Crystal for Dummies
Crystal for Dummies
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看颜色：即使在同一种类的水晶中，它的不同部位的纹理、色泽也各式各有千秋。属于单色的，要色度均匀；在同一块水晶上有深浅的，则要求其色调纹路美观大方。
A elementary strategy in crystal constructions would be the device mobile. It is the smallest unit of quantity that allows similar cells for being organized alongside one another to occupy all obtainable Room. The geometrical foundation of all crystals could be the lattice. A lattice is usually seen as an everyday and infinite arrangement of points or atoms, exactly where Each and every position or atom has The same surrounding atmosphere.
对水晶进行评价主要依据其颜色、透明度、大小、净度、特殊图案及是否有光学效应等方面。以颜色纯正，浓度较高，内部无瑕为好。种类上紫晶最贵，其次为黄晶、烟晶、无色水晶和芙蓉石。有特殊光学效应的水晶的价格更高。
Tetragonal: These crystals kind prisms and double pyramids. The composition is like a cubic crystal, besides one axis is longer than another.
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。
你们都知道，拿起一个水晶棱镜，让一束阳光通过它，就会得到一个光谱，看起来就像一条连续的彩虹色带。
⑦、镀彩：运用类似电镀的手法在水晶表面以不同的色彩，层面较薄，经摩擦可划伤�?；出现划痕，由于镀彩经常位于底部，因此在镀彩底部经常采用其它对象附着，如生肖文镇。
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本词条由中国科学院大学地球与行星科学学院、中国科学院地质与地球物理研究所 参与编辑并审核，经科普中国·科学百科认�?。
幽灵水晶，分绿幽灵，红幽灵，白幽灵等，主要组成为绿泥石，其中绿幽灵属于珍贵品种。
There's two this sort of possible periodic preparations. In Just about every, the 1st layer has the atoms packed into a airplane-triangular lattice in which every atom has six instant neighbours. Determine two exhibits more info this arrangement for that atoms labeled A
隐晶类水晶外观是一块块的，不是成六角水晶簇状，但他们却也是属六方晶系的。但我们不能以肉眼观察到他们的六角形结晶，因为结晶的体积极为细小，需以显微镜协助下才能看到六角开结晶。而此类水晶非常平滑，因为结晶之间有“水化硅石”填补，玛瑙便属于此类。
《古今小说·李公子救蛇获称心》：“器皿皆是玻璃、水晶、琥珀、玛瑙为之，曲尽巧妙，非人间所有。”
The C60 molecules, also referred to as buckyballs, are rather sturdy and Just about incompressible. Crystals are fashioned these kinds of which the balls are arranged in an fcc lattice having a a single-nanometre spacing concerning the centres of adjacent balls. The similar C70 molecule has the shape of the rugby ball; C70 molecules also sort an fcc crystal when stacked with each other. The solid fullerenes form molecular crystals, with weak binding—provided by van der Waals interactions—concerning the molecules.