All about Granite Granite is a common and widely occurring type of intrusive, felsic, igneous rock. Granite usually has a medium- to coarse-grained texture. Occasionally some individual crystals (phenocrysts) are larger than the groundmass, in which case the texture is known as porphyritic. A granitic rock with a porphyritic texture is sometimes known as a porphyry. Granites can be pink to gray in color, depending on their chemistry and mineralogy. By definition, granite is an igneous rock with at least 20% quartz by volume. Granite differs from granodiorite in that at least 35% of the feldspar in granite is alkali feldspar as opposed to plagioclase; it is the alkali feldspar that gives many granites a distinctive pink color. Outcrops of granite tend to form tors and rounded massifs. Granites sometimes occur in circular depressions surrounded by a range of hills, formed by the metamorphic aureole or hornfels. Granite is usually found in the continental plates of the Earth's crust. Granite is nearly always massive (lacking internal structures), hard and tough, and therefore it has gained widespread use as a construction stone. The average density of granite is between 2.65[1] and 2.75 g/cm3, its compressive strength usually lies above 200 MPa, and its viscosity near STP is 3-6 • 1019 Pa·s.[2] Melting temperature is 1215 - 1260 °C.[3] The word granite comes from the Latin granum, a grain, in reference to the coarse-grained structure of such a crystalline rock. Granitoid is a general, descriptive field term for light-colored, coarse-grained igneous rocks. Petrographic examination is required for identification of specific types of granitoids.[4]
Custom granite kitchen countertops and vanities add style and beauty to your home, and make it a showcase that personifies luxury, quality, and good taste. Whether you are remodeling or involved with new construction, granite countertops will make a beautiful addition and increase the resale value of your home. At StoneLux Design you can choose from a wide selection of attractive granite in both 2cm, and 3cm thickness, as well as, edges built up to 6cm or more! We also offer tile backsplash installation services, and usually can be installed the same day as your countertops. Call today for a quote!
We service the greater Chicago Illinois area with quality custom countertops at an affordable price. If your near the Chicago area give us a call about your next stone project. We have a great selection of remnants as well as full slabs to choose from.
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