These crystals were shaped above 1,000,000 many years back inside the Earth's crust. They take place if the liquid inside the Earth consolidates and also the temperature chills. Other crystals kind if the liquid would make its way throughout the clefts and dispense minerals in the clefts.
the sound point out of many easy substances, which have a regular condition and surfaces arranged in similar 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。
Tetragonal: These crystals variety prisms and double pyramids. The composition is sort of a cubic crystal, except just one axis is more time than the other.
根据美国已经了解的情况，统计局的专家和其他人口统计学家在他们的视野中提供了一个不可抗拒的水晶球。
Encyclopaedia Britannica's editors oversee topic areas through which they have considerable understanding, whether or not from a long time of working experience received by engaged on that content or by using review for a sophisticated diploma. They generate new content and verify and edit content material been given from contributors.
水晶原石观赏石，从字面意义理解：观赏水晶石的原貌，即经过抛光去皮后的包裹体水晶和原色水晶，不需雕刻不求象形就具有非常高的观赏价值和收藏价值。此类水晶观赏石对质地要求非常之高，水晶晶体通透干净，颜色艳丽，意境鲜明深刻的价值就高，它的价值特点就好比钻石，实实在在石头本身的价值。
Ionic Crystals: Electrostatic forces kind ionic bonds. A common instance is often a halite or salt crystal.
13Nearly all computers incorporate a quartz-crystal clock to regulate their operation.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。
crystal The newly crystallized quartz grains are characterized by elongate crystals oriented oblique for the shear band margins, read more defining a standard grain-form foliation. 来自 Cambridge English Corpus We say the chain topology within the large w area functions since the proverbial ' scratch-on-theglass ' necessary inside the natural chemistry laboratory to generate crystals. 来自 Cambridge English Corpus The age scatter among the person crystals may possibly reflect incorporation of xenocrysts from previously magmatic pulses or protoliths. 来自 Cambridge English Corpus The clinopyroxene sorts neutral to pale brown, subhedral to anhedral crystals, at times containing inclusions of plagioclase microlaths and opaque phases.
被主体水晶所捕获的包裹体。原生包裹体通常为固相，形态较规则。水晶中典型的原成包裹体有金红石、电气石、黄铁矿等，也会见到岩石碎屑或集合体。
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水精：水晶为何称为水精，《广雅》有巧解：�?水之精灵�?”；李时珍则说：�?莹洁晶光，如水之精英 ”。细加考究，此称还蕴含浓厚的宗教意味呢。水精一名，最初见于佛书，后汉支曜翻译的《具光明定意经》说：�?其所行道，色如水�?�?。
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