The Basic Principles Of Crystal

The Basic Principles Of Crystal

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天然的水晶一般都会有絮状（绵绺），也就是大家俗称的瑕疵，这是液体水落石出和二氧化碳的小孔穴，而人工合成的水晶就不会有这样的特征。

A further exciting, and delicious, experiment is usually to kind big crystals working with sugar. By heating sugar with h2o and then letting this Remedy evaporate on sticks, you can kind rock sweet from sugar crystals!

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。

Fig. three: A library of lattice symmetries may be accessed by transforming the particle Main and DNA shell.

《全唐诗》卷七八五载《白雪歌》：“鸟啄冰潭玉镜开，风敲檐溜水晶折。”

Not all crystals type in water, but almost all crystals kind precisely the same way, atoms come with each other and turn into a click here uniformed cluster. The procedure usually takes as minimal as a couple of days to possibly a thousand years. Pure crystals that originate from the Earth sort exactly the same way.

时尚的收藏爱好者喜欢收藏天然水晶，却常常因为在市场上面对大量的合成水晶看走了眼。市面上的水晶：

Ionic Crystals: Electrostatic forces variety ionic bonds. A classic instance is really a halite or salt crystal.

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颜色：无色，浅至深的紫色，浅黄、中至深黄色，浅至深褐、棕色，绿至黄绿色，浅至中粉红。

15The trick to an excellent thermoelectric material is a crystal structure where electrons can stream freely.制造一种好的热电材料的关键是，需要一种电子可以自由流动的晶体结构。

Fig. 1: Schematic of crystal formation from building blocks made up of a particle core as well as a shell of DNA ligands attached for the particle floor.

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。

水晶观赏石在形态、质地、内部特征等方面往往十分奇异。大自然有无限风光，都可以在包裹体水晶种找到缩影。