igneous
Granite
Intrusive Igneous Rock
Hardness of 6 on the Mohs scale, predominantly white, pink, or gray with dark mineral specks, vitreous to dull luster, interlocking crystalline structure, specific gravity around 2.65 to 2.75.
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Physical properties
Hardness of 6 on the Mohs scale, predominantly white, pink, or gray with dark mineral specks, vitreous to dull luster, interlocking crystalline structure, specific gravity around 2.65 to 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
Commonly used in construction, countertops, monuments, floor tiles, and architectural facing.
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 ranges.
