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Quartz Group Quartz is the most common mineral found on the surface of the Earth. A significant component of many igneous, metamorphic and sedimentary rocks, this natural form of silicon dioxide is found in an impressive range of varieties and colours. ... Show Quartz Photos (5598)
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www.mindat.org/min-3337.html
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Quartz has a unique structure. Actually, there is another mineral that shares quartz's structure, and it is not even a silicate. It is a rare phosphate named berlinite, AlPO4, that is isostructural with quartz. ... THE MINERAL ; QUARTZ...
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www.galleries.com/Minerals/Silicate/quartz/quartz.htm
www.galleries.com/Minerals/Silicate/quartz/quartz.htm
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Quartz - Wikipedia, the free encyclopedia
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Quartz is the second most abundant mineral in the Earth's continental crust (after feldspar). It is made up of a continuous framework of SiO 4 silicon-oxygen tetrahedra, with each oxygen being shar...
en.wikipedia.org/wiki/Quartz
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Mineral class ... Silicates : Quartz - Opal group. ... A very common mineral, a few localities are : Milky quartz :
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www.geology.neab.net/minerals/quartz.htm
www.geology.neab.net/minerals/quartz.htm
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Links to other databases for Quartz :; 1 - Alkali-Nuts(English); 2 - Am. Min. Crystal Structure Database; 3 - Amethyst Galleries' Mineral Gallery; 4 - Athena; 5 - CalTech Mineral Spectroscopy; 6 - Earthprints Interactive Photo Gallary; ... Translate Quartz Mineral Data :;
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www.webmineral.com/data/Quartz.shtml
www.webmineral.com/data/Quartz.shtml
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Mineral Information on the WEB ... The Greeks called quartz "krystallos" or "ice", but the name remained with the origin of the word crystal and not with quartz. The name appears to be from the German "Quartz", of uncertain origin ... A photo of the mineral quartz...
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www.theimage.com/mineral/quartz/quartz.html
www.theimage.com/mineral/quartz/quartz.html
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Silicon and oxygen, the two most common chemical elements in the Earth's crust, combine as silicon dioxide to form the mineral quartz. Quartz is the most abundant mineral in the Earth's crust. Quartz has been found in meteorites and in some rocks collected on the moon.
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www.desertusa.com/mag98/mar/papr/geo_quartz.html
www.desertusa.com/mag98/mar/papr/geo_quartz.html
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As a mineral name, quartz refers to a specific chemical compound (silicon dioxide, or silica, SiO2), having a specific crystalline form (hexagonal). There are other forms of silica which are either non-crystalline, or of a different crystalline form than quartz.
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www.mii.org/Minerals/photoqtz.html
www.mii.org/Minerals/photoqtz.html
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The uses and properties of the mineral Quartz with photos by Geology.com ... Quartz is the most abundant and widely distributed mineral found at Earth's surface. It is present and plentiful in all parts of the world. It forms at all temperatures. It is abundant in igneous, ... Quartz - Mineral Properties and Uses...
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geology.com/minerals/quartz.shtml
geology.com/minerals/quartz.shtml
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