
igneous
Granite
Intrusive felsic igneous rock
AI-generated identification · may be incorrectHardness 6 on Mohs scale; colors range from pink to gray; vitreous to dull luster; phaneritic crystal structure with visible quartz, feldspar, and mica grains; specific gravity 2.65 to 2.75.
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Physical properties
Hardness 6 on Mohs scale; colors range from pink to gray; vitreous to dull luster; phaneritic crystal structure with visible quartz, feldspar, and mica grains; specific gravity 2.65 to 2.75.
Formation & geological history
Formed through the slow crystallization of magma beneath the Earth's surface over millions of years.
Uses & applications
Widely used in construction for countertops, flooring, monuments, and architectural facings.
Geological facts
Granite is the most common igneous rock in the Earth's continental crust and forms the core of many major mountain ranges.
Field identification & locations
Identify by its interlocking, coarse-grained mineral crystals of quartz, feldspar, and dark biotite mica. Found globally in shield areas and mountainous regions.