igneous
Granite
Felsic intrusive igneous rock
Hardness of 6 on the Mohs scale, colors range from pink to gray depending on mineral composition, glassy to dull luster, phaneritic crystal structure with visible interlocking grains of quartz, feldspar, and mica, specific gravity around 2.65 to 2.75.
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Physical properties
Hardness of 6 on the Mohs scale, colors range from pink to gray depending on mineral composition, glassy to dull luster, phaneritic crystal structure with visible interlocking grains of quartz, feldspar, and mica, specific gravity around 2.65 to 2.75.
Formation & geological history
Formed from the slow cooling and crystallization of magma rich in silica and alkali metal oxides beneath the Earth's surface, typically over millions of years.
Uses & applications
Widely used in construction for countertops, floor tiles, curbing, and monuments due to its durability and aesthetic appeal.
Geological facts
Granite is the most common rock of the Earth's continental crust and is exceptionally durable against weathering.
Field identification & locations
Easily identified by its speckled, coarse-grained appearance containing visible pink or white feldspar, translucent quartz, and dark biotite mica flakes. Found globally in major mountain ranges and shields.
