igneous
Granite
Felsic intrusive igneous rock
Hardness of 6 on the Mohs scale, colors range from pink to gray depending on mineral composition, glassy to dull luster, phaneritic crystal structure, specific gravity around 2.65 to 2.75.
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Physical properties
Hardness of 6 on the Mohs scale, colors range from pink to gray depending on mineral composition, glassy to dull luster, phaneritic crystal structure, specific gravity around 2.65 to 2.75.
Formation & geological history
Formed from the slow crystallization of magma below the Earth's surface over millions of years.
Uses & applications
Widely used in construction, countertops, monuments, and architectural facings.
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 by its visible interlocking crystals of quartz, feldspar, and mica. Found worldwide in continental shields and mountain cores.
