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quartz
[ kwawrts ]
noun
- one of the commonest minerals, silicon dioxide, SiO 2 , having many varieties that differ in color, luster, etc., and occurring either in masses (as agate, bloodstone, chalcedony, jasper, etc.) or in crystals (as rock crystal, amethyst, citrine, etc.): the chief constituent of sand and sandstone, and an important constituent of many other rocks. It is piezoelectric and used to control the frequencies of radio transmitters.
quartz
/ °ì·Éɔ˳ٲõ /
noun
- a colourless mineral often tinted by impurities, found in igneous, sedimentary, and metamorphic rocks. It is used in the manufacture of glass, abrasives, and cement, and also as a gemstone; the violet-purple variety is amethyst, the brown variety is cairngorm, the yellow variety is citrine, and the pink variety is rose quartz. Composition: silicon dioxide. Formula: SiO 2 . Crystal structure: hexagonal
- short for quartz glass
quartz
/ °ì·Éô°ù³Ù²õ /
- 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: SiO 2 .
Other ˜yÐÄvlog Forms
- ±ç³Ü²¹°ù³Ù³ú·´Ç²õ±ð [kwawrt, -sohs], ±ç³Ü²¹°ù³Ù³ú·´Ç³Ü²õ [kwawrt, -s, uh, s], adjective
˜yÐÄvlog History and Origins
Origin of quartz1
˜yÐÄvlog History and Origins
Origin of quartz1
Example Sentences
"See here!" says Mr Olafsson pointing to a seam of white quartz and a thin dark line.
It includes a history of the building to start, followed by a live performance, on 22 quartz crystal singing bowls, by a sound healing artist.
There’s the mine that produces some of the purest quartz in the world and sent heavy equipment to help restore service.
Other attractions includes the Santa Monica Pier’s Ferris wheel, which will be lit up in Seventeen’s official colors — rose, quartz and serenity.
The extreme weather has also forced the closure of mines in Spruce Pine, a small town that is home to the world’s largest-known source of high-purity quartz.
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