Rock Identifier
Granite (Granite) — igneous
igneous

Granite

Granite

AI-generated identification · may be incorrect

Hardness of 6 on the Mohs scale, pink to grey color, vitreous to dull luster, phaneritic crystal structure, and specific gravity around 2.65.

Identified More igneous →
Explore Granite in the encyclopedia →

Identify your own rocks.

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

Physical properties

Hardness of 6 on the Mohs scale, pink to grey color, vitreous to dull luster, phaneritic crystal structure, and specific gravity around 2.65.

Formation & geological history

Formed from the slow cooling of silica-rich magma beneath the 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 is the most common rock of the Earth's continental crust and is not found anywhere else in the solar system.

Field identification & locations

Easily identified by its distinct interlocking crystals of quartz, feldspar, and mica; found globally in major mountain belts and shields.