
igneous
Granite Pebble
Intrusive Igneous Rock
AI-generated identification · may be incorrectHardness of 6 on Mohs scale, speckled grey and white color, dull to vitreous luster, phaneritic crystal structure, lacks prominent cleavage, specific gravity of 2.65.
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Physical properties
Hardness of 6 on Mohs scale, speckled grey and white color, dull to vitreous luster, phaneritic crystal structure, lacks prominent cleavage, specific gravity of 2.65.
Formation & geological history
Formed by the slow cooling of magma beneath the Earth's surface over millions of years.
Uses & applications
Used in construction, monuments, countertops, and decorative landscaping.
Geological facts
Granite is the most common rock of Earth's continental crust and is exceptionally durable against weathering.
Field identification & locations
Easily identified by its distinct salt-and-pepper speckled appearance and intergrown visible crystals; commonly found in riverbeds and glacial drift.