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。
One more enjoyment, and delicious, experiment should be to form huge crystals applying sugar. By heating sugar with water then allowing this Remedy evaporate on sticks, you may sort rock candy 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. 7: A template-directed technique can Management The position of developing blocks on a surface during the development of intricate structures.
25If you are a Billy Crystal lover, you are going to love this film.如果你是比利·克里斯特尔的影迷,你就会喜欢这部电影。《柯林斯英汉双解大词典》
These illustrations are from corpora and from resources on the web. Any viewpoints while in the examples will not symbolize the impression on the Cambridge Dictionary editors or of Cambridge University Push or its licensors.
水晶内部有多种矿物包裹体,形成的各种景观可以肉眼观测,这样的水晶就是包裹体水晶观赏石。由于水晶本身就是宝石,因此人们称誉包裹体水晶为“宝石级的观赏石”。包裹体水晶观赏石都具有独特性,具有极高欣赏和收藏价值。
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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�?。
A crystal program refers back to the classification of crystals determined by the geometric arrangement and symmetry of their lattice buildings. You can find seven principal crystal techniques:
⑥、丝印:水晶表面附有不同的色料进行效果处理,颜色层面较厚,着力后方可脱落。
水晶的价值还与块体大小有关,同样的颜色和净度级别,块越大越难得。有时候质量级别虽然低一些,但块体够大,也可能价格高于高级别的小晶体
14For example, We have now Quartz crystal clocks and watches exact to inside of one minute a calendar year.例如,我们使用的每年误差不超过1分钟的石英水晶钟表和手表。
crystal Alteration is variable: absent in many crystals, in Many others creating dense sericite aggregates which can present some recrystallization results to generate coarser-grained white mica. From your Cambridge English Corpus The tridymite crystals are rectangular or wedge-shaped and are sometimes organized in aggregates. In the Cambridge English Corpus In addition, haloarchaeal cells were being embedded within salt crystals below laboratory situations and subsequently analysed by mild microscopy. Within the Cambridge English Corpus The white clouds (commonly sparse) were being also extensively viewed as currently being composed of little crystals of water ice, somewhat like cirrus in our environment. With the Cambridge English Corpus These are present in evaporite salt lakes and can be trapped in salt crystals during evaporation. With the Cambridge English Corpus For that reason, the cells (organelles and membranes) are ruined mechanically by ice crystals, resulting in death by means of cell lysis. With the Cambridge English Corpus The crystals were used in the primary or 2nd orders of reflection. Through the Cambridge English Corpus Inside our 8xperiments, the crystals had been cubes that has a foundation location of 8 e mm. With check here the Cambridge English Corpus Vibration-assisted intermolecular hydrogen tunneling in photoreactive doped molecular crystals : effect of temperature and pressure.