Crystal Secrets
Crystal Secrets
Blog Article
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。
③、粗抛光：是将模具压出之毛胚，以金刚石盘直接磨出成品之刻线。④、细抛光：在粗抛光之后，以抛光粉来磨成品至晶莹剔透为止。
晶及其石英岩类玉石是中低档宝玉石，虽比不上钻石、红蓝宝石的高贵，但在加工中如果构思巧妙而且加工精细，同样具有很高的价值。如中国传统的玛瑙“虾盘”、“龙盘”、“水漫金山�?水胆玛瑙摆件)都被誉为国家级宝玉石。
Massive crystals of diamond are useful gemstones. The crystal has other attention-grabbing Qualities; it has the best sound velocity of any sound and is the greatest conductor of heat. Apart from diamond, the other typical kind of carbon is graphite, that is a layered materials. Each individual carbon atom has a few coplanar in the vicinity of neighbours, forming an arrangement known as the honeycomb lattice. 3-dimensional graphite crystals are obtained by stacking very similar layers.
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。
Monoclinic �?Characterized by three unequal axes, two of which intersect at an oblique angle, while the third is perpendicular to your plane of the opposite two.
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。
发晶：无色、浅黄、浅褐等，可因含金红石常呈金黄、褐红等色，含电气石常呈灰黑色；含阳起石而呈灰绿色。
水晶是有成色等级之分，影响水晶价位的因素很多，不像钻石以4C就可以判定，所以大家要多听多看多比较才能真正辨别出来。一般的标准是水晶石越大越好，越透越好，颜色越娇嫩越好，形状越典型越好。不过最重要还是自己喜欢，而选购时辨识真伪的方法大致有下列几种：
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。
Through the Cambridge English Corpus We are saying the chain topology within the significant w region functions because the proverbial ' scratch-on-theglass ' required while in the organic and natural chemistry laboratory to create crystals. In the Cambridge English Corpus Frequent-tension and temperature molecular-dynamics simulations of crystals of your lecithin fragments - glycerylphosphorylcholine and dilauroylglycerol. In the Cambridge English Corpus Together with these, dust particles are noticed in reduced-temperature plasmas, like Those people Utilized in plasma processing and plasma crystals. From your Cambridge English Corpus The final Component of the ebook concentrates on peculiarities of strongly coupled dusty plasmas, such as the development of dust crystals and related desirable forces. From the Cambridge English Corpus Entire characterization of injury threshold in titanium doped sapphire crystals with nanosecond, picosecond, and femtosecond laser pulses. Through the Cambridge English Corpus Unbroken crystals are euhedral; rounded, or more irregular, primary morphologies were not observed. Through the Cambridge English Corpus See all samples of crystal These illustrations are from corpora and from resources online. Any opinions while in the examples never stand for the viewpoint of your Cambridge Dictionary editors or of Cambridge University Press or its licensors.
You can find other minerals and molecules which can kind these crystal lattices. Snowflakes certainly are a classic example of a approximately symmetric and geometrically patterned composition from ice crystals, and gemstones of all types are usually crystals.
crystal, any solid material by which the component atoms are organized in the definite sample and whose read more surface area regularity displays its inside symmetry.
对于紫水晶黄水晶这样的单色水晶，通常要观察它的二色性，即使是最顶级的紫水晶黄水晶也是有色差的，通过这个方法可以鉴别是否加色。