Crystal for Dummies

Crystal for Dummies

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8Where will we get this magic wand and crystal ball?我们到哪里获得这种魔棒和水晶玻璃球？

⒉棉、云雾或渣状包裹体、杂质在透明水晶内部有雾蒙蒙的现象或是感觉里面像有棉絮状、渣状物质一样的包裹体，这些包裹体的存在，影响水晶的整体美观。还有的水晶内局部含有黑斑或其他颜色的斑状物质，与水晶整体不协调，被视为水晶的杂质，有这种杂质的水晶是次品。

4Without a crystal ball, It really is impossible to mention wherever we are going to be subsequent calendar year.不用水晶球预卜未来，我们说不准明年处境如何呀。《牛津词典》

Tetragonal: These crystals type prisms and double pyramids. The composition is like a cubic crystal, besides 1 axis is for a longer period than another.

2She was donning a strand of crystal beads.她戴着一串水晶珠子。《柯林斯英汉双解大词典》

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。

Crystals appear exceptional from a number of other rocks and minerals, but �?barring several Particular scenarios �?almost all minerals hide a crystalline structure underneath the area.

损伤是指水晶由于加工或不小心摔掉、碰撞等原因，人为造成的损坏。它可以是破口，也可以是凹坑等。

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⑤化学稳定�?非常好，在常温下仅溶解于氢氟酸，不溶解于其它各类酸、碱。在高温高压条件下可溶解于碳酸钠溶液中。

. The second layer is shaded while in the determine. It's a similar plane-triangular construction; the atoms sit from the website holes shaped by the primary layer. The first layer has two equal sets of holes, though the atoms of the next layer can occupy just one set. The third layer, labeled C

Molecular Crystals: Total molecules are bonded to each other within an arranged fashion. A fantastic illustration is really a sugar crystal, which incorporates sucrose molecules.

⑤、打孔：是在水晶成品未完成前，根据其所需打孔之尺寸及位置，以钻头加工，如制表件、笔筒、瓶孔等。

The C60 molecules, also called buckyballs, are really potent and Practically incompressible. Crystals are fashioned such that the balls are organized within an fcc lattice with a one particular-nanometre spacing involving the centres of adjacent balls. The comparable C70 molecule has the shape of the rugby ball; C70 molecules also variety an fcc crystal when stacked collectively. The good fullerenes type molecular crystals, with weak binding—supplied by van der Waals interactions—involving the molecules.