Rock Identifier
Granite (Intrusive Felsic Igneous Rock) — igneous
igneous

Granite

Intrusive Felsic Igneous Rock

AI-generated identification · may be incorrect

Hardness of 6-7 on Mohs scale. Colors range from pink to gray with a phaneritic, coarse-grained crystal structure and vitreous luster.

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Physical properties

Hardness of 6-7 on Mohs scale. Colors range from pink to gray with a phaneritic, coarse-grained crystal structure and vitreous luster.

Formation & geological history

Formed from the slow cooling of silica-rich magma deep underground, typically over millions of years.

Uses & applications

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

Geological facts

Granite is the primary component of Earth's continental crust and is exceptionally resistant to weathering.

Field identification & locations

Identify by its interlocking visible crystals of quartz, feldspar, and mica. Common globally in continental shields.