igneous
Granite with Quartz/Feldspar
Intrusive Igneous Rock
AI-generated identification · may be incorrectHardness of 6-7 on the Mohs scale. Composed mainly of quartz, potassium feldspar, and plagioclase with aphanitic to phaneritic texture and vitreous luster.
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Physical properties
Hardness of 6-7 on the Mohs scale. Composed mainly of quartz, potassium feldspar, and plagioclase with aphanitic to phaneritic texture and vitreous luster.
Formation & geological history
Formed from the slow crystallization of magma beneath the Earth's surface over millions of years.
Uses & applications
Widely used in construction, countertops, monuments, and architectural facings.
Geological facts
Granite forms the core of many major mountain ranges and is the most common intrusive rock in the Earth's continental crust.
Field identification & locations
Easily identified by its interlocking visible crystals of pink/white feldspar and clear/grey quartz; found globally in continental shields.
