Crystal Fundamentals Explained
Crystal Fundamentals Explained
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17These rings are indicative on the crystal framework of nickel and will be defined only by invoking wavelike properties of sunshine.这些光圈表明了了镍的晶体结构,而且只能通过光线中波的特征来解释。
水晶原石观赏石充分体现了天然水晶的本质,经过抛光的水晶原石观赏石,玲珑剔透、晶莹璀璨,独具匠心的设计,恰到好处地显露出水晶的魅力。如果您想单纯的欣赏水晶,水晶原石观赏石是你的不二之选,给人一种返璞归真的感觉。
4Without a crystal ball, It truly is unachievable to mention in which we are going to be future yr.不用水晶球预卜未来,我们说不准明年处境如何呀。《牛津词典》
Incorporate to term list Insert to term record C2 [ U ] transparent glass of extremely premium quality, ordinarily with its area Reduce into fragile styles
断口:贝壳状。断口也叫破口。它是指矿物被打击后产生不规则的破裂,破裂裂面凹凸不平称为断口。根据断口的形状可分为贝壳状和锯齿状。
Clever Vocabulary: related words and phrases and phrases Glass blower blowpipe bulletproof glass Slash glass fibreglass frosted glassware glaze glazed glazier glazing prism prismatic punty Pyrex reglaze unglazed vitreous vitrification vitrify See more benefits » It's also possible to obtain associated terms, phrases, and synonyms from the topics:
对任何宝石来说,颜色都是非常重要的,水晶也不例外。如果是水晶晶体是有颜色的,如粉水晶、黄水晶、紫水晶等,其颜色评价的最高标准则是明艳动人,不带有灰色、黑色、褐色等其他色调。如粉水晶,颜色以粉红为佳;紫水晶,要求颜色为鲜紫,纯净不发黑;黄水晶,要求颜色不含绿色、柠檬色调,以金橘色为佳。对于发晶来说,晶体的颜色也是很重要的。相同发丝的金发晶,晶体完全无色(白水晶)和晶体略偏茶色,肉眼的视觉观感也是有差别的,所以前者的价格会高于后者。
市场上有很多人把熔炼水晶也叫做合成水晶,那是不准确的,一般都是以水晶废料为原料在高温高压下熔炼出来的,而不是结晶成的,不具备水晶的晶体特性,所以不能把熔炼水晶与合成水晶混为一谈;但是熔炼水晶耐高温,用优质二氧化硅熔炼成的熔炼水晶可以做成实用产品比如水晶杯、烤盘、茶具等,实际上一代伟人毛泽东主席的水晶棺就是选用东海优质水晶熔炼而成的。
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A crystal procedure refers back to the classification of crystals determined by the geometric arrangement and symmetry in their lattice structures. You'll find 7 key crystal programs:
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。
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。
玉石纹理如果能形成美丽的花纹、图案,其价格就高,如玛瑙内红白相间的色带有规律地排列,形成缠丝玛瑙时,碧玉中的不均匀颜色形成一种风景图案时,材料的价值将提高。当水晶内包裹体形成美丽的图案时,如幽灵水晶、风景水晶,或者针状包裹体呈束状排列时,其价值都高于普通的水晶。图案越美观、越有意境越好。
crystal Alteration is variable: absent in many crystals, in Some others developing dense sericite aggregates which may demonstrate some recrystallization effects to supply coarser-grained white mica. Within the Cambridge English Corpus The tridymite crystals are rectangular or wedge-shaped and are occasionally organized in aggregates. In the Cambridge English Corpus Furthermore, haloarchaeal cells ended up embedded within salt crystals beneath laboratory problems and subsequently analysed by light-weight microscopy. more info With the Cambridge English Corpus The white clouds (typically sparse) were also commonly thought to be currently being made up of tiny crystals of water ice, rather like cirrus inside our environment. Through the Cambridge English Corpus They're found in evaporite salt lakes and can be trapped in salt crystals all through evaporation. In the Cambridge English Corpus Hence, the cells (organelles and membranes) are destroyed mechanically by ice crystals, resulting in Dying via mobile lysis. Within the Cambridge English Corpus The crystals had been Utilized in the 1st or second orders of reflection. From your Cambridge English Corpus Inside our 8xperiments, the crystals were being cubes using a base spot of eight e mm. Through the Cambridge English Corpus Vibration-assisted intermolecular hydrogen tunneling in photoreactive doped molecular crystals : outcome of temperature and force.