Crystal Can Be Fun For Anyone
Crystal Can Be Fun For Anyone
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27Local economists have seemed into their crystal balls and witnessed a thing rather unpleasant.当地的经济学者们已预测到将会出现棘手的问题。《柯林斯英汉双解大词典》
Yet another pleasurable, and tasty, experiment will be to kind huge crystals working with sugar. By heating sugar with drinking water then allowing this Answer evaporate on sticks, it is possible to type rock candy from sugar crystals!
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。
③次生包裹体：指主体水晶形成后，由于环境的变化使得主晶周围的一些物质沿裂隙进入到其内部而形成的包裹体。形成的原因有出熔作用、裂隙的结晶化、以及放射性元素破坏的作用等。水晶典型的次生包裹体有胶花水晶中的氧化铁充填物等。
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。
结晶�?When sea drinking water is permitted to evaporate, salt crystals are deposited. 海水蒸发后，盐的结晶体就沉淀下来。
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。
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水晶包裹体丰富多彩，从气体、液体到各种矿物质，甚至宝石，均可被包含于水晶内，各种包裹体所形成的景象更是变化万千。按照包裹体的内容，常把包裹体水晶分为一下八类：
22Working from what The usa by now appreciates about itself, the bureau's specialists and also other demographers provide an irresistible, if clouded, crystal ball among the their visions.
. The next layer is shaded inside the figure. It's got exactly the same plane-triangular composition; the atoms sit from the holes fashioned by the very first layer. The 1st layer has two equal sets of holes, but the atoms of the second layer can occupy only one set. The 3rd layer, labeled C
The arrangement of an atom’s electrons establishes its chemical Homes. The Attributes of solids are usually more info predictable from the Homes in their constituent atoms and molecules, and the several shell structures of atoms are thus liable for the diversity of solids.
《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。”
Fig. five: The opportunity to recognize defined crystal routines is depending on the symmetry engineering technique.