Not known Factual Statements About Crystal
Not known Factual Statements About Crystal
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8Where do we get this magic wand and crystal ball?我们到哪里获得这种魔棒和水晶玻璃球？
12He tried once more in many other cities and succeeded with Crystal Caramels.他又在其他几个城市再次尝试，并成功制出了水晶焦糖。
A standard concept in crystal structures will be the unit cell. It's the smallest device of quantity that allows identical cells to generally be stacked together to fill all Area. By repeating the pattern on the unit mobile time and again in all Instructions, the complete crystal lattice may be made. A cube is The only illustration of a unit mobile. Two other illustrations are demonstrated in Figure one. The primary could be the unit cell for the facial area-centred cubic lattice, and the second is for your system-centred cubic lattice. These structures are defined in the subsequent paragraphs.
水碧：《山海经》中，水晶又被称作水碧： �?又南三百里，日耿山，无草木，多水碧 �?，郭璞注�?�?亦水玉类 ”。这种称谓常被文人所引用，晋代郭景纯《璞江赋》道�?�?鬼，水碧�?�?。水晶又有人称它叫玉瑛。《符瑞图》载�?美石似玉，水精谓之玉瑛也�?”
断口：贝壳状。断口也叫破口。它是指矿物被打击后产生不规则的破裂，破裂裂面凹凸不平称为断口。根据断口的形状可分为贝壳状和锯齿状。
无色水晶与无色长石因折射率和密度十分接近故较难区分。主要方法是放大检查。长石有两组极完全解理，显微镜下可见两组解理相交而成的“娱蛤状”包裹体或细直的纹理，而水晶则无解理发育，仅有时可见断续不规则的裂理。
对任何宝石来说，颜色都是非常重要的，水晶也不例外。如果是水晶晶体是有颜色的，如粉水晶、黄水晶、紫水晶等，其颜色评价的最高标准则是明艳动人，不带有灰色、黑色、褐色等其他色调。如粉水晶，颜色以粉红为佳；紫水晶，要求颜色为鲜紫，纯净不发黑；黄水晶，要求颜色不含绿色、柠檬色调，以金橘色为佳。对于发晶来说，晶体的颜色也是很重要的。相同发丝的金发晶，晶体完全无色（白水晶）和晶体略偏茶色，肉眼的视觉观感也是有差别的，所以前者的价格会高于后者。
1A crystal chandelier lit the home.一盏水晶吊灯照亮了房间。《柯林斯英汉双解大词典》
Lots of crystals behave like Crystal butter in that they're hard at small temperatures but smooth at larger temperatures. They are identified as solids in any respect temperatures below their melting position. A feasible definition of the good is undoubtedly an item that retains its form if still left undisturbed. The pertinent problem is just how long the item keeps its form. A hugely viscous fluid retains its form for an hour or so although not a calendar year. A strong ought to maintain its form extended than that.
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Search cryptosporidiosis cryptosporidium cryptozoologist cryptozoology crystal crystal ball crystal very clear idiom crystal lattice BETA copyright #randomImageQuizHook.filename #randomImageQuizHook.isQuiz Test your vocabulary with our entertaining picture quizzes
Molecular Crystals: Entire molecules are bonded to one another within an structured method. A fantastic example is usually a sugar crystal, which includes sucrose molecules.
《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。”
水晶的价值根据品质、块体的大小、美感和产量多少的不同相差较大。遇到好的天然水晶要敢于下手，但好的水晶一般大家都想得到，值与不值，就要看经验了。由于天然水晶的开采和制作原因，没有瑕疵的水晶很难得到，纯净的饰品要达到与合成水晶媲美的品质，实在是很难得。另外，由于水晶的特性，在佩戴过程中，也会改变其等级，比如因为某种原因，有可能会逐渐产生较大裂纹。