igneous
Granite Pebble
Phaneritic felsic igneous rock
AI-generated identification · may be incorrectHardness of 6 on the Mohs scale, mottled pink and grey color, vitreous to dull luster, interlocking crystalline structure, specific gravity around 2.65-2.75.
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Physical properties
Hardness of 6 on the Mohs scale, mottled pink and grey color, vitreous to dull luster, interlocking crystalline structure, specific gravity around 2.65-2.75.
Formation & geological history
Formed from the slow crystallization of magma beneath the Earth's surface over millions of years.
Uses & applications
Used primarily in landscaping, construction aggregate, and as a decorative stone.
Geological facts
Granite is the most common intrusive rock in the Earth's continental crust and forms the core of many major mountain ranges.
Field identification & locations
Easily identified by its distinct interlocking mineral grains of quartz, feldspar, and mica; commonly found in riverbeds and glacial drift.
