igneous
Granite
Intrusive igneous rock
AI-generated identification · may be incorrectHardness of 6 on Mohs scale; composed of quartz, alkali feldspar, and plagioclase; vitreous to dull luster; phaneritic crystal structure.
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Physical properties
Hardness of 6 on Mohs scale; composed of quartz, alkali feldspar, and plagioclase; vitreous to dull luster; phaneritic crystal structure.
Formation & geological history
Formed from the slow cooling of silica-rich magma beneath Earth's surface over millions of years.
Uses & applications
Widely used in construction, architectural facades, countertops, and decorative 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
Identified by its visible interlocking mineral grains of quartz and feldspar; commonly found in continental shields globally.
