The 5-Second Trick For Crystal
The 5-Second Trick For Crystal
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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。
12He attempted again in various other cities and succeeded with Crystal Caramels.他又在其他几个城市再次尝试，并成功制出了水晶焦糖。
A essential thought in crystal constructions would be the unit mobile. It is the smallest device of volume that permits identical cells to get stacked together to fill all House. By repeating the pattern in the unit cell again and again in all Instructions, the entire crystal lattice might be constructed. A cube is The best example of a device mobile. Two other examples are demonstrated in Determine one. The very first would be the device mobile for any deal with-centred cubic lattice, and the next is for just a human body-centred cubic lattice. These constructions are defined in the next paragraphs.
Fig. seven: A template-directed method can Handle The position of setting up blocks over a area while in the development of complex structures.
How Crystals Sort The entire process of forming a crystal is named crystallization. Crystallization usually takes place when a good crystal grows from a liquid or Alternative.
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。
对任何宝石来说，颜色都是非常重要的，水晶也不例外。如果是水晶晶体是有颜色的，如粉水晶、黄水晶、紫水晶等，其颜色评价的最高标准则是明艳动人，不带有灰色、黑色、褐色等其他色调。如粉水晶，颜色以粉红为佳；紫水晶，要求颜色为鲜紫，纯净不发黑；黄水晶，要求颜色不含绿色、柠檬色调，以金橘色为佳。对于发晶来说，晶体的颜色也是很重要的。相同发丝的金发晶，晶体完全无色（白水晶）和晶体略偏茶色，肉眼的视觉观感也是有差别的，所以前者的价格会高于后者。
26Some of the best consuming glasses are constructed 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》
A lot of crystals behave like butter in that they are tough at small temperatures but comfortable at bigger temperatures. They're known as solids in any respect temperatures below their melting stage. A possible definition of a reliable is definitely an item that retains its form if left undisturbed. The pertinent situation is how much time the item keeps its form. A very viscous fluid retains its condition for one hour but not a calendar year. A here stable have to hold its condition more time than that.
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。
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。
Molecular Crystals: Overall molecules are bonded to each other within an organized method. A great illustration is a sugar crystal, which consists of sucrose molecules.
⑦双色水晶：一种紫色和黄色共存一体的水晶，紫色、黄色之间界限较明显，分别占据晶块的一部分。
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