igneous
Granite
Granite
Hardness of 6-7 on the Mohs scale, typically colored pink, white, grey, or black with a phaneritic (coarse-grained) texture. Luster is generally vitreous to dull. Composed mainly of quartz, alkali feldspar, and plagioclase, with minor amounts of micas and amphiboles.
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Physical properties
Hardness of 6-7 on the Mohs scale, typically colored pink, white, grey, or black with a phaneritic (coarse-grained) texture. Luster is generally vitreous to dull. Composed mainly of quartz, alkali feldspar, and plagioclase, with minor amounts of micas and amphiboles.
Formation & geological history
Formed from the slow cooling and crystallization of magma rich in silica and alkali metal oxides beneath the Earth's surface. Can range from Precambrian to Cenozoic in age.
Uses & applications
Widely used in construction for dimension stone, countertops, floor tiles, curbing, and monuments due to its durability and aesthetic appeal.
Geological facts
Granite is the most common rock of the Earth's continental crust and is rarely found on any other planet. Its interlocking crystal structure makes it extremely resistant to weathering.
Field identification & locations
Easily identified by its distinct speckled appearance showing interlocking crystals of quartz, feldspar, and dark minerals. Found worldwide in major mountain ranges and continental shields.
