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

Granite

Felsic intrusive igneous rock

AI-generated identification · may be incorrect

Hardness of 6-7 on Mohs scale, typically pink, white, or gray with speckled mineral grains, vitreous to dull luster, granular phaneritic crystal structure.

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Physical properties

Hardness of 6-7 on Mohs scale, typically pink, white, or gray with speckled mineral grains, vitreous to dull luster, granular phaneritic crystal structure.

Formation & geological history

Formed from the slow cooling and solidification of magma rich in silica and alkali feldspar deep underground over millions of years.

Uses & applications

Widely used in construction, countertops, monuments, and architectural facings due to its high durability.

Geological facts

Granite makes up a major part of Earth's continental crust and is exceptionally resistant to weathering.

Field identification & locations

Identify by visible interlocking crystals of quartz, feldspar, and mica. Found globally in major continental shields and mountain roots.