5 Essential Elements For Crystal

5 Essential Elements For Crystal

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27Local economists have looked into their crystal balls and noticed a thing relatively 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》

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。

发晶的价值取决于发的颜色、罕见性及大小，一般是发色鲜艳、块度大的价格高。水胆水晶的价值主要取决于水胆及晶体的大小、透明度的高低。如果水胆较大并有一定形态，便可加工成较为珍贵的工艺品。另外水胆中的水也有一定的科学研究价值，通过它们可了解几百万年前地球上水的成分及变化。

Fig. 3: A library of lattice symmetries may be accessed by modifying the particle core and DNA shell.

. These four structures comprise almost all of the binary crystals with equivalent quantities of cations and anions.

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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：

Being a scorching Resolution cools or simply a saturated solution evaporates, particles attract close more than enough for chemical bonds to form. Crystals may kind from deposition directly from the gas section. Liquid crystals have particles oriented in an organized method, like strong crystals, nonetheless have the ability to stream.

第三种是“皮景”，因某些其他的矿物与水晶体共生，或由于其他的物质侵蚀而依附于水晶表面，或者是水晶受自然环境的影响，在水晶表面出现蚀象，形成了一些景象或图案，这种景观存在于水晶表面。

看文化：水晶里面的包裹体象形，能与文化、宗教及历史有所牵连的话，价格往往会比水晶本身的价值高出几倍甚至几百倍。

Browse cryptosporidiosis cryptosporidium cryptozoologist cryptozoology crystal crystal ball crystal distinct idiom crystal lattice BETA copyright #randomImageQuizHook.filename #randomImageQuizHook.isQuiz click here Take a look at your vocabulary with our fun picture quizzes

Crystallography would be the review of crystals, and it discounts with every thing from fantastic geometric shapes to seemingly random conglomerations of particles and minerals.

14For instance, Now we have Quartz crystal clocks and watches exact to inside a person minute a year.例如，我们使用的每年误差不超过one分钟的石英水晶钟表和手表。

矿物成分：针铁矿、赤铁矿、金红石、磁铁矿、电气石、石榴石、云母、绿泥石等形成了包裹体水晶，如发晶、钛晶、绿幽灵等，发晶中则含有肉眼可见的似头发状的针状矿物的包裹体形成。含锰和铁者称紫水晶；含铁�?；呈金黄色或柠檬�?)称黄水晶；含锰和钛呈玫瑰色者称蔷薇石英，即粉水晶；烟色者称烟水晶；褐色者称茶晶；黑色透明者称为墨晶。