igneous
Granite
Felsic intrusive igneous rock
AI-generated identification · may be incorrectHardness of 6 on Mohs scale. Colors range from pink to gray with a speckled appearance due to quartz, feldspar, and biotite grains. Exhibits a phaneritic texture and vitreous 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 on Mohs scale. Colors range from pink to gray with a speckled appearance due to quartz, feldspar, and biotite grains. Exhibits a phaneritic texture and vitreous luster.
Formation & geological history
Formed from the slow cooling of magma rich in silica and alkali metal oxides deep beneath the Earth's crust over millions of years.
Uses & applications
Widely used in architectural construction, countertops, monuments, and crushed stone for roadbeds.
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 in the field by visible interlocking crystals of quartz and pink or white feldspar. Found globally in major mountain ranges and shield areas.
