Rock Identifier
Granite (Intrusive igneous rock composed mainly of quartz, alkali feldspar, and plagioclase) — igneous
igneous

Granite

Intrusive igneous rock composed mainly of quartz, alkali feldspar, and plagioclase

AI-generated identification · may be incorrect

Hardness of 6-7 on the Mohs scale, colors range from pink to gray, phaneritic texture with visible mineral crystals, specific gravity around 2.65-2.75.

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Physical properties

Hardness of 6-7 on the Mohs scale, colors range from pink to gray, phaneritic texture with visible mineral crystals, specific gravity around 2.65-2.75.

Formation & geological history

Formed from the slow cooling of silica-rich magma beneath the Earth's surface over millions of years.

Uses & applications

Widely used in construction, architectural monuments, countertops, and decorative stone.

Geological facts

Granite is the most common rock of the Earth's continental crust and is frequently found in major mountain ranges.

Field identification & locations

Easily identified by its speckled pink, white, and black interlocking crystal grains; found globally in shields and orogenic belts.