Rock Identifier
Granite (Intrusive igneous rock) — igneous
igneous

Granite

Intrusive igneous rock

AI-generated identification · may be incorrect

Hardness of 6-7 on Mohs scale; composed of quartz, alkali feldspar, and plagioclase; colors range from pink to gray with a phaneritic crystal structure.

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Physical properties

Hardness of 6-7 on Mohs scale; composed of quartz, alkali feldspar, and plagioclase; colors range from pink to gray with a 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

Commonly used in construction, countertops, monuments, and architectural facings.

Geological facts

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

Field identification & locations

Easily identified in the field by its interlocking, visible mineral crystals; found globally in continental shields and intrusive plutons.