Not known Facts About Crystal

Not known Facts About Crystal

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Not all crystals are equally crystalline. There are frequently impurities, and the ionic & covalent among molecules can create vastly different structures from the same materials. A great example of this are diamonds and graphene.

12He tried out again in several 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。

4Without a crystal ball, It truly is unachievable to mention wherever 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》

看原料：选料精良的水晶制品，应看不到胶口及棉絮；质地纯净、光润、晶莹为好。

水胆水晶，包括气态，液态，固态，有时候可以同时多态并存，无色居多，个别情况下可见红色，绿色，黄色，蓝色，黑色等。

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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：

Like a incredibly hot Resolution cools or even a saturated Remedy evaporates, particles draw shut ample for chemical bonds to type. Crystals also can type from deposition straight from the fuel period. Liquid crystals have particles oriented in an arranged manner, like good crystals, still are able to move.

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�?。

⑤化学稳定�?非常好，在常温下仅溶解于氢氟酸，不溶解于其它各类酸、碱。在高温高压条件下可溶解于碳酸钠溶液中。

看孔眼：对于缀穿水晶制品（如项链、手链、佛珠），要看孔眼是否平直，孔的粗细是否均匀，有无细小裂纹。孔壁必须清澈透明，无“白痕”。

Fig. one: Schematic of crystal development from setting up blocks composed of a particle Main and a shell of DNA ligands connected for the particle surface.

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。

Tetragonal �?Characterized by a few check here mutually perpendicular axes, two of which might be equal in duration, although the third is for a longer time or shorter and perpendicular to the other two.