Quartz

Quartz is a common crystalline mineral.
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quartz

[n] - a hard glossy mineral consisting of silicon dioxide in crystal form
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Quartz

(SiO2) The most common silica mineral.
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Quartz

Code-name for a tablet-like, quarter-VGA portrait screen size, pen-based, reference design.
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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 other aspects of its appearance depended on the imp
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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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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; also in cryptocrystalline massive forms varying
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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, being sometimes opaque. ... The crystalline varieti
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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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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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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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Quartz

Tungsten-Halogen lights or lighting units. The name is derived from the material which encloses the lighting element. (Lighting)
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quartz

A hard mineral, that is a crystalline form of silica (silicon dioxide, SiO2); it is colorless when pure ('rock crystal'). Quartz is a constituent of many rocks, especially igneous rocks such as granite and quartzite, metamorphic rocks such as gneisses and schists, an...
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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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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 etc. Quartz has the formulae SiO2 and a relative har
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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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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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Quartz

[graphics layer] Quartz specifically refers to a pair of 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 vertical nature, Quartz is often interchanged synonymo
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Quartz

[disambiguation] Quartz is a common mineral. Quartz may also refer to: ...
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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. There are many different varieties of quartz, several of which are semi-precious gemstones. .
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quartz

A watch whose movement is based on the vibrations of a minute piece of crystal that can be activated by a battery or light
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Quartz

Silicon dioxide occurring in colorless and transparent or colored hexagonal crystals and also in crystalline masses. One of the most common minerals, the chief constituent of quartz-based stone and granite.
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Quartz

A silicon dioxide mineral that occurs in colorless and transparent or colored hexagonal crystals and also in crystalline masses. One of the most common minerals is the chief constituent of sandstone.
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Quartz

Silicon dioxide (Si02) occurring in hexagonal crystal form.
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quartz

One of the most abundant minerals in the Earth's crust, chemical formula is SiO2, forms six-sided crystals and has no cleavage. It has a moh's hardness of 7. It has many varieties including Amethyst, Citrine, Smokey Quartz, Rose Quartz, Chalcedony, and Tiger's eye among others. Chalcedony in particular has many sub-varieties. ^top
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