An Unbiased View of Crystal
An Unbiased View of Crystal
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看颜色：即使在同一种类的水晶中，它的不同部位的纹理、色泽也各式各有千秋。属于单色的，要色度均匀；在同一块水晶上有深浅的，则要求其色调纹路美观大方。
③、粗抛光：是将模具压出之毛胚，以金刚石盘直接磨出成品之刻线。④、细抛光：在粗抛光之后，以抛光粉来磨成品至晶莹剔透为止。
一般而言，紫晶和黄晶是水晶中价值较高的品种。两者进一步的分级是据其颜色的深浅，颜色较深的为A级，稍浅的为B级。一般颜色较深的价格高，但要以不深暗为标准。颜色包括两种，一种是水晶本身的颜色，另一种是内部包裹体的颜色。水晶本身的颜色要艳丽、纯正，分布要均匀，不能太深或太浅，如澳州玉、蓝玉髓、紫晶、黄水晶，其价格就高。无色的水晶内含包裹体的颜色艳丽，其价格也高，如钛晶、绿幽灵、红兔毛。紫水晶一般以稍有云状物、颜色深紫、晶体通透的为上品。
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。
How Crystals Kind The entire process of forming a crystal is termed crystallization. Crystallization frequently takes place whenever a reliable crystal grows from a liquid or solution.
⑧、雕刻：立体感强，工艺高，做工精细，成本高。分手工雕刻图形、机器雕刻文字。
Incorporate to word listing Include to term listing [ C/U ] clear rock that appears like ice, or even a bit of it
如果水晶内部杂质中有传说中人物的造型，如佛、星座、生肖等价值可能要高于同等颜色和净度的水晶。
Q.four. Exactly what is the distinction between atomic structure and crystal framework? Ans. The primary difference between atomic composition and crystal construction lies of their definitions: atomic composition refers to how atoms are arranged within a solitary molecule or possibly a cluster of molecules, Whilst crystal framework issues the specific arrangement of atoms in just a stable compound.
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。
15The trick to a very good thermoelectric content is really a crystal construction where electrons can flow 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。
You can find only a few distinct unit-cell designs, so many different crystals share one device-mobile variety. A significant characteristic of a unit cell is the quantity of atoms it has. The whole range of atoms in the whole crystal may be the variety in each cell more info multiplied by the quantity of unit cells. Copper and aluminum (Al) Just about every have one atom for every unit mobile, when zinc (Zn) and sodium chloride have two. Most crystals have only a few atoms per unit cell, but there are several exceptions. Crystals of polymers, such as, have Many atoms in Each and every device cell.
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。
对于紫水晶黄水晶这样的单色水晶，通常要观察它的二色性，即使是最顶级的紫水晶黄水晶也是有色差的，通过这个方法可以鉴别是否加色。