igneous
Granite
Intrusive igneous rock primarily composed of quartz, alkali feldspar, and plagioclase
AI-generated identification · may be incorrectHardness of 6-7 on the Mohs scale, colors range from pink to gray, dull to vitreous luster, phaneritic crystal structure.
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Physical properties
Hardness of 6-7 on the Mohs scale, colors range from pink to gray, dull to vitreous luster, phaneritic crystal structure.
Formation & geological history
Formed from the slow cooling of magma rich in silica and alkali metal oxides deep beneath the Earth's surface.
Uses & applications
Widely used in construction, monument making, countertops, and architectural facing stone.
Geological facts
Granite is the most common rock of the Earth's continental crust and is exceptionally durable against weathering.
Field identification & locations
Identify by its interlocking, visible mineral crystals of quartz, feldspar, and micas; found globally in major continental shields.
