New Step by Step Map For Crystal
New Step by Step Map For 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 conform to the storing of cookies on the unit to enhance site navigation, review web site utilization, and guide within our advertising and marketing endeavours.
天然水晶是不可再生资源，随着开发的深入，天然水晶存量已越来越少，为了可持续发展，东海县政府早就制定了保护本地资源，鼓励开发海外水晶资源的政策，但是，海外资源也越来越少，很多国家都提高了开采和出口天然水晶的门槛，进入东海市场的外国水晶价格连年暴涨，其中观赏水晶比普通水晶涨价更快。
We have composed about above three hundred stones in the mineral kingdom! Read about Each individual stone's exceptional origin, record, and energies under.
断口：贝壳状。断口也叫破口。它是指矿物被打击后产生不规则的破裂，破裂裂面凹凸不平称为断口。根据断口的形状可分为贝壳状和锯齿状。
Encyclopaedia Britannica's editors oversee topic parts wherein they've comprehensive understanding, whether or not from yrs of working experience received by engaged on that articles or by means of examine for a complicated degree. They write new material and validate and edit articles gained from contributors.
石英：《广雅》称水晶叫石英，色白如莹者又叫白。为附的异形字。司马相如《子虚赋》就�?�?雌黄�?�?之句。苏林解释：�?�?，白石英�?”。
For a scorching Alternative cools or simply a saturated solution evaporates, particles attract shut sufficient for chemical bonds to form. Crystals could also form from deposition directly from the fuel section. Liquid crystals have particles oriented within an organized method, like stable crystals, still will be able to circulation.
Q.four. What's the distinction between atomic construction and crystal structure? Ans. The primary distinction between atomic framework and crystal structure lies within their definitions: atomic composition refers to how atoms are arranged inside a solitary molecule or perhaps a cluster of more info molecules, whereas crystal composition fears the specific arrangement of atoms inside of a reliable compound.
Crystals with noticeable flat faces are identified as euhedral crystals, although Those people lacking described faces are called anhedral crystals. Crystals consisting of requested arrays of atoms that aren't constantly periodic are called quasicrystals.
用手去触摸水晶，天然水晶通常温度要比人造水晶的要凉的多；用眼观察，天然水晶通常有棉絮状的包裹体，这个是人造水晶所没有的。
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。
《古今小说·李公子救蛇获称心》：“器皿皆是玻璃、水晶、琥珀、玛瑙为之，曲尽巧妙，非人间所有。”
One more sort of crystalline carbon is based with a molecule with sixty carbon atoms known as buckminsterfullerene (C60). The molecular shape is spherical. Each carbon is bonded to a few neighbours, as in graphite, as well as the spherical form is realized by a combination of 12 rings with five sides and 20 rings with 6 sides. Equivalent buildings had been 1st visualized because of the American architect R. Buckminster Fuller for geodesic domes.