igneous
Granite
Felsic intrusive igneous rock
AI-generated identification · may be incorrectHardness of 6-7 on Mohs scale, composed mainly of quartz, alkali feldspar, and plagioclase. Color varies from pink to gray with a phaneritic, coarse-grained crystal structure and vitreous to dull luster.
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Physical properties
Hardness of 6-7 on Mohs scale, composed mainly of quartz, alkali feldspar, and plagioclase. Color varies from pink to gray with a phaneritic, coarse-grained crystal structure and 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, architectural buildings, monuments, countertops, and decorative aggregate.
Geological facts
Granite is the most common rock of the Earth's continental crust and forms the core of many mountain ranges.
Field identification & locations
Identified by visible interlocking mineral crystals of quartz, pink or white feldspar, and dark biotite mica. Found globally in continental shields.
