Facts About Crystal Revealed
Facts About Crystal Revealed
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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。
⒉棉、云雾或渣状包裹体、杂质在透明水晶内部有雾蒙蒙的现象或是感觉里面像有棉絮状、渣状物质一样的包裹体，这些包裹体的存在，影响水晶的整体美观。还有的水晶内局部含有黑斑或其他颜色的斑状物质，与水晶整体不协调，被视为水晶的杂质，有这种杂质的水晶是次品。
晶及其石英岩类玉石是中低档宝玉石，虽比不上钻石、红蓝宝石的高贵，但在加工中如果构思巧妙而且加工精细，同样具有很高的价值。如中国传统的玛瑙“虾盘”、“龙盘”、“水漫金山�?水胆玛瑙摆件)都被誉为国家级宝玉石。
We've penned about around 300 stones from the mineral kingdom! Read about Each individual stone's unique origin, background, and energies down below.
Crystalline construction is characterised by a geometrical, repeating sample of symmetric molecular structure. The arrangement of atoms varieties these purchased, repeating designs.
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Add to term record Add to phrase record [ C/U ] transparent rock that appears like ice, or possibly a bit of it
The weather are found in many different crystal packing arrangements. The most typical lattice buildings for metals are All those acquired by stacking the atomic spheres into essentially the most compact arrangement.
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22Working from what The us previously is familiar with about itself, the bureau's experts as well as other demographers give an irresistible, if clouded, crystal ball amid their visions.
In the Cambridge English Corpus We say the chain topology during the large w region functions as being the proverbial ' scratch-on-theglass ' desired during the natural and organic chemistry laboratory to make crystals. From the Cambridge English Corpus Continual-strain and temperature molecular-dynamics simulations of crystals from the lecithin fragments - glycerylphosphorylcholine and dilauroylglycerol. In the Cambridge English Corpus In addition to these, dust particles happen to be noticed in lower-temperature plasmas, like Individuals Employed in plasma processing and plasma crystals. Within the Cambridge English Corpus The ultimate A part of the ebook concentrates on peculiarities of strongly coupled here dusty plasmas, like the formation of dust crystals and associated beautiful forces. From the Cambridge English Corpus Finish characterization of damage threshold in titanium doped sapphire crystals with nanosecond, picosecond, and femtosecond laser pulses. With the Cambridge English Corpus Unbroken crystals are euhedral; rounded, or even more irregular, Principal morphologies weren't observed. With the Cambridge English Corpus See all examples of crystal These illustrations are from corpora and from sources on the internet. Any viewpoints in the examples usually do not symbolize the belief of the Cambridge Dictionary editors or of Cambridge College Press or its licensors.
国家还并未给天然水晶提供一个等级划分的具体标准，水晶品种繁杂，每一品种都有他不同的评判标准。
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。
21You all know how after you have a crystal prism and move a beam of daylight by it, you have a spectrum, which seems like a ongoing band of rainbow shades.