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

Granite

Felsic intrusive igneous rock

AI-generated identification · may be incorrect

Hardness of 6-7 on Mohs scale, composed mainly of quartz, alkali feldspar, and plagioclase. Displays phaneritic texture with visible interlocking mineral crystals.

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Physical properties

Hardness of 6-7 on Mohs scale, composed mainly of quartz, alkali feldspar, and plagioclase. Displays phaneritic texture with visible interlocking mineral crystals.

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 in architectural construction, monuments, countertops, and decorative stone flooring.

Geological facts

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

Field identification & locations

Identify in the field by its speckled pink, white, and black crystalline appearance. Found globally in ancient shields and mountain roots.