Rock Identifier
Granite (Felsic intrusive igneous rock) — igneous
igneous

Granite

Felsic intrusive igneous rock

AI-generated identification · may be incorrect

Hardness of 6 on Mohs scale, speckled pink/gray/white and black color, dull to vitreous luster, phaneritic crystal structure with visible quartz and feldspar grains.

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Physical properties

Hardness of 6 on Mohs scale, speckled pink/gray/white and black color, dull to vitreous luster, phaneritic crystal structure with visible quartz and feldspar grains.

Formation & geological history

Formed from the slow crystallization of magma beneath the Earth's surface over millions of years.

Uses & applications

Widely used in construction, monuments, countertops, and decorative architectural stone.

Geological facts

Granite forms the continental crust of the Earth and is among the oldest known rock types.

Field identification & locations

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