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, grayish or pinkish color, vitreous to dull luster, phaneritic crystal structure with visible interlocking grains of quartz, feldspar, and mica.

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Physical properties

Hardness of 6-7 on Mohs scale, grayish or pinkish color, vitreous to dull luster, phaneritic crystal structure with visible interlocking grains of quartz, feldspar, and mica.

Formation & geological history

Formed by the slow cooling and crystallization of magma beneath the Earth's surface over millions of years.

Uses & applications

Widely used in commercial construction, monuments, countertops, and architectural facing.

Geological facts

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

Field identification & locations

Identify by its coarse-grained, speckled appearance containing prominent quartz and feldspar crystals. Found globally in continental shields.