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

Granite

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

AI-generated identification · may be incorrect

Hardness of 6-7 on Mohs scale; white, gray, pink, or speckled color; vitreous to dull luster; phaneritic crystal structure.

Identified More igneous →
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Physical properties

Hardness of 6-7 on Mohs scale; white, gray, pink, or speckled color; vitreous to dull luster; phaneritic crystal structure.

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 facades, countertops, and monumental stone.

Geological facts

Granite makes up a major part of the Earth's continental crust and is exceptionally durable against weathering.

Field identification & locations

Identified by its visible interlocking crystals of quartz and feldspar; commonly found in mountain ranges and shield areas globally.