A good is crystalline if it's got lengthy-variety purchase. As soon as the positions of the atom and its neighbours are regarded at a person level, the location of each atom is understood specifically through the entire crystal. Most liquids lack long-variety get, Whilst lots of have shorter-vary buy. Small array is outlined as the very first- or second-nearest neighbours of the atom. In lots of liquids the very first-neighbour atoms are organized in a similar composition as inside the corresponding good section.
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对水晶进行评价主要依据其颜色、透明度、大小、净度、特殊图案及是否有光学效应等方面。以颜色纯正，浓度较高，内部无瑕为好。种类上紫晶最贵，其次为黄晶、烟晶、无色水晶和芙蓉石。有特殊光学效应的水晶的价格更高。
诗中道出一段唐代由盛变衰的史实。玄宗末年，杨贵妃得宠，三姐妹并封为国夫人。他们养尊处优，奢华至极，仆人用水晶盘将珍馐佳肴端到宴席上，美人觉得没有口味，懒得动筷子。作为“诗圣”作为“史诗”，紫驼一段写饮食之精美，不空发议论，只尽情揭露事实，无一刺讥语，无一慨叹声，却使人于以外得之：此诗之善讽也。以史为鉴，这样的世道，这样的人物，国家不出“安史之乱”那样的大祸反倒不正常了。
这种水晶观赏石特指水晶晶簇，它是众多单晶体集中生长在一起的晶体组合。晶簇以其晶莹剔透、独特造型而享誉水晶赏石界。
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石英：《广雅》称水晶叫石英，色白如莹者又叫白。为附的异形字。司马相如《子虚赋》就�?�?雌黄�?�?之句。苏林解释：�?�?，白石英�?”。
②固体包裹体：指呈固态相存在包裹体，多因岩浆、热液、变质作用等形成的早期结晶物被水晶捕获而形成。
13Nearly all computer systems incorporate a quartz-crystal clock to regulate their Procedure.几乎所有的计算机都有一个石英晶体时钟来调节它们的运行。
颜色：无色，浅至深的紫色，浅黄、中至深黄色，浅至深褐、棕色，绿至黄绿色，浅至中粉红。
In the Cambridge English Corpus We are saying the chain topology within the higher w region acts given that the proverbial ' scratch-on-theglass ' wanted within the natural and organic chemistry laboratory to generate crystals. From the Cambridge English Corpus Continual-pressure and temperature molecular-dynamics simulations of crystals with the lecithin fragments - glycerylphosphorylcholine and dilauroylglycerol. In the Cambridge English Corpus In combination with click here these, dust particles have been observed in minimal-temperature plasmas, like Those people Employed in plasma processing and plasma crystals. From the Cambridge English Corpus The ultimate Element of the reserve focuses on peculiarities of strongly coupled dusty plasmas, such as the formation of dust crystals and connected beautiful forces. In the Cambridge English Corpus Comprehensive characterization of injury threshold in titanium doped sapphire crystals with nanosecond, picosecond, and femtosecond laser pulses. With the Cambridge English Corpus Unbroken crystals are euhedral; rounded, or maybe more irregular, Main morphologies were not noticed. From your Cambridge English Corpus See all examples of crystal These examples are from corpora and from sources on the internet. Any views while in the illustrations never symbolize the feeling in the Cambridge Dictionary editors or of Cambridge University Press or its licensors.
There are just a few various unit-mobile shapes, so many different crystals share one device-cell sort. An essential attribute of the unit mobile is the quantity of atoms it consists of. The overall range of atoms in all the crystal may be the variety in each mobile multiplied by the number of device cells. Copper and aluminum (Al) Every have one particular atom per device mobile, when zinc (Zn) and sodium chloride have two. Most crystals have only a few atoms for every unit mobile, but there are a few exceptions. Crystals of polymers, by way of example, have Countless atoms in Every single unit mobile.
《古今小说·李公子救蛇获称心》：“器皿皆是玻璃、水晶、琥珀、玛瑙为之，曲尽巧妙，非人间所有。”
The C60 molecules, also known as buckyballs, are rather solid and Just about incompressible. Crystals are fashioned these kinds of that the balls are organized in an fcc lattice that has a 1-nanometre spacing involving the centres of adjacent balls. The equivalent C70 molecule has The form of the rugby ball; C70 molecules also variety an fcc crystal when stacked together. The solid fullerenes kind molecular crystals, with weak binding—provided by van der Waals interactions—concerning the molecules.