The Basic Principles Of Crystal
The Basic Principles Of Crystal
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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。
the sound condition of numerous simple substances, which have a daily condition and surfaces arranged in related styles
人造水晶分为熔炼水晶与养殖晶：据水晶专家汪毅的阐述，随着水晶的价值提高，喜欢的人增多，水晶也引起了作伪者的兴趣，现阶段中国水晶市场常见的造假方法为：
养殖晶：养殖晶是指，用天然水晶做种子，然后赋予天然水晶生长的高压条件，养殖器中有富含二氧化硅的分子。然后二氧化硅分子围绕天然水晶种生长，这样的水晶成分（分子式）与天然水晶是一摸一样的，唯一有差别的是，这样的水晶磁场作用没有天然水晶强。
25If you're a Billy Crystal enthusiast, you may like 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》
They're going to finally produce a wonderful small uniform cluster of atoms, That is the entire process of escalating crystals. The more they will occur with each other, the more of the formation is going to be noticeable into the naked eye. Scientists can decide what mineral they are checking out by how the crystals variety.
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�?”。
发晶：无色、浅黄、浅褐等，可因含金红石常呈金黄、褐红等色，含电气石常呈灰黑色；含阳起石而呈灰绿色。
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�?。
say cheese something that somebody that is having a photograph of you lets you know to mention so that the mouth would make the shape of the smile
地质学家目前为止对晶洞形成还没有广泛认同的理论，但相信晶洞可以在任何埋藏的空腔内形成。这些空腔可以是火成岩中的气泡、树根下的空穴，甚至动物挖的地洞。经过漫长时间，空腔的外壁变硬，溶解的矽酸盐或方解石沉积到内壁。再经过漫长的时间，缓慢渗入的矿物使得晶体在空腔内部结晶。
You will find only a few unique unit-cell designs, so many various crystals share an individual unit-cell type. An important characteristic of a unit mobile is the number of atoms it has. The total range of atoms in your complete crystal is the amount in Every mobile multiplied by the amount of device cells. Copper and aluminum (Al) each have a person atom for every device cell, while zinc (Zn) and sodium chloride have two. Most crystals have only a few atoms per unit mobile, but there are many exceptions. Crystals of polymers, as an example, have 1000s of atoms in each device cell.
Crystals are classified in general categories, like insulators, metals, semiconductors, and molecular solids. An individual crystal of an insulator is often transparent and resembles a bit of glass. Metals are shiny Until they've got rusted. Semiconductors are sometimes shiny and at times transparent but are in no way rusty. Lots of crystals can be classified as only one kind of solid, while others have intermediate conduct. Cadmium sulfide (CdS) may be well prepared in pure sort and is a superb insulator; when impurities are additional to cadmium sulfide, it gets an interesting semiconductor.
Intelligent Vocabulary: relevant words and phrases and phrases Geology: mineralogy beneficiation crystalline deposit gemologist gemology gold dust graphite idiomorphic intercrystalline like gold dust idiom magnesium mineral nugget pyrite click here quasicrystal seam silicon unmined vermiculite vulcanicity See more effects » You may also uncover associated terms, phrases, and synonyms from the matters: