igneous
Granite
Intrusive felsic igneous rock
AI-generated identification · may be incorrectHardness of 6-7 on Mohs scale, pink to gray color, vitreous luster, phaneritic crystal structure, specific gravity around 2.65.
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Physical properties
Hardness of 6-7 on Mohs scale, pink to gray color, vitreous luster, phaneritic crystal structure, specific gravity around 2.65.
Formation & geological history
Formed from the slow cooling of silica-rich magma deep underground, typically over millions of years.
Uses & applications
Widely used in construction, architectural building facades, countertops, and monument making.
Geological facts
Granite makes up a major part of Earth's continental crust and is exceptionally durable against weathering.
Field identification & locations
Easily identified by its visibly interlocking quartz, feldspar, and biotite crystals; found globally in shields and mountain roots.
