The Greatest Guide To Crystal
The Greatest Guide To Crystal
Blog Article
诗中“胜美玉”，“过冰清”，写出水晶的质地美，而“亦欲应时明”则描绘出水晶充满灵性的动态美，耐人寻味。罗维是有独特眼光，懂得水晶真谛，第一个称赞水晶超过美玉的伟大诗人。他的认识已被千年之后的科学理论所证实；以水晶为直接吟咏对象的诗篇还有：
By clicking “Acknowledge All Cookies�? you agree to the storing of cookies on the product to reinforce web site navigation, evaluate internet site utilization, and aid inside our marketing and advertising endeavours.
景观水晶，就是包裹体组成各种造型特异的水晶，有的似山水，有的似人物，有些像文字，有些像动物，植物，器物等等。
Most stable resources present in nature exist in polycrystalline sort in lieu of as an individual crystal. They are actually made up of millions of grains (smaller crystals) packed together to fill all Place. Every person grain has a special orientation than its neighbours. Whilst extended-vary purchase exists in just just one grain, at the boundary involving grains, the ordering variations path. A normal bit of iron or copper (Cu) is polycrystalline.
《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。”
These illustrations are from corpora and from resources on the web. Any views within the examples tend not to represent the impression in the Cambridge Dictionary editors or of Cambridge College Push or its licensors.
根据包裹体和主晶宝石之间形成的先后关系可将水晶的包裹体划分以下三种类�?
Hexagonal �?Characterised by 4 axes, three of which might be equivalent in duration and intersect at 120 degrees, with a fourth axis perpendicular to the other 3.
24I want to make my that means crystal distinct.我想把我的意思解释得清清楚楚。《牛津词典》
Crystals with clear flat faces are referred to as euhedral crystals, while Those people lacking described faces are referred to as anhedral crystals. Crystals consisting of ordered arrays of atoms that are not normally periodic are called quasicrystals.
Look through cryptosporidiosis cryptosporidium cryptozoologist cryptozoology crystal crystal ball crystal crystal clear idiom crystal lattice BETA copyright #randomImageQuizHook.filename #randomImageQuizHook.isQuiz Examination your vocabulary with our pleasurable image quizzes
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
crystal, any stable substance wherein the element atoms are arranged in a definite sample and whose surface regularity demonstrates its inside symmetry.
Yet another method of crystalline carbon website is based over a molecule with sixty carbon atoms referred to as buckminsterfullerene (C60). The molecular condition is spherical. Every carbon is bonded to a few neighbours, as in graphite, as well as spherical condition is obtained by a combination of 12 rings with 5 sides and twenty rings with 6 sides. Identical structures were being first visualized through the American architect R. Buckminster Fuller for geodesic domes.