Rock Identifier
Granite (Intrusive Igneous Rock) — igneous
igneous

Granite

Intrusive Igneous Rock

AI-generated identification · may be incorrect

Mohs hardness of 6 to 7, composed mainly of quartz, feldspar, and mica. Exhibits a phaneritic, coarse-grained crystal structure with pink, white, gray, or black speckling.

Identified More igneous →
Explore Granite in the encyclopedia →

Identify your own rocks.

Get a report just like this from any photo, free.

Physical properties

Mohs hardness of 6 to 7, composed mainly of quartz, feldspar, and mica. Exhibits a phaneritic, coarse-grained crystal structure with pink, white, gray, or black speckling.

Formation & geological history

Formed through the slow crystallization of magma beneath the Earth's surface over millions of years.

Uses & applications

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

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 visible interlocking crystals of quartz and feldspar; commonly found in major mountain ranges and continental shields.