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

Granite

Phaneritic felsic igneous rock

AI-generated identification · may be incorrect

Hardness of 6 on the Mohs scale, composed primarily of quartz, alkali feldspar, and plagioclase with a visible crystalline texture and vitreous luster.

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Physical properties

Hardness of 6 on the Mohs scale, composed primarily of quartz, alkali feldspar, and plagioclase with a visible crystalline texture and vitreous luster.

Formation & geological history

Formed through the slow cooling of magma rich in silica and potassium beneath the Earth's crust over millions of years.

Uses & applications

Extensively used in construction, monument building, countertops, and decorative architectural facing stone.

Geological facts

Granite is the most common plutonic rock on Earth and forms the foundation of many continental landmasses.

Field identification & locations

Identify by its interlocking mineral crystals visible to the naked eye; commonly found in major continental mountain ranges.