The best Side of Crystal
The best Side of Crystal
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Not all crystals are equally crystalline. There in many cases are impurities, and the ionic & covalent in between molecules can develop vastly different structures out of a similar substance. An excellent example of this are diamonds and graphene.
the strong state of numerous basic substances, that have a regular shape and surfaces organized in equivalent patterns
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。
Most good components present in character exist in polycrystalline kind as opposed to as only one crystal. They are actually composed of a lot of grains (smaller crystals) packed with each other to fill all Room. Each individual specific grain has a special orientation than its neighbours. Though long-selection buy exists within just a person grain, within the boundary concerning grains, the purchasing changes direction. A standard piece of iron or copper (Cu) is polycrystalline.
2She was sporting a strand of crystal beads.她戴着一串水晶珠子。《柯林斯英汉双解大词典》
They are going to sooner or later come up with a awesome minimal uniform cluster of atoms, this is the process of escalating crystals. The more they could occur together, the greater of the formation is going to be visible on the bare eye. Scientists can ascertain what mineral These are looking at by how the crystals sort.
水晶内部有多种矿物包裹体，形成的各种景观可以肉眼观测，这样的水晶就是包裹体水晶观赏石。由于水晶本身就是宝石，因此人们称誉包裹体水晶为“宝石级的观赏石”。包裹体水晶观赏石都具有独特性，具有极高欣赏和收藏价值。
Crystals can be developed below average conditions from all ninety two naturally happening elements except helium, and helium is often crystallized at lower temperatures by making use of twenty five atmospheres of force.
24I intend to make my that means crystal clear.我想把我的意思解释得清清楚楚。《牛津词典》
crystal The recently crystallized quartz grains are characterized by elongate crystals oriented oblique into the shear band margins, Crystal defining a typical grain-shape foliation. 来自 Cambridge English Corpus We are saying the chain topology while in the superior w area acts as the proverbial ' scratch-on-theglass ' desired while in the organic chemistry laboratory to help make crystals. 来自 Cambridge English Corpus The age scatter among the individual crystals could mirror incorporation of xenocrysts from earlier magmatic pulses or protoliths. 来自 Cambridge English Corpus The clinopyroxene forms neutral to pale brown, subhedral to anhedral crystals, from time to time made up of inclusions of plagioclase microlaths and opaque phases.
天然性是水晶观赏石的基本特性。通常整体造型水晶矿物不饰雕琢就具备很高的观赏价值，但是包裹体水晶观赏石经常需要适当打磨抛光，这样更方便观赏水晶内部的包裹体。
的释�?浏览 cryptologist cryptology cryptorchidism cryptosporidium crystal crystal ball crystal obvious idiom copyright crystalline #randomImageQuizHook.filename #randomImageQuizHook.isQuiz 用我们的趣味配图小测验考考你的词汇量
水玉：中国最古老的称法叫水玉，意谓似水之玉，又说是 �?千年之冰所�?�?。唐代诗人温庭筠《题李处士幽居》写道：�?水玉簪头白角巾，瑶琴寂历拂轻�?”。水玉一词最早频繁出于《山海经》：�?又东三百里，日堂庭之�?…�?多水�?”；�?丹山出焉，东南流注于洛水，其中多水玉 ”；�?逐水出焉，北流注于渭，其中多水玉 ”。司马相如《上林赋》曰�?�?水玉磊河 �?。水晶得名水玉，古人是看�?�?其莹如水，其坚如�?�?的质地。
水晶观赏石是天然水晶中最具代表的作品，具有其他宝石都不具备的观赏性。不论是玉石翡翠还是都要经过雕琢后次能体现他的价值，而水晶观赏石只需要将表面进行抛光，即展现出晶体内所包裹的物质，直接欣赏原汁原味的水晶石。