igneous
Granite
Intrusive igneous rock
AI-generated identification · may be incorrectHardness of 6 on the Mohs scale, pink to gray color, vitreous luster, phaneritic crystal structure, specific gravity around 2.75.
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Physical properties
Hardness of 6 on the Mohs scale, pink to gray color, vitreous luster, phaneritic crystal structure, specific gravity around 2.75.
Formation & geological history
Formed from the slow cooling of magma rich in silica and alkali feldspar deep beneath the Earth's crust.
Uses & applications
Widely used in construction for countertops, floor tiles, curbing, and monuments.
Geological facts
Granite is the most common rock type in the continental crust and forms the core of many major mountain ranges.
Field identification & locations
Easily identified by its distinct interlocking grains of quartz, feldspar, and mica; found worldwide in continental shields.
