5 Simple Statements About Crystal Explained
5 Simple Statements About Crystal Explained
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诗中“胜美玉”,“过冰清”,写出水晶的质地美,而“亦欲应时明”则描绘出水晶充满灵性的动态美,耐人寻味。罗维是有独特眼光,懂得水晶真谛,第一个称赞水晶超过美玉的伟大诗人。他的认识已被千年之后的科学理论所证实;以水晶为直接吟咏对象的诗篇还有:
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。
These advancements include unique buildings with programmable lattice symmetries and properly-outlined crystal routines, responsive products that leverage the intrinsic properties of nucleic acids to govern constructions on demand, nanoparticle superlattices grown epitaxially from surfaces and colloidal crystals which provide insights into gentle–make any difference interactions. Seeking ahead, we challenge the Local community to leverage the incredible structural Command afforded by crystal engineering with DNA to synthesize courses of practical products that press beyond what has been probable with Obviously transpiring crystalline components or These created by additional regular tactics.
Increase to phrase list Include to phrase checklist C2 [ U ] transparent glass of extremely superior quality, typically with its surface area cut into fragile click here patterns
2She was carrying a strand of crystal beads.她戴着一串水晶珠子。《柯林斯英汉双解大词典》
Not all crystals kind in h2o, but almost all crystals type the same way, atoms arrive collectively and become a uniformed cluster. The procedure normally takes as minor as a few days to it's possible a thousand years. Normal crystals that originate from the Earth type precisely the same way.
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:
11I thoroughly opened the offer and found a crystal bell inside.我小心地打开包裹,发现里面有一个水晶钟。
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 ] clear glass of high quality, typically with its surface Lower into styles that replicate light-weight
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。
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�?�?。
矿物成分:针铁矿、赤铁矿、金红石、磁铁矿、电气石、石榴石、云母、绿泥石等形成了包裹体水晶,如发晶、钛晶、绿幽灵等,发晶中则含有肉眼可见的似头发状的针状矿物的包裹体形成。含锰和铁者称紫水晶;含铁�?;呈金黄色或柠檬�?)称黄水晶;含锰和钛呈玫瑰色者称蔷薇石英,即粉水晶;烟色者称烟水晶;褐色者称茶晶;黑色透明者称为墨晶。