Crystal for Dummies
Crystal for Dummies
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轴性、光性：一轴晶正光性。正交偏光下所看到的一轴晶干涉图是独特的，其黑十字臂未达中心，形成中空的图案，俗称牛眼干涉图。中心部分通常为淡绿色或淡粉色。
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A crystal structure concentrates on how the atoms are organized inside the crystal. However, crystallographers are interested in the overall condition and measurement in the crystal and its external features. To perform this, they should understand about the crystal process.
Substantial crystals of diamond are valuable gemstones. The crystal has other exciting Attributes; it's the very best seem velocity of any stable and is the best conductor of warmth. In addition to diamond, one other frequent sort of carbon is graphite, which happens to be a layered material. Each individual carbon atom has three coplanar in the vicinity of neighbours, forming an arrangement called the honeycomb lattice. 3-dimensional graphite crystals are attained by stacking similar levels.
看抛光：抛光的好坏直接影响到水晶制品的身价。抛光分为软抛光与硬抛光。
Monoclinic �?Characterised by 3 unequal axes, two of which intersect at an oblique angle, although the 3rd is perpendicular to the plane of the other two.
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：
②固体包裹体：指呈固态相存在包裹体，多因岩浆、热液、变质作用等形成的早期结晶物被水晶捕获而形成。
本词条由中国科学院大学地球与行星科学学院、中国科学院地质与地球物理研究所 参与编辑并审核，经科普中国·科学百科认�?。
幽灵水晶，分绿幽灵，红幽灵，白幽灵等，主要组成为绿泥石，其中绿幽灵属于珍贵品种。
say cheese something which somebody that is having a photograph of you lets you know to state so that your mouth tends to make the shape of a smile
Crystals are not only renowned for their Actual physical appearance, but diverse crystals of different elements and formations may result in a vast a Crystal number of utilizes and physical Houses.
水晶饰品越来越受到人们的喜爱。中国、日本、韩国、美国等国家的人们还对水晶球情有独钟，喜欢将它们摆在家里或办公室里，认为水晶球有灵性，能保平安，带来财运。不过天然水晶不像看起来那么晶莹剔透，它也有瑕疵，我们在选购饰品的时候要注意。此外，我们还要掌握水晶的评价依据、选购方法，这样可以帮助我们在琳琅满目的水晶饰品中选到心仪的水晶。
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