
igneous
Granite
Intrusive igneous rock primarily composed of quartz, alkali feldspar, and plagioclase
AI-generated identification · may be incorrectHardness of 6-7 on the Mohs scale, typically gray, pink, or white with a phaneritic (coarse-grained) crystal structure and dull to vitreous luster.
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Physical properties
Hardness of 6-7 on the Mohs scale, typically gray, pink, or white with a phaneritic (coarse-grained) crystal structure and dull to vitreous luster.
Formation & geological history
Formed from the slow cooling and solidification of magma deep beneath the Earth's surface over millions of years.
Uses & applications
Widely used in construction, monument building, countertops, and architectural facing stone.
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 visibly speckled, interlocking mineral grains; found globally in major continental shield areas.