igneous
Granite Pebble
Intrusive Igneous Rock
AI-generated identification · may be incorrectHardness of 6 on Mohs scale. Mottled gray and black color with a dull to vitreous luster and phaneritic texture.
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Physical properties
Hardness of 6 on Mohs scale. Mottled gray and black color with a dull to vitreous luster and phaneritic texture.
Formation & geological history
Formed from the slow cooling of magma beneath the Earth's surface over millions of years.
Uses & applications
Used in construction, monuments, countertops, and landscaping.
Geological facts
Granite is the most common rock of Earth's continental crust and is exceptionally durable against weathering.
Field identification & locations
Identified by visible interlocking quartz, feldspar, and biotite grains; commonly found in riverbeds and glacial drift.
