Look up: quartz

1. Quartz
   Quartz is a common crystalline mineral.
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2. quartz
   [n] - a hard glossy mineral consisting of silicon dioxide in crystal form
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3. Quartz
   (SiO2) The most common silica mineral.
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4. Quartz
   Code-name for a tablet-like, quarter-VGA portrait screen size, pen-based, reference design.
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5. Quartz
   Photograph of a quartz molecular model, courtesy of Indigo® Instruments.Found naturally as faceted crystals. Its birefringent properties are used in the production of optical quarter-wave plates and polarizers. A mineral whose primary component is silicon dioxide (SiO₂). Its colour and o...
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6. quartz
   is the name given to various kinds of silica in crystal form Category: Mining
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7. quartz
   The most common of stones, used for decoration since the Classical period. When free from impurities, it is a colourless rock crystal; other forms most commonly used as gemstones since the 19thC include the amethyst in all shades of violet, the cairngorm in yellow and brown, and the yellow citrine which is often wrongly referred to as topaz. The ph …
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8. Quartz
   Quartz noun [ German quarz .] (Min.) A form of silica, or silicon dioxide (SiO ₂ ), occurring in hexagonal crystals, which are commonly colorless and transparent, but sometimes also yellow, brown, purple, green, and of other colors...
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9. quartz
   <chemical> A form of silica, or silicon dioxide (SiO2), occurring in hexagonal crystals, which are commonly colourless and transparent, but sometimes also yellow, brown, purple, green, and of other colours; also in cryptocrystalline massive forms varying in colour and degree of transparency, b...
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10. quartz
    noun a hard glossy mineral consisting of silicon dioxide in crystal form; present in most rocks (especially sandstone and granite); yellow sand is quartz with iron oxide impurities
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11. Quartz
    • (n.) A form of silica, or silicon dioxide (SiO2), occurring in hexagonal crystals, which are commonly colorless and transparent, but sometimes also yellow, brown, purple, green, and of other colors; also in cryptocrystalline massive forms varying in color and degree of transparency, being sometimes opaque.
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12. Quartz
    A material frequently used in projectile points and other artifacts. When quartz is clear and colorless it is called rock crystal; milky wuartz is milky white; smoky quartz is clouded a brown color; rose quartz is a pale red color; sugar quartz is the color of brown sugar.
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13. Quartz
    Tungsten-Halogen lights or lighting units. The name is derived from the material which encloses the lighting element. (Lighting)
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14. quartz
    quartz, one of the commonest of all rock-forming minerals and one of the most important constituents of the earth's crust. Chemically, it is silicon dioxide, SiO2. It occurs in crystals of the hexagonal system, commonly having the form of a six-sided prism terminating in a six-sided pyramid; the cry...
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15. Quartz
    Quartz is a very widespread mineral which occurs as an important constituent of igneous rocks which have an excess of silica. Very resistant to mechanical and chemical attack. Massive, fine grained types are called jasper, chert, flint, agate. Coarse crystalline types called amethyst, rose quartz et...
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16. quartz
    Type: Term Pronunciation: kwōrts Definitions: 1. A crystalline form of silicon dioxide used in chemical apparatus and in optic and electric instruments.
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17. quartz
    Crystalline form of silica SiO₂, one of the most abundant minerals of the Earth's crust (12% by volume). Quartz occurs in many different kinds of rock, including sandstone and granite. It ranks 7 on the Mohs scale of hardness and is resistant to chemical or mechanical breakdown. Quartzes vary according to the size and...
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18. Quartz
    `Quartz` is the second most abundant mineral in the Earth`s continental crust, after feldspar. It is made up of a continuous framework of SiO₄ silicon–oxygen tetrahedra, with each oxygen being shared between two tetrahedra, giving an overall formula SiO₂. The...
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19. Quartz
    (graphics layer) `Quartz` specifically refers to a pair of Mac OS X technologies, each part of the Core Graphics framework: Quartz 2D and Quartz Compositor. It includes both a 2D renderer in Core Graphics and the composition engine that sends instructions to the graphics card. Because of this...
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20. Quartz
    (band) ::This article is about the Swedish band Quartz. For the British heavy metal band, see Quartz. `Quartz` is a UK dance production duo of Ronnie Herel and Dave Rawlings. They are well known for their collaboration with Clubland on "Let`s Get Busy", which went to number o...
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21. Quartz
    (metal band) `Quartz` are a British heavy metal band. History: Quartz dates back to as early as 1974 when they were known as Bandy Legs.<ref name=MusicMight>http://www.musicmight.com/linkto/artist/{D8A2E796-E77A-467B-B507-6EDB28D MusicMight--> They signed to Jet Records in 1976 and support...
    Found on http://en.wikipedia.org/wiki/Quartz