Crystal Things To Know Before You Buy

Crystal Things To Know Before You Buy

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17These rings are indicative in the crystal composition of nickel and can be described only by invoking wavelike properties of light.这些光圈表明了了镍的晶体结构，而且只能通过光线中波的特征来解释。

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。

10This will be the silicon chip—slightly chip of silicon crystal.这是硅芯片——一个硅晶体的小芯片。

第一种是“全包裹体”，在水晶结晶的时候把这些物质包裹在晶体里面，这类包裹体所形成的各种景象，大多保持了水晶结晶时的原状，也就是说保存了几亿年的原状，极少受到自然环境的影响。

Crystalline framework is characterised by a geometrical, repeating sample of symmetric molecular structure. The arrangement of atoms varieties these requested, repeating styles.

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。

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。

There is a similar directive about crystal glass which differentiates concerning entire lead crystal, lead crystal and crystal.

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晶体 Silicon crystals grown in a very laboratory transform mild into electrical Vitality. 在实验室中长成的硅晶体可将光线转变为电能。

地质学家目前为止对晶洞形成还没有广泛认同的理论，但相信晶洞可以在任何埋藏的空腔内形成。这些空腔可以是火成岩中的气泡、树根下的空穴，甚至动物挖的地洞。经过漫长时间，空腔的外壁变硬，溶解的矽酸盐或方解石沉积到内壁。再经过漫长的时间，缓慢渗入的矿物使得晶体在空腔内部结晶。

Orthorhombic: These are rhombic prisms and dipyramids that resemble tetragons but without the need of square cross-sections.

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Fig. 5: The opportunity to comprehend defined crystal behavior is depending on the symmetry engineering approach.