Crystal for Dummies
Calcite crystals are frequently Employed in optical equipment, and perhaps the graphite in pencil direct are sheets of crystals that basically break apart layer by layer to put in writing. Silica can variety silicate crystals which can be the basis for quartz, mica, olivine, and a number of other crystals and minerals.the stable condition of many simple substances, which have an everyday form and surfaces organized in identical styles
人造水晶分为熔炼水晶与养殖晶:据水晶专家汪毅的阐述,随着水晶的价值提高,喜欢的人增多,水晶也引起了作伪者的兴趣,现阶段中国水晶市场常见的造假方法为:
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看抛光:抛光的好坏直接影响到水晶制品的身价。抛光分为软抛光与硬抛光。
Not all crystals sort in drinking water, but almost all crystals form the same way, atoms arrive alongside one another and become a uniformed cluster. The procedure normally takes as small as a few days to it's possible a thousand decades. Purely natural crystals that originate from the Earth sort exactly the same way.
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。
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。
仿制钛晶树水晶:钛晶是水晶里价格最昂贵的,造假者当然也不会放过这么好的产品。天然的环境下,在水晶里能生长个像树一样的钛晶,完全是可能的,只是这样的货很少,那我们的造假专家是如何做的呢,白水晶底下打个洞,激光打点成板状的钛晶进去,就这样这块水晶的身价就能飙升几十倍。往往有的钛晶戒面,会采用将钛晶部位割成板状,与圆面的水晶粘合的方法来制作。
crystal The recently crystallized quartz grains are characterized by elongate crystals oriented oblique on the shear band margins, defining an average grain-shape foliation. 来自 Cambridge English Corpus We are saying the chain topology from the high w region functions as being the proverbial ' scratch-on-theglass ' necessary from the natural and organic chemistry laboratory to create crystals. 来自 Cambridge English Corpus The age scatter among the person crystals may mirror incorporation of xenocrysts from earlier magmatic pulses or protoliths. 来自 Cambridge English Corpus The clinopyroxene forms neutral to pale brown, subhedral to anhedral crystals, once in get more info a while containing inclusions of plagioclase microlaths and opaque phases.
天然性是水晶观赏石的基本特性。通常整体造型水晶矿物不饰雕琢就具备很高的观赏价值,但是包裹体水晶观赏石经常需要适当打磨抛光,这样更方便观赏水晶内部的包裹体。
The sodium chloride crystal lattice is characterised via the shut packing of your optimistic sodium ions and damaging chloride ions. Each sodium ion is surrounded by six chloride ions, and every chloride ion is surrounded by 6 sodium ions, making a remarkably steady and symmetrical construction.
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�?�?。
This crystal construction is chargeable for the exclusive Actual physical and chemical Homes of sodium chloride, such as its substantial melting stage, electrical conductivity, and skill to form ionic bonds very easily.