The Basic Principles Of Crystal
The Basic Principles Of 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。
12He tried using once more in several other metropolitan areas and succeeded with Crystal Caramels.他又在其他几个城市再次尝试，并成功制出了水晶焦糖。
对水晶进行评价主要依据其颜色、透明度、大小、净度、特殊图案及是否有光学效应等方面。以颜色纯正，浓度较高，内部无瑕为好。种类上紫晶最贵，其次为黄晶、烟晶、无色水晶和芙蓉石。有特殊光学效应的水晶的价格更高。
We've published about above 300 stones inside the mineral kingdom! Examine Each individual stone's unique origin, background, and energies underneath.
《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。”
无色水晶与无色长石因折射率和密度十分接近故较难区分。主要方法是放大检查。长石有两组极完全解理，显微镜下可见两组解理相交而成的“娱蛤状”包裹体或细直的纹理，而水晶则无解理发育，仅有时可见断续不规则的裂理。
⑦、镀彩：运用类似电镀的手法在水晶表面以不同的色彩，层面较薄，经摩擦可划伤�?；出现划痕，由于镀彩经常位于底部，因此在镀彩底部经常采用其它对象附着，如生肖文镇。
The elements are discovered in a number of crystal packing preparations. The most common lattice constructions for metals are Those people obtained by stacking the atomic spheres into essentially the most compact arrangement.
水晶是有成色等级之分，影响水晶价位的因素很多，不像钻石以4C就可以判定，所以大家要多听多看多比较才能真正辨别出来。一般的标准是水晶石越大越好，越透越好，颜色越娇嫩越好，形状越典型越好。不过最重要还是自己喜欢，而选购时辨识真伪的方法大致有下列几种：
crystal The newly crystallized quartz grains are characterised by elongate crystals oriented oblique to your shear band margins, defining a normal grain-shape foliation. 来自 Cambridge English Corpus We say the chain topology while in the substantial w location acts given that the proverbial ' scratch-on-theglass ' wanted from the organic chemistry laboratory to produce crystals. 来自 Cambridge English Corpus The age scatter amid the individual crystals may perhaps replicate incorporation of xenocrysts from earlier magmatic pulses or protoliths. 来自 Cambridge English Corpus The clinopyroxene forms neutral to pale brown, subhedral to anhedral crystals, occasionally containing inclusions of plagioclase microlaths and opaque click here phases.
⑥、丝印：水晶表面附有不同的色料进行效果处理，颜色层面较厚，着力后方可脱落。
There are only a few diverse device-cell shapes, so many alternative crystals share one device-cell type. A very important characteristic of a unit mobile is the quantity of atoms it contains. The overall variety of atoms in all the crystal would be the quantity in Every single cell multiplied by the volume of unit cells. Copper and aluminum (Al) Each individual have 1 atom for each device mobile, even though zinc (Zn) and sodium chloride have two. Most crystals have only a few atoms for each unit cell, but there are several exceptions. Crystals of polymers, by way of example, have A huge number of atoms in Every single device cell.
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Binary crystals are located in lots of constructions. Some pairs of elements type multiple structure. At room temperature, cadmium sulfide could crystallize both inside the zinc blende or wurtzite construction. Alumina also has two attainable structures at place temperature, α-alumina (corundum) and β-alumina. Other binary crystals show different structures at various temperatures. One of the most complex crystals are People of silicon dioxide (SiO2), which has 7 distinct constructions at a variety of temperatures and pressures; the most common of such buildings is quartz.