igneous
Granite
Plutonic Igneous Rock (Quartz, Feldspar, Micas)
AI-generated identification · may be incorrectHardness 6 on Mohs scale, coarse-grained texture, vitreous to dull luster, pink/red and black mottled coloration, specific gravity around 2.65.
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Physical properties
Hardness 6 on Mohs scale, coarse-grained texture, vitreous to dull luster, pink/red and black mottled coloration, specific gravity around 2.65.
Formation & geological history
Formed from the slow crystallization of magma beneath the Earth's surface over millions of years.
Uses & applications
Widely used in dimensional stone, construction, monuments, and interior countertops.
Geological facts
Granite is the most common rock of the Earth's continental crust and forms the core of many mountain ranges.
Field identification & locations
Easily identified by interlocking visible mineral grains of quartz, pink feldspar, and dark biotite mica; found globally in continental shields.
