igneous
Granite Gravel and Pavement
Phaneritic Igneous Rock Aggregate
AI-generated identification · may be incorrectHardness of 6-7 on the Mohs scale, multicolored with pink, white, grey, and black speckles, dull to vitreous luster, and interlocking crystal structure.
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Physical properties
Hardness of 6-7 on the Mohs scale, multicolored with pink, white, grey, and black speckles, dull to vitreous luster, and interlocking crystal structure.
Formation & geological history
Formed from the slow cooling of magma beneath the Earth's surface over millions of years, commonly found in continental crusts.
Uses & applications
Widely used in construction for road aggregate, building facades, countertops, and landscaping materials.
Geological facts
Granite is the most common rock of the continental crust and serves as the baseline bedrock for many mountain ranges.
Field identification & locations
Easily identified in the field by visible interlocking crystals of quartz, feldspar, and mica. Commonly found in glacial drift and stream beds.
