Crystal Things To Know Before You Buy
Crystal Things To Know Before You Buy
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其它描述：《庶物异名疏》中说： �?水精出大秦国，一名黎�?�?。结晶完整的水晶晶体，就如参差交错的马齿，所以人们又叫它马牙石。先民们最早用它研磨成眼镜片，因而送它一个眼镜石的绰号。水晶有通称，也有俗称。广州一带称水晶叫晶玉，又名鱼脑冻；江苏东海县山民发现水晶会 �?窜火�?�?，于是给它起个放光石的俗名。世间一物多名，不足为奇，而像水晶拥有这么多的别称，实不多见。瞧，从水玉、水碧、白玉、玉瑛、水精石英、黎难、晶玉到菩萨石、马牙石、眼镜石、放光石、千年冰、高山冻、鱼脑冻等等，简直构成一部奇石鉴赏史。
水晶原石观赏石充分体现了天然水晶的本质，经过抛光的水晶原石观赏石，玲珑剔透、晶莹璀璨，独具匠心的设计，恰到好处地显露出水晶的魅力。如果您想单纯的欣赏水晶，水晶原石观赏石是你的不二之选，给人一种返璞归真的感觉。
A simple notion in crystal structures may be the unit cell. It's the smallest unit of volume that permits similar cells to get stacked with each other to fill all space. By repeating the pattern of the device cell over and over in all Instructions, your complete crystal lattice may be manufactured. A cube is The best example of a device mobile. Two other illustrations are proven in Figure one. The very first would be the unit mobile for any face-centred cubic lattice, and the 2nd is for your human body-centred cubic lattice. These buildings are discussed in the next paragraphs.
③次生包裹体：指主体水晶形成后，由于环境的变化使得主晶周围的一些物质沿裂隙进入到其内部而形成的包裹体。形成的原因有出熔作用、裂隙的结晶化、以及放射性元素破坏的作用等。水晶典型的次生包裹体有胶花水晶中的氧化铁充填物等。
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。
无色水晶与无色长石因折射率和密度十分接近故较难区分。主要方法是放大检查。长石有两组极完全解理，显微镜下可见两组解理相交而成的“娱蛤状”包裹体或细直的纹理，而水晶则无解理发育，仅有时可见断续不规则的裂理。
Include to word checklist Increase to get more info term record [ C/U ] clear rock that looks like ice, or maybe a bit of it
26Some of the best drinking Eyeglasses are produced from guide crystal.一些最精致的酒杯是用铅晶质玻璃制成的。《柯林斯英汉双解大词典》
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。
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. The next layer is shaded in the determine. It has precisely the same aircraft-triangular composition; the atoms sit during the holes formed by the primary layer. The 1st layer has two equal sets of holes, though the atoms of the next layer can occupy only one set. The 3rd layer, labeled C
Crystal Lattices You will discover seven methods of crystal constructions, that happen to be also called lattices or Place lattices:
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。
Tetragonal �?Characterized by a few mutually perpendicular axes, two of that happen to be equal in size, though the 3rd is extended or shorter and perpendicular to one other two.