Crystal for Dummies
Crystal for Dummies
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轴性、光性：一轴晶正光性。正交偏光下所看到的一轴晶干涉图是独特的，其黑十字臂未达中心，形成中空的图案，俗称牛眼干涉图。中心部分通常为淡绿色或淡粉色。
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。
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：
Fig. three: A library of lattice symmetries is usually accessed by switching the particle Main and DNA shell.
How Crystals Type The process of forming a crystal is known as crystallization. Crystallization usually happens every time a good crystal grows from a liquid or Remedy.
They'll at some point come up with a good minimal uniform cluster of atoms, This is often the entire process of growing crystals. The more they are able to come collectively, the greater of a formation might be obvious into the bare eye. Scientists can decide what mineral they are looking at by how the crystals type.
时尚的收藏爱好者喜欢收藏天然水晶，却常常因为在市场上面对大量的合成水晶看走了眼。市面上的水晶：
Ionic Crystals: Electrostatic forces type ionic bonds. A vintage case in point is a halite or salt crystal.
24I want to make my that means crystal very clear.我想把我的意思解释得清清楚楚。《牛津词典》
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。
Within the Cambridge English Corpus We say the chain topology during the large w area functions given that the proverbial ' scratch-on-theglass ' required within the natural and organic chemistry laboratory to produce crystals. With the Cambridge English Corpus Continuous-strain and temperature molecular-dynamics simulations of crystals of your lecithin fragments - glycerylphosphorylcholine and dilauroylglycerol. Within the Cambridge English Corpus Together with these, dust particles are already noticed in low-temperature plasmas, like These Employed in plasma processing and plasma crystals. Through the Cambridge English Corpus The final Section of the e book focuses on peculiarities of strongly coupled dusty plasmas, including the development of dust crystals and linked eye-catching read more forces. From the Cambridge English Corpus Total characterization of damage threshold in titanium doped sapphire crystals with nanosecond, picosecond, and femtosecond laser pulses. With the Cambridge English Corpus Unbroken crystals are euhedral; rounded, or even more irregular, primary morphologies were not observed. From the Cambridge English Corpus See all examples of crystal These illustrations are from corpora and from resources on the net. Any opinions during the illustrations never symbolize the belief of the Cambridge Dictionary editors or of Cambridge College Press or its licensors.
Orthorhombic: These are typically rhombic prisms and dipyramids that resemble tetragons but with no square cross-sections.
玉石纹理如果能形成美丽的花纹、图案，其价格就高，如玛瑙内红白相间的色带有规律地排列，形成缠丝玛瑙时，碧玉中的不均匀颜色形成一种风景图案时，材料的价值将提高。当水晶内包裹体形成美丽的图案时，如幽灵水晶、风景水晶，或者针状包裹体呈束状排列时，其价值都高于普通的水晶。图案越美观、越有意境越好。
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。