quartz


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Related to quartz: rose quartz

quartz

 (kwôrts)
n.
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.

[German Quarz, from Middle High German quarc, of Slavic origin.]

quartz′ose′ (kwôrt′sōs′) adj.

quartz

(kwɔːts)
n
1. (Minerals) 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: SiO2. Crystal structure: hexagonal
2. (Ceramics) short for quartz glass
[C18: from German Quarz, of Slavic origin]

quartz

(kwɔrts)

n.
the commonest mineral, silicon dioxide, SiO2, occurring in crystals, grains, and cryptocrystalline masses: the chief component of sand.
[1750–60; < German Quarz]
quartz•ose (ˈkwɔrt soʊs) quartz′ous (-səs) adj.

quartz

(kwôrts)
A hard, transparent mineral composed of silicon dioxide. Quartz is the most common of all minerals. It occurs as a component of rocks such as sandstone and granite, and separately in a variety of forms such as rock crystal, flint, and agate. Some crystalline forms, such as amethyst, are considered gemstones. Quartz is the mineral used to represent a hardness of 7 on the Mohs scale.

quartz

A hard silicate mineral.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.quartz - colorless glass made of almost pure silicaquartz - colorless glass made of almost pure silica
natural glass - magma of any composition that cooled very rapidly
silica, silicon dioxide, silicon oxide - a white or colorless vitreous insoluble solid (SiO2); various forms occur widely in the earth's crust as quartz or cristobalite or tridymite or lechatelierite
2.quartz - 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
quartz crystal - a thin plate or small rod of quartz cut along certain lines and ground so that it can produce an electric signal at a constant frequency; used in crystal oscillators
atomic number 14, Si, silicon - a tetravalent nonmetallic element; next to oxygen it is the most abundant element in the earth's crust; occurs in clay and feldspar and granite and quartz and sand; used as a semiconductor in transistors
mineral - solid homogeneous inorganic substances occurring in nature having a definite chemical composition
rock crystal, transparent quartz - a clear quartz used in making electronic and optical equipment
cairngorm, smoky quartz - a smoky yellow or brown quartz
amethyst - a transparent purple variety of quartz; used as a gemstone
calcedony, chalcedony - a milky or greyish translucent to transparent quartz
citrine - semiprecious yellow quartz resembling topaz
rose quartz - a translucent rose-red variety of quartz used for ornaments
silica, silicon dioxide, silicon oxide - a white or colorless vitreous insoluble solid (SiO2); various forms occur widely in the earth's crust as quartz or cristobalite or tridymite or lechatelierite
aventurine, sunstone - a translucent quartz spangled with bits of mica or other minerals
common topaz, false topaz, topaz - a yellow quartz
Translations
كوارْتز: صُوّان شَفّاف مُتَبَلْوِر
кварц
křemen
kvartskvarts-
kvarts
kvartsi
kvarc
kvarc
kvars
kvarcas
kvarcs
kremeňkremeňový
kuvars

quartz

[ˈkwɔːts]
A. Ncuarzo m
B. CPD quartz clock Nreloj m de cuarzo
quartz crystal Ncristal m de cuarzo
quartz lamp Nlámpara f de cuarzo
quartz watch Nreloj m de cuarzo

quartz

[ˈkwɔːrts]
nquartz m
modif [crystal] → de quartz quartz clock, quartz watchquartz clock npendule f à quartzquartz watch nmontre f à quartz

quartz

nQuarz m; quartz (iodine) lampQuarzlampe f

quartz

:
quartz clock
nQuarzuhr f
quartz crystal

quartz

[kwɔːts]
1. nquarzo
2. adjdi quarzo; (clock, watch) → al quarzo

quartz

(kwoːts) noun, adjective
(of) a kind of hard substance found in rocks, often in the form of crystals.
References in classic literature ?
1865, after many hardships and privations, we located the most remarkable gold-bearing quartz vein that our wildest dreams had ever pictured.
The bottom now rose sensibly, and we soon arrived at long circuitous slopes, or inclined planes, which took us higher by degrees; but we were obliged to walk carefully among these conglomerates, bound by no cement, the feet slipping on the glassy crystal, felspar, and quartz.
Here and there they were broken with streaks and patches of dusky red, green, and occasional areas of white quartz.
In one place, five hundred feet above the sea, the perpendicular bank on the upper side of the road was ten or fifteen feet high, and the cut exposed three veins of oyster shells, just as we have seen quartz veins exposed in the cutting of a road in Nevada or Montana.
Kennedy, but this isn't the easiest ground in the world," he said, kicking aside some fragments of quartz with which the soil was bestrewn.
Inside the mouth of this gallery are stacks of gold quartz piled up ready for roasting, which shows that the workers, whoever they were, must have left in a hurry.
Tudor, at the time, was lying in a stupor with fever in a late camp five miles away, the main camp having moved on those five miles in order to prospect an outcrop of likely quartz.
Forty miles up the river, at what had been described to him as Quartz Creek, he came upon signs of Bob Henderson's work, and also at Australia Creek, thirty miles farther on.
He'd come out to Sixty Mile, planning to go back up Indian River and portage the grub across the divide between Quartz Creek and Gold Bottom-"
Beudant [11] succeeded in making tubes, in most respects similar to these fulgurites, by passing very strong shocks of galvanism through finely-powdered glass: when salt was added, so as to increase its fusibility, the tubes were larger in every dimension, They failed both with powdered felspar and quartz.
There are many furrows in the sand where some creature has travelled about and doubled on its tracks; and, for wrecks, it is strewn with the cases of caddis-worms made of minute grains of white quartz.
He attacked the crumbling quartz with the pick, bursting the disintegrating rock asunder with every stroke.