Crystal Fundamentals Explained
Crystal Fundamentals Explained
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看颜色：即使在同一种类的水晶中，它的不同部位的纹理、色泽也各式各有千秋。属于单色的，要色度均匀；在同一块水晶上有深浅的，则要求其色调纹路美观大方。
①压电效�?在机械力(压力或拉�?作用下，水晶单晶体的两端会产生电荷，其电量相等但符号相反。在工业上，无色、无缺陷、不具双晶的水晶常被用来作压电石英片。
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。
The ordered internal structure of huge crystals, just like the fluorite and quartz demonstrated in this article, is reflected within their geometric styles.
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。
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水晶的评价标准和高端宝石有所不同。多数高端宝石把颜色放在评价的第一位，而对水晶来说，颜色和净度（水晶行业称作晶体）是近乎同等重要的因素：
The weather are observed in a number of crystal packing preparations. The most typical lattice buildings for metals are Those people attained by stacking the atomic spheres into the most compact arrangement.
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22Working from what America previously knows about itself, the bureau's authorities as well as other demographers give an irresistible, if clouded, crystal ball among the their visions.
. The second layer is shaded in the determine. It's got the same plane-triangular framework; the atoms sit from more info the holes shaped by the main layer. The initial layer has two equivalent sets of holes, nevertheless the atoms of the next layer can occupy only one established. The 3rd layer, labeled C
正常的水晶在生长时，多可以发现和柱形尖端棱线平行的生长纹（advancement strains）。由于在地底、岩洞中的生长空间多狭窄，尤其在遇到地震时，或地壳变动时，甚至容易遭到其他矿石的挤压，常常会压迫产生不同的「晶面」。还有，当水晶还是在液态状的时候，常常也会包覆着其他的矿石、泥灰一起结晶成长，如金红石（稍后变成发晶）、火山泥灰（稍后变成幻影水晶）等等。所有的这些，都是「自然的一部分」，请不要视为「瑕疵」。
压电性：水晶晶体受到压力时会产生电荷；反之，受到电压作用时，晶体会产生频率很高的振动。水晶具有可使压力与电荷相互转移的性能，称压电性。
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