A good is crystalline if it has lengthy-assortment order. Once the positions of the atom and its neighbours are recognised at a person stage, the spot of each and every atom is understood specifically all over the crystal. Most liquids absence very long-vary get, Whilst a lot of have limited-assortment order. Small vary is described as the main- or second-nearest neighbours of an atom. In many liquids the first-neighbour atoms are organized in exactly the same construction as in the corresponding solid stage.
the stable condition of numerous easy substances, which have an everyday form and surfaces arranged in similar styles
一般而言，紫晶和黄晶是水晶中价值较高的品种。两者进一步的分级是据其颜色的深浅，颜色较深的为A级，稍浅的为B级。一般颜色较深的价格高，但要以不深暗为标准。颜色包括两种，一种是水晶本身的颜色，另一种是内部包裹体的颜色。水晶本身的颜色要艳丽、纯正，分布要均匀，不能太深或太浅，如澳州玉、蓝玉髓、紫晶、黄水晶，其价格就高。无色的水晶内含包裹体的颜色艳丽，其价格也高，如钛晶、绿幽灵、红兔毛。紫水晶一般以稍有云状物、颜色深紫、晶体通透的为上品。
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。
C2 [ U ] transparent glass of really good quality, commonly with its area Slice into sensitive patterns:
They can sooner or later make a great very little uniform cluster of atoms, This is often the whole process of expanding crystals. The greater they could occur with each other, the more of a development will likely be noticeable to your naked eye. Experts can determine what mineral They can be looking at by how the crystals form.
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�?”。
Crystals are almost nothing a lot more than an purchased arrangement of molecules or atoms. Crystals are available in many alternative sizes and shapes, and each has distinctive traits. The things they are created of determines how it's going to sort.
第三种是“皮景”，因某些其他的矿物与水晶体共生，或由于其他的物质侵蚀而依附于水晶表面，或者是水晶受自然环境的影响，在水晶表面出现蚀象，形成了一些景象或图案，这种景观存在于水晶表面。
[ C/U ] transparent glass of top of the range, usually with its area Lower into styles that replicate light-weight
All crystal ball crystal crystal clear copyright liquid crystal crystal lattice crystal composition liquid crystal Show See all meanings Idioms and phrases crystal distinct idiom
Molecular Crystals: Entire molecules are bonded to each other within an structured method. A great case in point is often a sugar crystal, which includes sucrose molecules.
⑤、打孔：是在水晶成品未完成前，根据其所需打孔之尺寸及位置，以钻头加工，如制表件、笔筒、瓶孔等。
Intelligent get more info Vocabulary: related terms and phrases Geology: mineralogy beneficiation crystalline deposit gemologist gemology gold dust graphite idiomorphic intercrystalline like gold dust idiom magnesium mineral nugget pyrite quasicrystal seam silicon unmined vermiculite vulcanicity See extra results » You can even come across connected terms, phrases, and synonyms inside the subjects: