igneous
Granite
Phaneritic felsic intrusive igneous rock
AI-generated identification · may be incorrectHardness of 6-7 on the Mohs scale, speckled pink, white, gray, and black colors, dull to vitreous luster, with interlocking quartz, feldspar, and biotite grains.
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Physical properties
Hardness of 6-7 on the Mohs scale, speckled pink, white, gray, and black colors, dull to vitreous luster, with interlocking quartz, feldspar, and biotite grains.
Formation & geological history
Formed from the slow cooling and crystallization of magma beneath the Earth's surface over millions of years.
Uses & applications
Widely used in construction for dimension stone, countertops, floor tiles, and monumental architecture.
Geological facts
Granite is the most common intrusive rock in the Earth's continental crust and is exceptionally durable against weathering.
Field identification & locations
Easily identified by its distinct interlocking mineral crystals visible to the naked eye; extremely common in mountainous regions like the Colorado Front Range.
