igneous
Granite
Felsic intrusive igneous rock
AI-generated identification · may be incorrectMohs hardness of 6-7; pink, white, or gray with speckled appearance; dull to sub-vitreous luster; phaneritic crystal structure.
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Physical properties
Mohs hardness of 6-7; pink, white, or gray with speckled appearance; dull to sub-vitreous luster; phaneritic crystal structure.
Formation & geological history
Formed from the slow cooling of silica-rich magma beneath the Earth's surface over millions of years.
Uses & applications
Widely used in construction, architectural facings, monuments, and countertops.
Geological facts
Granite is the most common rock type in the Earth's continental crust and forms the core of many mountain ranges.
Field identification & locations
Identified by visible interlocking mineral crystals of quartz, feldspar, and mica; found globally in shields and orogenic belts.
