igneous
Granite Cobble
Intrusive Igneous Rock
AI-generated identification · may be incorrectHardness of 6 on the Mohs scale, speckled gray and brown color, dull to vitreous luster, phaneritic crystal texture, and specific gravity around 2.7.
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Physical properties
Hardness of 6 on the Mohs scale, speckled gray and brown color, dull to vitreous luster, phaneritic crystal texture, and specific gravity around 2.7.
Formation & geological history
Formed through the slow crystallization of magma beneath the Earth's crust over millions of years.
Uses & applications
Commonly used in construction, landscaping, monuments, and crushed stone aggregate.
Geological facts
Granite is the most common igneous rock in the Earth's continental crust and is exceptionally durable against weathering.
Field identification & locations
Easily identified by visible interlocking mineral crystals of quartz, feldspar, and mica. Found globally in mountainous regions and glacial deposits.
