igneous
Granite Pebble
Intrusive Igneous Rock
Hardness of 6-7 on the Mohs scale, composed primarily of quartz, feldspar, and mica. Shows a phaneritic (coarse-grained) texture with pinkish and greyish mineral crystals. Luster is vitreous to dull.
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Physical properties
Hardness of 6-7 on the Mohs scale, composed primarily of quartz, feldspar, and mica. Shows a phaneritic (coarse-grained) texture with pinkish and greyish mineral crystals. Luster is vitreous to dull.
Formation & geological history
Formed from the slow crystallization of magma far beneath the Earth's surface over millions of years.
Uses & applications
Commonly used in construction, monuments, countertops, and as crushed aggregate in landscaping and paving.
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 pink, white, and black crystalline appearance. Found worldwide in mountainous regions and riverbeds.
