Crystal for Dummies
Crystal for Dummies
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水晶表面坑洼的地方，有的深，有的浅，这是水晶在成长过程中自然形成的，并非是人为造成的损伤。缺陷位置本来包有其他矿物晶体，由于包裹体和水晶结合部位的结合力不强，当表面抛光时，矿体脱落，留下空位。这种缺陷在绿幽灵、钛晶、金发晶上都比较常见。
杂质、裂纹越少越好。质地好的水晶制品，应看不到星点状、云雾状和絮状分布的气液包裹体或组成玉石的颗粒。有裂纹、斑点，则属于次品。
4Without a crystal ball, It is really unachievable to mention where by we'll be upcoming 12 months.不用水晶球预卜未来，我们说不准明年处境如何呀。《牛津词典》
The ordered inner structure of large crystals, like the fluorite and quartz revealed listed here, is mirrored inside their geometric shapes.
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。
当二氧化硅结晶完美时就是水晶；结晶不完美的就是石英：二氧化硅胶化脱水后就是玛瑙；二氧化硅含水的胶体凝固后就成为蛋白石；二氧化硅晶粒小于几微米时，就组成玉髓、燧石、次生石英岩。
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11I carefully opened the deal and located a crystal bell inside of.我小心地打开包裹，发现里面有一个水晶钟。
Crystals tend to be seen as some thing of enormous attractiveness, they usually are commonly utilized with diamonds or other stones for making parts of jewelry. Nearly all crystals now are guy-produced in laboratories.
crystal The freshly crystallized quartz more info grains are characterized by elongate crystals oriented oblique into the shear band margins, defining a normal grain-form foliation. 来自 Cambridge English Corpus We say the chain topology within the large w region functions given that the proverbial ' scratch-on-theglass ' needed during the organic and natural chemistry laboratory to make crystals. 来自 Cambridge English Corpus The age scatter among the person crystals might replicate incorporation of xenocrysts from earlier magmatic pulses or protoliths. 来自 Cambridge English Corpus The clinopyroxene varieties neutral to pale brown, subhedral to anhedral crystals, from time to time that contains inclusions of plagioclase microlaths and opaque phases.
⑥、丝印：水晶表面附有不同的色料进行效果处理，颜色层面较厚，着力后方可脱落。
Molecular Crystals: Overall molecules are bonded to one another within an arranged fashion. A great illustration is really a sugar crystal, which is made up of sucrose molecules.
crystal, any strong content in which the part atoms are arranged inside of a definite sample and whose floor regularity displays its inside symmetry.
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。