igneous
Granite
Granite
Hardness of 6-7 on the Mohs scale, predominantly pink, white, or gray with dark speckles, vitreous to dull luster, phaneritic (coarse-grained) crystal structure, specific gravity around 2.65-2.75.
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Physical properties
Hardness of 6-7 on the Mohs scale, predominantly pink, white, or gray with dark speckles, vitreous to dull luster, phaneritic (coarse-grained) crystal structure, specific gravity around 2.65-2.75.
Formation & geological history
Formed from the slow cooling and solidification of magma (silicate melt) deep beneath the Earth's surface over millions of years.
Uses & applications
Commonly used in construction, countertops, monuments, architectural facing stone, and decorative aggregate.
Geological facts
Granite is the most common intrusive igneous rock in Earth's continental crust and is exceptionally durable against weathering.
Field identification & locations
Easily identified by its interlocking, visible grains of quartz, feldspar, and dark minerals like biotite mica. Found globally in major mountain ranges and continental shields.
