igneous
Granite
Felsic intrusive igneous rock
Hardness of 6-7 on the Mohs scale, colors range from pink to gray/white with dark mineral specks, vitreous to dull luster, phaneritic (coarse-grained) crystal structure, specific gravity around 2.65-2.75
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Physical properties
Hardness of 6-7 on the Mohs scale, colors range from pink to gray/white with dark mineral specks, vitreous to dull luster, phaneritic (coarse-grained) crystal structure, specific gravity around 2.65-2.75
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, countertops, monuments, and architectural facings
Geological facts
Granite is the most common intrusive rock on Earth's continental crust and forms the core of many major mountain ranges
Field identification & locations
Easily identified by its interlocking visible grains of quartz, feldspar, and mica; found globally in continental shields
