igneous
Granite
Felsic intrusive igneous rock
AI-generated identification · may be incorrectHardness of 6-7 on Mohs scale, composed mainly of quartz, alkali feldspar, and plagioclase with aphanitic to phaneritic texture. Exhibits vitreous to dull luster with no distinct cleavage.
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Physical properties
Hardness of 6-7 on Mohs scale, composed mainly of quartz, alkali feldspar, and plagioclase with aphanitic to phaneritic texture. Exhibits vitreous to dull luster with no distinct cleavage.
Formation & geological history
Formed through the slow crystallization of magma beneath the Earth's surface over millions of years.
Uses & applications
Widely used in commercial construction, monuments, countertops, and decorative aggregate.
Geological facts
Granite is the most common plutonic rock of Earth's crust and forms the core of many major mountain ranges.
Field identification & locations
Identify by interlocking, visible mineral crystals of quartz and feldspar; commonly found in continental shields and intrusive batholiths.
