Rumored Buzz on Crystal
Rumored Buzz on 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。
①压电效�?在机械力(压力或拉�?作用下，水晶单晶体的两端会产生电荷，其电量相等但符号相反。在工业上，无色、无缺陷、不具双晶的水晶常被用来作压电石英片。
结晶的形状非常细小，需要用显微镜才能看得清楚，外观上看起来是平滑、块状。常见最多的是各式玛瑙
Tetragonal: These crystals sort prisms and double pyramids. The structure is like a cubic crystal, besides just one axis is extended than one other.
《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。”
Monoclinic �?Characterised by three unequal axes, two of which intersect at an oblique angle, whilst the 3rd is perpendicular on the airplane of the opposite two.
水晶与高档宝石的净度要求有很大不同。高档宝石稀少罕见，所以一般人们普遍对高档宝石的净度不会过于苛求。而水晶的产量着实大得惊人，所以通常人们会要求水晶净度越高越好，尽量避免有较明显的内含物的水晶。
Being a sizzling Answer cools or a saturated Resolution evaporates, particles attract close plenty of for chemical bonds to type. Crystals could also type from deposition directly from the gas section. Liquid crystals have particles oriented in an organized fashion, like solid crystals, nonetheless have the ability to stream.
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�?。
The definition of a reliable seems noticeable; a strong is normally thought of as staying tricky and business. On inspection, however, the definition gets much less straightforward. A cube of butter, as an example, is difficult soon after becoming saved in a very fridge and is particularly clearly a strong. After remaining within the kitchen counter for on a daily basis, the same cube turns into quite smooth, and it truly is unclear if the butter must continue to be regarded as a good.
All crystal ball crystal apparent copyright liquid crystal crystal lattice crystal framework liquid crystal Display screen See all meanings Idioms and phrases crystal apparent idiom
Molecular Crystals: Total molecules are bonded to each more info other within an organized manner. A great illustration is really a sugar crystal, which consists of sucrose molecules.
⑦双色水晶：一种紫色和黄色共存一体的水晶，紫色、黄色之间界限较明显，分别占据晶块的一部分。
水晶观赏石是天然水晶中最具代表的作品，具有其他宝石都不具备的观赏性。不论是玉石翡翠还是都要经过雕琢后次能体现他的价值，而水晶观赏石只需要将表面进行抛光，即展现出晶体内所包裹的物质，直接欣赏原汁原味的水晶石。