How Much You Need To Expect You'll Pay For A Good Crystal
How Much You Need To Expect You'll Pay For A Good Crystal
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27Local economists have appeared into their crystal balls and observed one thing relatively nasty.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》
23Sometimes, on the other hand, the crystal type of the silicate inclusions is observed to resemble much more intently The interior composition of diamond than that of other silicate minerals.然而，有时观察到硅酸盐包裹体的晶体形态比其他硅酸盐矿物更接近金刚石的内部结构。
结晶的形状非常细小，需要用显微镜才能看得清楚，外观上看起来是平滑、块状。常见最多的是各式玛瑙
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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。
Monoclinic �?Characterized by 3 unequal axes, two of which intersect at an oblique angle, even though the 3rd is perpendicular to your airplane of another two.
光泽：玻璃光泽。断口处为油脂光泽。光泽，指宝石表面对光线反射的一种光学性质。观察水晶的光泽，可用手握着它，以灯光或窗户投进来的光线看表面反射，透明水晶亮度与光泽强弱有关。
Crystals might be grown beneath reasonable conditions from all 92 Obviously occurring elements besides helium, and helium could be crystallized at lower temperatures by making use of twenty five atmospheres of force.
第三种是“皮景”，因某些其他的矿物与水晶体共生，或由于其他的物质侵蚀而依附于水晶表面，或者是水晶受自然环境的影响，在水晶表面出现蚀象，形成了一些景象或图案，这种景观存在于水晶表面。
[ C/U ] clear glass of top quality, usually with its surface Slice into designs that mirror light-weight
There are 2 this sort of attainable periodic preparations. In Each and every, the here main layer has the atoms packed right into a airplane-triangular lattice in which each and every atom has 6 immediate neighbours. Determine 2 reveals this arrangement for the atoms labeled A
The sodium chloride crystal lattice is characterized through the close packing with the good sodium ions and negative chloride ions. Each and every sodium ion is surrounded by six chloride ions, and each chloride ion is surrounded by six sodium ions, making a hugely stable and symmetrical composition.
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�?�?。
This crystal construction is answerable for the unique Actual physical and chemical Homes of sodium chloride, together with its superior melting level, electrical conductivity, and ability to kind ionic bonds effortlessly.