Crystal Fundamentals Explained

Crystal Fundamentals Explained

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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。

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景观水晶，就是包裹体组成各种造型特异的水晶，有的似山水，有的似人物，有些像文字，有些像动物，植物，器物等等。

看原料：选料精良的水晶制品，应看不到胶口及棉絮；质地纯净、光润、晶莹为好。

《全唐诗》卷七八五载《白雪歌》：“鸟啄冰潭玉镜开，风敲檐溜水晶折。”

当二氧化硅结晶完美时就是水晶；结晶不完美的就是石英：二氧化硅胶化脱水后就是玛瑙；二氧化硅含水的胶体凝固后就成为蛋白石；二氧化硅晶粒小于几微米时，就组成玉髓、燧石、次生石英岩。

Increase to word record Increase to phrase listing [ C/U ] clear rock that looks like ice, or a bit of it

Like a incredibly hot Answer cools or a saturated Answer evaporates, particles attract shut adequate for chemical bonds to sort. Crystals could also form from deposition directly from the fuel period. Liquid crystals possess particles oriented within an structured method, like reliable crystals, nevertheless have the ability to movement.

Crystals tend to be seen as one thing of immense elegance, and they are generally applied with diamonds or other stones to help make parts of jewelry. The vast majority of crystals now are man-created in laboratories.

广义的包裹体是指宝石内部含有的与主晶宝石化学成分、物理性质等不同的物质。

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。

国家还并未给天然水晶提供一个等级划分的具体标准，水晶品种繁杂，每一品种都有他不同的评判标准。

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。

Another sort of crystalline carbon relies on a molecule with 60 carbon atoms termed buckminsterfullerene (C60). The molecular shape is spherical. Each carbon is bonded website to a few neighbours, as in graphite, as well as the spherical form is obtained by a mixture of 12 rings with 5 sides and twenty rings with six sides. Equivalent constructions were being initial visualized because of the American architect R. Buckminster Fuller for geodesic domes.