline structure and vitreous luster.

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Physical properties

Hardness of 6 on Mohs scale, composed of quartz, alkali feldspar, and plagioclase with aphanitic to phaneritic crystalline structure and vitreous luster.

Formation & geological history

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

Uses & applications

Widely used in construction for countertops, flooring, and monuments due to its extreme durability.

Geological facts

Granite forms the core of many major mountain ranges and is one of the most abundant rocks in Earth's continental crust.

Field identification & locations

Identified by its speckled pink, white, and black interlocked mineral grains; found globally in shields and orogenic belts.