5 Simple Techniques For Crystal
These crystals were being fashioned in excess of 1,000,000 several years in the past In the Earth's crust. They happen once the liquid within the Earth consolidates as well as the temperature chills. Other crystals form when the liquid helps make its way with the clefts and dispense minerals in to the clefts.12He tried all over again in numerous other towns and succeeded with Crystal Caramels.他又在其他几个城市再次尝试,并成功制出了水晶焦糖。
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。
Fig. 3: A library of lattice symmetries may be accessed by modifying the particle core and DNA shell.
Crystalline framework is characterised by a geometric, repeating pattern of symmetric molecular structure. The arrangement of atoms varieties these ordered, repeating styles.
These examples are from corpora and from sources on the net. Any viewpoints in the illustrations never characterize the belief of your Cambridge Dictionary editors or of Cambridge College Push or its licensors.
水晶的评价标准和高端宝石有所不同。多数高端宝石把颜色放在评价的第一位,而对水晶来说,颜色和净度(水晶行业称作晶体)是近乎同等重要的因素:
26Some of the finest drinking glasses are created from direct crystal.一些最精致的酒杯是用铅晶质玻璃制成的。《柯林斯英汉双解大词典》
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。
幽灵水晶,分绿幽灵,红幽灵,白幽灵等,主要组成为绿泥石,其中绿幽灵属于珍贵品种。
From your Cambridge English Corpus We say the chain topology while in the large w area functions given that the proverbial ' scratch-on-theglass ' desired during the natural chemistry laboratory to produce crystals. In the Cambridge English Corpus Continuous-pressure and temperature molecular-dynamics simulations of crystals of the lecithin fragments - glycerylphosphorylcholine and dilauroylglycerol. In the Cambridge English Corpus Besides these, dust particles are already observed in very low-temperature plasmas, like People used in plasma processing and plasma crystals. With the Cambridge English Corpus The ultimate A part of the reserve focuses on peculiarities of strongly coupled dusty plasmas, like the development of dust crystals and connected appealing forces. With the Cambridge English get more info Corpus Complete characterization of harm threshold in titanium doped sapphire crystals with nanosecond, picosecond, and femtosecond laser pulses. From the Cambridge English Corpus Unbroken crystals are euhedral; rounded, or even more irregular, Principal morphologies weren't noticed. Within the Cambridge English Corpus See all samples of crystal These examples are from corpora and from resources on the web. Any viewpoints within the examples will not stand for the opinion from the Cambridge Dictionary editors or of Cambridge University Push or its licensors.
隐晶类水晶外观是一块块的,不是成六角水晶簇状,但他们却也是属六方晶系的。但我们不能以肉眼观察到他们的六角形结晶,因为结晶的体积极为细小,需以显微镜协助下才能看到六角开结晶。而此类水晶非常平滑,因为结晶之间有“水化硅石”填补,玛瑙便属于此类。
水玉:中国最古老的称法叫水玉,意谓似水之玉,又说是 �?千年之冰所�?�?。唐代诗人温庭筠《题李处士幽居》写道:�?水玉簪头白角巾,瑶琴寂历拂轻�?”。水玉一词最早频繁出于《山海经》:�?又东三百里,日堂庭之�?…�?多水�?”;�?丹山出焉,东南流注于洛水,其中多水玉 ”;�?逐水出焉,北流注于渭,其中多水玉 ”。司马相如《上林赋》曰�?�?水玉磊河 �?。水晶得名水玉,古人是看�?�?其莹如水,其坚如�?�?的质地。
水晶观赏石在形态、质地、内部特征等方面往往十分奇异。大自然有无限风光,都可以在包裹体水晶种找到缩影。