igneous
Granite
Plutonic Igneous Rock
AI-generated identification · may be incorrectHardness of 6-7 on Mohs scale. Colors range from pink to gray with speckled appearance, vitreous to dull luster, and massive crystal structure.
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Physical properties
Hardness of 6-7 on Mohs scale. Colors range from pink to gray with speckled appearance, vitreous to dull luster, and massive crystal structure.
Formation & geological history
Formed by the slow cooling of magma rich in silica and alkali metals deep beneath the Earth's crust over millions of years.
Uses & applications
Widely used in construction, monument building, countertops, and architectural facing.
Geological facts
Granite is the most common rock of Earth's continental crust and forms the core of many major mountain ranges.
Field identification & locations
Identify by visible interlocking crystals of quartz, feldspar, and mica. Commonly found in shield areas and mountain roots globally.
