The 5-Second Trick For Crystal
The 5-Second Trick For Crystal
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天然的水晶一般都会有絮状(绵绺),也就是大家俗称的瑕疵,这是液体水落石出和二氧化碳的小孔穴,而人工合成的水晶就不会有这样的特征。
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A simple principle in crystal buildings will be the device cell. It's the smallest device of volume that permits identical cells to be stacked with each other to fill all Area. By repeating the pattern with the device cell over and over in all Instructions, the whole crystal lattice could be manufactured. A dice is The best example of a unit mobile. Two other illustrations are shown in Figure 1. The initial could be the unit cell for any facial area-centred cubic lattice, and the second is to get a system-centred cubic lattice. These structures are explained in the subsequent paragraphs.
水碧:《山海经》中,水晶又被称作水碧: �?又南三百里,日耿山,无草木,多水碧 �?,郭璞注�?�?亦水玉类 ”。这种称谓常被文人所引用,晋代郭景纯《璞江赋》道�?�?鬼,水碧�?�?。水晶又有人称它叫玉瑛。《符瑞图》载�?美石似玉,水精谓之玉瑛也�?”
C2 [ U ] transparent glass of very high quality, usually with its surface area Reduce into delicate designs:
第二种是“半包裹体”,在水晶结晶以后,由于受到地球引力的影响而产生的裂隙,晶体外的一些物质通过水晶的裂隙渗透到水晶内部,一部分包裹于水晶之中另一部分露于水晶之外。我们可以看到物质渗进水晶的裂迹,常被称为“通道”,这种包裹体所形成的景象相对地较受自然环境和时间的影响,相应的价值也比较�?。
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:
There exists a comparable directive about crystal glass which differentiates in between whole direct crystal, guide get more info crystal and crystal.
水晶包裹体丰富多彩,从气体、液体到各种矿物质,甚至宝石,均可被包含于水晶内,各种包裹体所形成的景象更是变化万千。按照包裹体的内容,常把包裹体水晶分为一下八类:
多色�?无色水晶没有多色性。有色水晶有弱到强的多色�?表现为体色的不同深浅。
⑥、丝印:水晶表面附有不同的色料进行效果处理,颜色层面较厚,着力后方可脱落。
Fig. 1: Schematic of crystal formation from creating blocks composed of a particle Main plus a shell of DNA ligands hooked up towards the particle surface.
水精:水晶为何称为水精,《广雅》有巧解:�?水之精灵�?”;李时珍则说:�?莹洁晶光,如水之精英 ”。细加考究,此称还蕴含浓厚的宗教意味呢。水精一名,最初见于佛书,后汉支曜翻译的《具光明定意经》说:�?其所行道,色如水�?�?。
⑥白色的包裹体有蚀变的绿泥石、云母、愈合裂隙、水晶、方解石、透闪石等。