igneous
Granite
Intrusive igneous rock composed mainly of quartz, alkali feldspar, and plagioclase
AI-generated identification · may be incorrectHardness of 6 on the Mohs scale, coarse-grained phaneritic texture, variable colors from pink to gray, and vitreous to dull luster.
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Physical properties
Hardness of 6 on the Mohs scale, coarse-grained phaneritic texture, variable colors from pink to gray, and vitreous to dull luster.
Formation & geological history
Formed from the slow crystallization of magma below Earth's surface over millions of years.
Uses & applications
Widely used in construction, architectural facings, monuments, and countertops.
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 mineral crystals of quartz and feldspar; commonly found in continental shields globally.
