igneous
Granite Pebble
Intrusive Igneous Rock
Hardness of 6-7 on the Mohs scale, granular texture, composed mainly of quartz, feldspar, and mica, vitreous to dull luster, specific gravity around 2.65-2.75.
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Physical properties
Hardness of 6-7 on the Mohs scale, granular texture, composed mainly of quartz, feldspar, and mica, vitreous to dull luster, specific gravity around 2.65-2.75.
Formation & geological history
Formed from the slow crystallization of magma below Earth's surface over millions of years.
Uses & applications
Commonly used in construction, monument building, countertops, and as crushed stone for landscaping and road bases.
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 its speckled appearance of light and dark mineral crystals. Found globally in continental shields and mountain ranges.
