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, speckled pink and gray color, dull to vitreous luster, phaneritic crystal structure.

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Physical properties

Hardness of 6 on the Mohs scale, speckled pink and gray color, dull to vitreous luster, phaneritic crystal structure.

Formation & geological history

Formed from the slow cooling of silica-rich magma beneath the Earth's surface over millions of years.

Uses & applications

Widely used in commercial construction, kitchen countertops, monuments, and decorative stone flooring.

Geological facts

Granite is the most common rock of Earth's continental crust and is exceptionally durable against weathering.

Field identification & locations

Identified by visible interlocking mineral crystals of quartz, feldspar, and mica; found globally in mountainous regions.