Rock Identifier
Granite (Plutonic Igneous Rock) — igneous
igneous

Granite

Plutonic Igneous Rock

AI-generated identification · may be incorrect

Hardness of 6 on the Mohs scale, colors ranging from pink to gray, vitreous to dull luster, and phaneritic coarse-grained crystal structure with visible quartz and feldspar.

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Physical properties

Hardness of 6 on the Mohs scale, colors ranging from pink to gray, vitreous to dull luster, and phaneritic coarse-grained crystal structure with visible quartz and feldspar.

Formation & geological history

Formed through the slow cooling and solidification of magma deep beneath the Earth's continental crust over millions of years.

Uses & applications

Widely used in commercial construction as dimension stone, countertops, and architectural facing, as well as crushed stone for roadways.

Geological facts

Granite is the most common intrusive rock on Earth and forms the major framework of many continental mountain ranges.

Field identification & locations

Easily identifiable in the field by interlocking crystals of quartz, feldspar, and mica. Found globally in shields and orogenic belts.