An Unbiased View of Crystal
An Unbiased View of Crystal
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对这类水晶晶簇观赏石的欣赏与评价，主要是强调晶体的完整、品种的名贵（如紫水晶、烟晶、发晶等）、造型奇特、含有名贵晶体（如辰砂、辉锑矿等）伴生等。晶簇产于矿床晶洞中，长相完美的并不多见，要完整无损地采集下来，又比较困难，故而采集起来代价较大，精品晶簇价值也就昂贵了。
Bismuth (Bi) appears being a metal, but the volume of electrons readily available for electrical conduction is comparable to that of semiconductors. The truth is, bismuth is named a semimetal. Molecular solids usually are crystals shaped from molecules or polymers. They are often insulating, semiconducting, or metallic, according to the form of molecules from the crystal. New molecules are repeatedly currently being synthesized, and many are made into crystals. The volume of different crystals is enormous.
水晶文化历史悠久，古人曾赋予它一串极富美感的雅称：水玉、水精、水碧、石英等。
水碧：《山海经》中，水晶又被称作水碧： �?又南三百里，日耿山，无草木，多水碧 �?，郭璞注�?�?亦水玉类 ”。这种称谓常被文人所引用，晋代郭景纯《璞江赋》道�?�?鬼，水碧�?�?。水晶又有人称它叫玉瑛。《符瑞图》载�?美石似玉，水精谓之玉瑛也�?”
2She was carrying a strand of crystal beads.她戴着一串水晶珠子。《柯林斯英汉双解大词典》
结晶�?When sea h2o is allowed to evaporate, salt crystals are deposited. 海水蒸发后，盐的结晶体就沉淀下来。
⑩、雷射内雕：以计算机辅助激光设备在水晶对象中进行三维图案的成型，艺术效果好，可以任意表达各类图案，图形，达到逼真效果
As being a scorching Answer cools or a saturated solution evaporates, particles draw shut ample for chemical bonds to type. Crystals may type from deposition straight from the gasoline period. Liquid crystals have particles oriented in an organized method, like good crystals, however can circulation.
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 which someone who is getting a photograph of you informs you to say so that your get more info mouth can make the shape of a smile
. The second layer is shaded within the figure. It has a similar airplane-triangular structure; the atoms sit from the holes shaped by the initial layer. The 1st layer has two equivalent sets of holes, although the atoms of the 2nd layer can occupy just one established. The 3rd layer, labeled C
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。
压电性：水晶晶体受到压力时会产生电荷；反之，受到电压作用时，晶体会产生频率很高的振动。水晶具有可使压力与电荷相互转移的性能，称压电性。
⑥白色的包裹体有蚀变的绿泥石、云母、愈合裂隙、水晶、方解石、透闪石等。