igneous
Granite
Felsic intrusive igneous rock
AI-generated identification · may be incorrectHardness of 6 on Mohs scale, predominantly gray with speckled black and white grains, dull to vitreous luster, phaneritic crystal structure.
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Physical properties
Hardness of 6 on Mohs scale, predominantly gray with speckled black and white grains, dull to vitreous luster, phaneritic crystal structure.
Formation & geological history
Formed from the slow cooling of silica-rich magma deep underground, typically over millions of years.
Uses & applications
Widely used in construction, architectural monuments, countertops, and decorative stone flooring.
Geological facts
Granite is the most common rock of Earth's continental crust and is frequently found in major mountain ranges worldwide.
Field identification & locations
Easily identified by its visible interlocking quartz, feldspar, and mica crystals. Commonly found in shield areas and mountain cores.
