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

Granite

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

AI-generated identification · may be incorrect

Hardness of 6 on the Mohs scale, coarse-grained texture, pink to gray color, and dull to vitreous luster.

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Physical properties

Hardness of 6 on the Mohs scale, coarse-grained texture, pink to gray color, and dull to vitreous luster.

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 facing.

Geological facts

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

Field identification & locations

Easily identified by its visible interlocking mineral crystals; found globally in shields and orogenic belts.