igneous
Granite
Felsic intrusive igneous rock
AI-generated identification · may be incorrectHardness of 6-7 on Mohs scale, coarse-grained texture, vitreous to dull luster, composed mainly of quartz, alkali feldspar, and plagioclase.
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Physical properties
Hardness of 6-7 on Mohs scale, coarse-grained texture, vitreous to dull luster, composed mainly of quartz, alkali feldspar, and plagioclase.
Formation & geological history
Formed from the slow cooling of silica-rich magma deep beneath the Earth's surface over millions of years.
Uses & applications
Widely used in construction, architectural monuments, countertops, and decorative stone facing.
Geological facts
Granite makes up a major component of the Earth's continental crust and is exceptionally resistant to weathering.
Field identification & locations
Identified in the field by its visible interlocking crystals of quartz, feldspar, and dark biotite mica; found globally in major shields and mountain cores.
