Quartz meaning

kwôrts
A very hard mineral composed of silica, SiO2 , found worldwide in many different types of rocks, including sandstone and granite. Varieties of quartz include agate, chalcedony, chert, flint, opal, and rock crystal.
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Any of various crystallized forms of silica that are transparent, translucent, or colored, used in many ways, esp. as a gem or in making glass, lenses, or quartz crystals.
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A hard, transparent trigonal mineral that, after feldspar, is the most common mineral on the surface of the Earth. It occurs as a component of igneous, metamorphic, and sedimentary rocks as well as in a variety of other forms such as rock crystal, flint, and agate. Some crystalline forms, such as amethyst, are considered gemstones. Chemical formula: SiO2.
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The graphics subsystem in the Mac OS X operating system. It provides two-dimensional drawing and windowing, and its rendering engine is based on the Adobe PDF model. See Mac OS X. See also quartz crystal.
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(mineralogy) The most abundant mineral on the earth's surface, of chemical composition silicon dioxide, SiO2. It occurs in a variety of forms, both crystalline and amorphous. Found in every environment.
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Origin of quartz

  • German Quarz from Middle High German quarc of Slavic origin

    From American Heritage Dictionary of the English Language, 5th Edition

  • German Quarz, from Middle High German twarc, probably from a West Slavic language (compare Czech tvrdý (“hard"), Polish twardy (“hard"), Russian твёрдый (tvjórdyj, “hard")), from Old Church Slavonic тврьдъ (tvrÄ­dÅ­, “firm"), from Proto-Slavic *tvÑŒrdÑŠ.

    From Wiktionary