Igneous
Granite
Granite
Coarse-grained, composed mostly of quartz, alkali feldspar, and plagioclase. Hardness 6-7, colors vary (pink, white, gray, sometimes yellowish/brownish due to weathering as seen here).
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Physical properties
Coarse-grained, composed mostly of quartz, alkali feldspar, and plagioclase. Hardness 6-7, colors vary (pink, white, gray, sometimes yellowish/brownish due to weathering as seen here).
Formation & geological history
Intrusive igneous rock formed from slow cooling of magma deep underground.
Uses & applications
Used in construction, monuments, countertops, paving.
Geological facts
One of the most abundant rocks in the continental crust.
Field identification & locations
Identified by its visible crystalline structure and speckled appearance. Common worldwide.
