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. Colors range from pink to gray with speckled appearance, sub-angular crystal structure, and dull to vitreous luster.

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Physical properties

Hardness of 6-7 on Mohs scale. Colors range from pink to gray with speckled appearance, sub-angular crystal structure, 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 building facades, countertops, and monument making.

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

Easily identified by its distinct interlocking mineral grains of quartz, feldspar, and mica. Found globally in continental shields.