Rock Identifier
Granite (Intrusive felsic igneous rock) — igneous
igneous

Granite

Intrusive felsic igneous rock

AI-generated identification · may be incorrect

Hardness 6 on Mohs scale; colors range from pink to gray; vitreous to dull luster; phaneritic crystal structure with visible quartz, feldspar, and mica grains; specific gravity 2.65 to 2.75.

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Physical properties

Hardness 6 on Mohs scale; colors range from pink to gray; vitreous to dull luster; phaneritic crystal structure with visible quartz, feldspar, and mica grains; specific gravity 2.65 to 2.75.

Formation & geological history

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

Uses & applications

Widely used in construction for countertops, flooring, monuments, and architectural facings.

Geological facts

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

Field identification & locations

Identify by its interlocking, coarse-grained mineral crystals of quartz, feldspar, and dark biotite mica. Found globally in shield areas and mountainous regions.