igneous
Granite
Intrusive igneous rock primarily composed of quartz, alkali feldspar, and plagioclase
AI-generated identification · may be incorrectMohs hardness of 6-7; colors range from pink to gray; phaneritic, coarse-grained crystal structure with vitreous luster
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Physical properties
Mohs hardness of 6-7; colors range from pink to gray; phaneritic, coarse-grained crystal structure with vitreous luster
Formation & geological history
Formed from the slow cooling and crystallization of magma deep beneath the Earth's crust over millions of years
Uses & applications
Widely used in construction, monuments, countertops, and architectural facing stone
Geological facts
Granite is the most common rock of Earth's continental crust and is exceptionally durable against weathering
Field identification & locations
Easily identified by its visibly speckled, interlocking mineral grains; found globally in major mountain ranges and shields
