igneous
Granite
Intrusive igneous rock
AI-generated identification · may be incorrectHardness of 6-7 on Mohs scale, pink to gray color, phaneritic texture with visible quartz, feldspar, and biotite crystals, vitreous to dull luster.
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 6-7 on Mohs scale, pink to gray color, phaneritic texture with visible quartz, feldspar, and biotite crystals, vitreous to dull luster.
Formation & geological history
Formed from the slow crystallization of 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 rock of Earth's continental crust and is exceptionally durable against weathering.
Field identification & locations
Easily identified by interlocking crystals of pink orthoclase feldspar, translucent quartz, and dark mica flakes. Very common globally and highly plausible in the Colorado Front Range.
