igneous
Granite Pebble
Intrusive Igneous Rock
AI-generated identification · may be incorrectHardness of 6 on the Mohs scale, speckled gray and white color, dull to vitreous luster, phaneritic crystal structure, and specific gravity around 2.7.
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Physical properties
Hardness of 6 on the Mohs scale, speckled gray and white color, dull to vitreous luster, phaneritic crystal structure, and specific gravity around 2.7.
Formation & geological history
Formed from the slow crystallization of magma beneath the Earth's surface over millions of years, often exposed through tectonic uplift and erosion.
Uses & applications
Used in construction, landscaping, road aggregates, and as a durable material for monuments and countertops.
Geological facts
Granite makes up a major part of the continental crust and is one of the most durable and abundant building stones on Earth.
Field identification & locations
Easily identified by its visible interlocking crystals of quartz, feldspar, and mica. Commonly found in stream beds and beaches worldwide.
