A stable is crystalline if it's got very long-assortment buy. As soon as the positions of an atom and its neighbours are recognised at a single level, the location of every atom is thought exactly all through the crystal. Most liquids lack prolonged-array get, Despite the fact that quite a few have small-selection order. Small array is described as the 1st- or 2nd-closest neighbours of an atom. In several liquids the main-neighbour atoms are arranged in a similar composition as within the corresponding stable section.
Crystals are wonderful rock formations which have astonished individuals for 1000s of many years. They may be used for numerous different things, not only for decoration. Many of the very first radios ever invented utilised crystals to transmit the radio waves. Some devices, like quartz watches and laser crystals, use special Homes and harmonic capabilities of crystals for making highly exact measurements and changes.
A crystal structure focuses on how the atoms are arranged inside the crystal. Nonetheless, crystallographers have an interest in the more info overall condition and dimensions of the crystal and its exterior properties. To accomplish this, they should learn about the crystal procedure.
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。
Fig. four: Developing blocks with unique designs and surface chemistries direct the development of distinct crystal symmetries.
结晶�?When sea water 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
Crystals may be grown less than reasonable conditions from all 92 The natural way developing aspects other than helium, and helium can be crystallized at small temperatures by utilizing 25 atmospheres of force.
包裹体常见有固相、固液气三相组合、空洞以及双晶、色带等。水晶中典型的同生包裹体有自形的锐钛矿、气液两相包体等。
看文化：水晶里面的包裹体象形，能与文化、宗教及历史有所牵连的话，价格往往会比水晶本身的价值高出几倍甚至几百倍。
Search cryptosporidiosis cryptosporidium cryptozoologist cryptozoology crystal crystal ball crystal clear idiom crystal lattice BETA copyright #randomImageQuizHook.filename #randomImageQuizHook.isQuiz Exam your vocabulary with our enjoyable image quizzes
Crystals are don't just renowned for his or her Actual physical appearance, but various crystals of different resources and formations may result in an enormous selection of takes advantage of and Bodily Attributes.
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。
对于紫水晶黄水晶这样的单色水晶，通常要观察它的二色性，即使是最顶级的紫水晶黄水晶也是有色差的，通过这个方法可以鉴别是否加色。