igneous
Granite
Intrusive Igneous Rock
Hardness of 6 on the Mohs scale, colors vary from pink to gray due to feldspar and quartz content, dull to sub-vitreous luster, phaneritic (coarse-grained) crystal structure, specific gravity around 2.65 to 2.75.
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Physical properties
Hardness of 6 on the Mohs scale, colors vary from pink to gray due to feldspar and quartz content, dull to sub-vitreous luster, phaneritic (coarse-grained) crystal structure, specific gravity around 2.65 to 2.75.
Formation & geological history
Formed from the slow cooling and crystallization of magma beneath the Earth's surface over millions of years.
Uses & applications
Commonly used in construction, architectural monuments, countertops, paving stones, and landscaping.
Geological facts
Granite is the most common rock of Earth's continental crust and is frequently found in continental plate boundaries and mountain ranges.
Field identification & locations
Easily identified by its speckled pink, white, and black interlocking mineral grains. Found worldwide in major shields and orogenic belts.
