igneous
Granite
Intrusive igneous rock primarily composed of quartz, alkali feldspar, and plagioclase
AI-generated identification · may be incorrectHardness of 6 on the Mohs scale, colors ranging from pink to gray, phaneritic crystal structure with visible grains, and specific gravity around 2.75.
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Physical properties
Hardness of 6 on the Mohs scale, colors ranging from pink to gray, phaneritic crystal structure with visible grains, and specific gravity around 2.75.
Formation & geological history
Formed through the slow cooling of silica-rich magma beneath the Earth's surface over millions of years.
Uses & applications
Widely used in building construction, countertops, monuments, and decorative stone flooring.
Geological facts
Granite is the most common rock of Earth's continental crust and forms the core of many major mountain ranges.
Field identification & locations
Easily identified by its speckled, coarse-grained appearance containing interlocking quartz and feldspar crystals.
