
igneous
Granite
Felsic intrusive igneous rock
AI-generated identification · may be incorrectHardness of 6 on the Mohs scale, coarse-grained texture, composed primarily of quartz, alkali feldspar, and plagioclase, with a vitreous to dull luster.
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Physical properties
Hardness of 6 on the Mohs scale, coarse-grained texture, composed primarily of quartz, alkali feldspar, and plagioclase, with a vitreous to dull luster.
Formation & geological history
Formed from the slow crystallization of magma below Earth's surface over millions of years.
Uses & applications
Widely used in construction, architectural facings, monuments, and countertops.
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
Identifiable by its visible interlocking mineral crystals of quartz (clear/gray), feldspar (pink/white), and biotite (black). Found globally in continental shields.