Rock Identifier
Granite (Intrusive Igneous Rock) — igneous
igneous

Granite

Intrusive Igneous Rock

AI-generated identification · may be incorrect

Hardness of 6 on the Mohs scale. Colors range from pink to gray with a vitreous to dull luster. Composed primarily of quartz, feldspar, and mica with a phaneritic crystal structure.

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Physical properties

Hardness of 6 on the Mohs scale. Colors range from pink to gray with a vitreous to dull luster. Composed primarily of quartz, feldspar, and mica with a phaneritic crystal structure.

Formation & geological history

Formed from the slow cooling and solidification of magma deep beneath the Earth's surface over millions of years.

Uses & applications

Widely used in construction, monument building, countertops, and architectural facing stone.

Geological facts

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

Field identification & locations

Identified by its interlocking, visible mineral crystals of quartz and feldspar. Found globally in continental shields and intrusive plutons.