Crystal Things To Know Before You Buy
Crystal Things To Know Before You Buy
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其它描述:《庶物异名疏》中说: �?水精出大秦国,一名黎�?�?。结晶完整的水晶晶体,就如参差交错的马齿,所以人们又叫它马牙石。先民们最早用它研磨成眼镜片,因而送它一个眼镜石的绰号。水晶有通称,也有俗称。广州一带称水晶叫晶玉,又名鱼脑冻;江苏东海县山民发现水晶会 �?窜火�?�?,于是给它起个放光石的俗名。世间一物多名,不足为奇,而像水晶拥有这么多的别称,实不多见。瞧,从水玉、水碧、白玉、玉瑛、水精石英、黎难、晶玉到菩萨石、马牙石、眼镜石、放光石、千年冰、高山冻、鱼脑冻等等,简直构成一部奇石鉴赏史。
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。
A crystal framework concentrates on how the atoms are arranged inside the crystal. Having said that, crystallographers have an interest in the general form and measurement from the crystal along with its exterior features. To accomplish this, they should know about the crystal process.
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《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。”
结晶�?When sea h2o is permitted to evaporate, salt crystals are deposited. 海水蒸发后,盐的结晶体就沉淀下来。
光泽:玻璃光泽。断口处为油脂光泽。光泽,指宝石表面对光线反射的一种光学性质。观察水晶的光泽,可用手握着它,以灯光或窗户投进来的光线看表面反射,透明水晶亮度与光泽强弱有关。
Crystals are almost nothing much more than an requested arrangement of molecules or atoms. Crystals can be found in a variety of sizes and styles, and each has various features. The things they are made of determines how it can kind.
24I need to make my indicating crystal crystal clear.我想把我的意思解释得清清楚楚。《牛津词典》
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say cheese a thing that somebody that is getting a photograph of you lets you know to say so that the mouth tends to make The form of the smile
隐晶类水晶外观是一块块的,不是成六角水晶簇状,但他们却也是属六方晶系的。但我们不能以肉眼观察到他们的六角形结晶,因为结晶的体积极为细小,需以显微镜协助下才能看到六角开结晶。而此类水晶非常平滑,因为结晶之间有“水化硅石”填补,玛瑙便属于此类。
The structure of your sodium atoms by itself, or maybe the chlorine atoms on your own, is fcc and defines the device mobile. The sodium chloride framework Consequently is produced up of two interpenetrating fcc lattices. The cesium chloride lattice (Determine 3A) is based within the bcc framework; every other atom is cesium or chlorine. In this instance, the unit mobile is often a cube. The third essential composition for AB
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