5 Simple Techniques For Crystal
5 Simple Techniques For Crystal
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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。
无色水晶以晶莹美丽、洁净透明着称。衡量无色水晶主要看它的纯度，越纯、越透明越好。干净的、无瑕疵的、杂质少的价值就高。无色的水晶如果很脏，就没有利用价值。
4Without a crystal ball, It truly is difficult to mention where we'll be following calendar year.不用水晶球预卜未来，我们说不准明年处境如何呀。《牛津词典》
Most strong components found in nature exist in polycrystalline variety rather than as an individual crystal. They are actually made up of an incredible number of grains (smaller crystals) packed collectively to fill all Area. Every unique grain has another orientation than its neighbours. Even though lengthy-selection order exists inside 1 grain, on the boundary concerning grains, the purchasing adjustments direction. A standard piece of iron or copper (Cu) is polycrystalline.
. These four buildings comprise the vast majority of binary crystals with equivalent quantities of cations and anions.
结晶�?When sea h2o is allowed to evaporate, salt crystals are deposited. 海水蒸发后，盐的结晶体就沉淀下来。
Add to term checklist Include to word listing [ C/U ] transparent rock that looks like ice, or simply a bit of it
The weather are found in a number of crystal packing preparations. The most typical lattice buildings for metals are These acquired by stacking the atomic spheres into the most compact arrangement.
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[ C/U ] transparent glass of top quality, generally with its surface area Slice into designs that replicate light-weight
There are two such probable periodic arrangements. In Every, the initial layer has the atoms packed into a aircraft-triangular lattice in which each and every atom has 6 speedy neighbours. Determine 2 demonstrates this arrangement with the atoms more info labeled A
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。
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。
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。