igneous
K-Feldspar Granite
Felsic Plutonic Rock (Potassium Feldspar, Quartz, Biotite)
AI-generated identification · may be incorrectMohs hardness 6-7, pink to reddish coloration due to potassium feldspar, vitreous luster, phaneritic crystal structure.
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Physical properties
Mohs hardness 6-7, pink to reddish coloration due to potassium feldspar, vitreous luster, phaneritic crystal structure.
Formation & geological history
Formed from the slow cooling of silica-rich magma deep beneath the Earth's crust over millions of years.
Uses & applications
Commonly used in architectural cladding, monuments, and crushed stone for construction.
Geological facts
Granite is the most abundant rock in the Earth's continental crust and is exceptionally resistant to weathering.
Field identification & locations
Identify by interlocking visible crystals of pink feldspar, clear quartz, and dark mica. Found worldwide in continental shields.
