Fascination About Crystal
Fascination About Crystal
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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：
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发晶的价值取决于发的颜色、罕见性及大小，一般是发色鲜艳、块度大的价格高。水胆水晶的价值主要取决于水胆及晶体的大小、透明度的高低。如果水胆较大并有一定形态，便可加工成较为珍贵的工艺品。另外水胆中的水也有一定的科学研究价值，通过它们可了解几百万年前地球上水的成分及变化。
诗中道出一段唐代由盛变衰的史实。玄宗末年，杨贵妃得宠，三姐妹并封为国夫人。他们养尊处优，奢华至极，仆人用水晶盘将珍馐佳肴端到宴席上，美人觉得没有口味，懒得动筷子。作为“诗圣”作为“史诗”，紫驼一段写饮食之精美，不空发议论，只尽情揭露事实，无一刺讥语，无一慨叹声，却使人于以外得之：此诗之善讽也。以史为鉴，这样的世道，这样的人物，国家不出“安史之乱”那样的大祸反倒不正常了。
条痕颜色：无色。矿物粉末的颜色叫条痕。它可以消除假色，减弱他色，保留自色，是比矿物的颜色更为可靠的鉴定特征之一。
Learn how the shape with the crystals ascertain the different minerals into familiesMinerals crystallize In keeping with one of 7 motifs, often known as crystal systems.
水晶原石观赏石，从字面意义理解：观赏水晶石的原貌，即经过抛光去皮后的包裹体水晶和原色水晶，不需雕刻不求象形就具有非常高的观赏价值和收藏价值。此类水晶观赏石对质地要求非常之高，水晶晶体通透干净，颜色艳丽，意境鲜明深刻的价值就高，它的价值特点就好比钻石，实实在在石头本身的价值。
Being a very hot Alternative cools or even a saturated Alternative evaporates, particles attract shut ample for chemical bonds to kind. Crystals could also form from deposition straight from the fuel stage. Liquid crystals possess particles oriented in an structured method, like solid crystals, yet are able to move.
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晶体 Silicon crystals developed inside a laboratory convert mild into electrical Power. 在实验室中长成的硅晶体可将光线转变为电能。
被主体水晶所捕获的包裹体。原生包裹体通常为固相，形态较规则。水晶中典型的原成包裹体有金红石、电气石、黄铁矿等，也会见到岩石碎屑或集合体。
Crystallography is definitely the research of crystals, and it deals with every little thing from perfect geometric designs to seemingly random conglomerations of particles and minerals.
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crystal Alteration is variable: absent in several crystals, in others producing dense sericite aggregates which can demonstrate some recrystallization results to make coarser-grained white mica. Through the Cambridge English Corpus The tridymite crystals are rectangular or wedge-shaped and are occasionally organized in aggregates. Within the Cambridge English Corpus Additionally, haloarchaeal cells were being embedded in salt crystals less than laboratory situations and subsequently analysed by light microscopy. From the Cambridge English Corpus The white clouds (usually sparse) ended up also broadly viewed as remaining made up of small crystals of h2o ice, rather like cirrus inside our ambiance. In the Cambridge English Corpus They're located in evaporite salt lakes and can be trapped in salt crystals for the duration of evaporation. In the Cambridge English Corpus Therefore, the cells (organelles and membranes) are destroyed mechanically by ice crystals, leading to Demise by means of mobile lysis. Within the Cambridge English Corpus The crystals had been Employed in the very first or 2nd orders of reflection. From your Cambridge English Corpus Within our 8xperiments, the crystals had been cubes having a foundation place of eight e mm. With the Cambridge English Corpus Vibration-assisted intermolecular hydrogen tunneling in photoreactive doped molecular crystals : outcome of temperature and tension.