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Honed granite counters are derived from slabs of granite extracted from mines or cliff sides. Granite is an igneous rock that contains a matrix of feldspar, quartz, mica and amphibole. As a building material, granite has been used throughout the history of humanity. Its use as an indoor material is relatively new.
Granite is an igneous rock composed of mostly two minerals: quartz and feldspar. It is an intrusive rock, meaning that it crystallized from magma that cooled far below the earth's surface.Its name is derived from the Latin word 'granum', which means 'grain', a reference to the easily-seen minerals in the rock.ranite also is found below much of the rest of the middle of the continent. Buried under hundreds of feet of sedimentary rocks and glacier-deposited sediment, you'll find what's called basement rock. Granite can make up much of this foundation of the continents.