igneous
Granite
Felsic intrusive igneous rock
AI-generated identification · may be incorrectHardness of 6 on the Mohs scale. Composed mainly of quartz, alkali feldspar, and plagioclase with aphanitic to phaneritic interlocking crystal structure.
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Physical properties
Hardness of 6 on the Mohs scale. Composed mainly of quartz, alkali feldspar, and plagioclase with aphanitic to phaneritic interlocking crystal structure.
Formation & geological history
Formed from the slow crystallization of magma below Earth's surface over millions of years.
Uses & applications
Widely used in construction for countertops, flooring, monuments, and curbing.
Geological facts
Granite is the most common rock of Earth's continental crust and forms the core of many mountain ranges.
Field identification & locations
Identified by its visible interlocking crystals of pink/white feldspar, glassy quartz, and black biotite mica. Found globally in continental shields.
