Rock Identifier
Granite (Intrusive Igneous Rock) — igneous
igneous

Granite

Intrusive Igneous Rock

AI-generated identification · may be incorrect

Hardness of 6 on the Mohs scale, salt-and-pepper coloration, dull to vitreous luster, phaneritic crystal texture, specific gravity of 2.65 to 2.75.

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, salt-and-pepper coloration, dull to vitreous luster, phaneritic crystal texture, specific gravity of 2.65 to 2.75.

Formation & geological history

Formed through the slow cooling of silica-rich magma beneath the Earth's surface over millions of years.

Uses & applications

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

Geological facts

Granite is the most common plutonic rock in the Earth's crust and forms the foundation of many continental mountain ranges.

Field identification & locations

Easily identified by its interlocking visible crystals of quartz, feldspar, and biotite mica; found globally in continental shields.