Crystal for Dummies

Crystal for Dummies

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27Local economists have looked into their crystal balls and noticed a thing instead unpleasant.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》

按照透明度指标，水晶越透明，价格越高，好的透明的水晶加工出的成品晶莹剔透、光辉耀眼。透明度高的水晶能提升颜色的艳丽，否则显得呆板无灵性。光学水晶要求全透明、无双晶、无杂质。工艺水晶要求透明、少裂、少瑕疵。熔炼水晶要求透明，可有较多裂纹。三者价值依次降低，熔炼水晶只能作为熔炼水晶玻璃的原料。在工艺水晶中，晶体较大的，可用来做水晶眼镜和雕刻高档工艺品，因而价格较高。

Chemical Bonds The categories of chemical bonds formed concerning atoms or groups of atoms in crystals rely upon their dimensions and electronegativity. There are actually 4 types of crystals as grouped by their bonding:

Fig. 7: A template-directed strategy can control The position of setting up blocks on the surface area while in the formation of complex constructions.

C2 [ U ] transparent glass of quite high-quality, ordinarily with its surface area Lower into fragile patterns:

Lattices could have a single lattice level for each mobile or more than one, yielding a total of fourteen Bravais crystal lattice types. Bravais lattices, named for physicist and crystallographer Auguste Bravais, describe the a few-dimensional array created by a list of discrete factors.

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：

26Some of the finest consuming glasses are comprised of lead crystal.一些最精致的酒杯是用铅晶质玻璃制成的。《柯林斯英汉双解大词典》

包裹体常见有固相、固液气三相组合、空洞以及双晶、色带等。水晶中典型的同生包裹体有自形的锐钛矿、气液两相包体等。

[ C/U ] transparent glass of top of the range, commonly with its surface Lower into styles that replicate light-weight

16I opened the box and saw a bit of crystal snowflake along with a greeting card with "Joyful Birthday" more info during 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。

国家还并未给天然水晶提供一个等级划分的具体标准，水晶品种繁杂，每一品种都有他不同的评判标准。

⑤、打孔：是在水晶成品未完成前，根据其所需打孔之尺寸及位置，以钻头加工，如制表件、笔筒、瓶孔等。

21You all understand how once you take a crystal prism and pass a beam of sunlight by it, you receive a spectrum, which seems like a continual band of rainbow shades.