igneous
Granite Pebble
Granite
Hardness: 6-7, Color: Gray with black and white speckles, Luster: Dull (due to weathering), Texture: Phaneritic (coarse-grained)
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Physical properties
Hardness: 6-7, Color: Gray with black and white speckles, Luster: Dull (due to weathering), Texture: Phaneritic (coarse-grained)
Formation & geological history
Formed from the slow crystallization of magma below Earth's surface. Rounded by tumbling in water (river or beach environment).
Uses & applications
Often used in construction, landscaping, and as a decorative stone.
Geological facts
Granite is one of the most common rocks in the continental crust.
Field identification & locations
Identify by its speckled appearance of quartz, feldspar, and mica. Found in riverbeds, beaches, and glacial deposits worldwide.
