Top Guidelines Of Crystal

Top Guidelines Of Crystal

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27Local economists have seemed into their crystal balls and witnessed anything instead terrible.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》

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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。

The requested inner framework of large crystals, such as fluorite and quartz proven listed here, is reflected of their geometric styles.

25If you're a Billy Crystal admirer, you will adore this movie.如果你是比利·克里斯特尔的影迷，你就会喜欢这部电影。《柯林斯英汉双解大词典》

你们都知道，拿起一个水晶棱镜，让一束阳光通过它，就会得到一个光谱，看起来就像一条连续的彩虹色带。

解理：无解理。所谓解理是指矿物被打击时，沿一定方向有规则地裂开形成光滑平面的性质。根据解理的程度可以分为五类：极完全解理、完全解理、中等解理、不完全解理和无解理，水晶属于无解理。

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。

水晶是有成色等级之分，影响水晶价位的因素很多，不像钻石以4C就可以判定，所以大家要多听多看多比较才能真正辨别出来。一般的标准是水晶石越大越好，越透越好，颜色越娇嫩越好，形状越典型越好。不过最重要还是自己喜欢，而选购时辨识真伪的方法大致有下列几种：

A crystal system refers to the classification of crystals depending on the geometric arrangement and symmetry in their lattice buildings. You will discover 7 primary crystal programs:

16I opened the box and noticed a piece of crystal snowflake along with a greeting card with "Content Birthday" while in the blank paper.我打开盒子并看见在白纸中有一片水晶雪花和一张写着“生日快乐”的贺卡。

The arrangement of the atom’s electrons establishes its chemical Houses. The Attributes of solids are usually predictable within the Qualities in their constituent atoms and molecules, and different shell constructions of atoms are hence to blame for the range of click here solids.

⑦双色水晶：一种紫色和黄色共存一体的水晶，紫色、黄色之间界限较明显，分别占据晶块的一部分。

This crystal construction is chargeable for the exceptional Actual physical and chemical properties of sodium chloride, which includes its substantial melting stage, electrical conductivity, and skill to type ionic bonds quickly.