
igneous
Granite Pebble
Felsic intrusive igneous rock
AI-generated identification · may be incorrectHardness of 6 on the Mohs scale, speckled grey and white color, dull to vitreous luster, phaneritic crystal structure, and a specific gravity of around 2.65.
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Physical properties
Hardness of 6 on the Mohs scale, speckled grey and white color, dull to vitreous luster, phaneritic crystal structure, and a specific gravity of around 2.65.
Formation & geological history
Formed from the slow cooling of magma rich in silica beneath the Earth's crust over millions of years.
Uses & applications
Used in landscaping, decorative gravel, and occasionally as a tumbling stone for crafts.
Geological facts
Granite is the primary component of Earth's continental crust and is exceptionally durable against weathering.
Field identification & locations
Easily identified by its distinct interlocked mineral grains of quartz, feldspar, and mica; commonly found in riverbeds and glacial deposits.