Rock Identifier
Granite (Granite) — igneous
igneous

Granite

Granite

AI-generated identification · may be incorrect

Hardness of 6 on the Mohs scale, composed of interlocking crystals giving a pinkish or grey speckled color with a dull to vitreous luster.

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Physical properties

Hardness of 6 on the Mohs scale, composed of interlocking crystals giving a pinkish or grey speckled color with a dull to vitreous luster.

Formation & geological history

Formed by the slow cooling of magma rich in silica and alkali beneath the Earth's crust over millions of years.

Uses & applications

Widely used in commercial construction, monuments, countertops, and architectural facing stone.

Geological facts

Granite is the most common igneous rock in the Earth's continental crust and forms the basement of many mountain ranges.

Field identification & locations

Easily identified by its distinct interlocking grains of quartz, feldspar, and micas, and found globally in shields and orogenic belts.