igneous
Granite
Phaneritic felsic intrusive igneous rock
AI-generated identification · may be incorrectHardness of 6 on the Mohs scale, composed primarily of pink potassium feldspar, quartz, and dark biotite mica with a vitreous to dull luster.
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Physical properties
Hardness of 6 on the Mohs scale, composed primarily of pink potassium feldspar, quartz, and dark biotite mica with a vitreous to dull luster.
Formation & geological history
Formed through the slow, subterranean cooling of silica-rich magma over millions of years.
Uses & applications
Widely used in commercial construction as dimension stone, countertops, architectural facing, and monuments.
Geological facts
Granite forms the core of many major mountain ranges and is the most common plutonic rock on Earth's continental crust.
Field identification & locations
Easily identified in the field by its coarse-grained interlocking mineral crystals and dominant pink or grey coloration; found globally in continental shields.
