The best Side of Crystal
The best Side of Crystal
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17These rings are indicative in the crystal framework of nickel and may 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。
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景观水晶，就是包裹体组成各种造型特异的水晶，有的似山水，有的似人物，有些像文字，有些像动物，植物，器物等等。
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 characterized by a geometrical, repeating sample of symmetric molecular framework. The arrangement of atoms varieties these requested, repeating patterns.
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。
解理：无解理。所谓解理是指矿物被打击时，沿一定方向有规则地裂开形成光滑平面的性质。根据解理的程度可以分为五类：极完全解理、完全解理、中等解理、不完全解理和无解理，水晶属于无解理。
如果水晶内部杂质中有传说中人物的造型，如佛、星座、生肖等价值可能要高于同等颜色和净度的水晶。
仿制钛晶树水晶：钛晶是水晶里价格最昂贵的，造假者当然也不会放过这么好的产品。天然的环境下，在水晶里能生长个像树一样的钛晶，完全是可能的，只是这样的货很少，那我们的造假专家是如何做的呢，白水晶底下打个洞，激光打点成板状的钛晶进去，就这样这块水晶的身价就能飙升几十倍。往往有的钛晶戒面，会采用将钛晶部位割成板状，与圆面的水晶粘合的方法来制作。
A crystal system refers back to the classification of crystals depending on the geometric arrangement and symmetry of their lattice buildings. You will discover seven key crystal programs:
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There are only a few unique unit-cell shapes, so numerous crystals share only one device-mobile kind. A significant attribute of a unit mobile is the amount of atoms it has. The full number of atoms in your entire crystal is the number in Each and every cell multiplied by the volume of unit cells. Copper and aluminum (Al) Every single have one particular atom for each unit cell, though zinc (Zn) and sodium chloride have two. Most crystals have only a few atoms for every unit cell, but there are some exceptions. Crystals of polymers, for example, have A huge number of atoms in Just about every device mobile.
Crystals are categorized usually types, including insulators, metals, semiconductors, and molecular solids. Only one crystal of an insulator is frequently transparent and resembles a piece of glass. Metals are shiny Until they've rusted. Semiconductors are sometimes shiny and from time to time clear but are never ever rusty. Quite a few crystals might be categorized as an individual style of stable, while others have intermediate behaviour. Cadmium sulfide (CdS) might be well prepared in pure kind and is a read more superb insulator; when impurities are added to cadmium sulfide, it will become an interesting semiconductor.
Another type of crystalline carbon is predicated on the molecule with sixty carbon atoms referred to as buckminsterfullerene (C60). The molecular condition is spherical. Each carbon is bonded to three neighbours, as in graphite, along with the spherical condition is attained by a mixture of twelve rings with five sides and twenty rings with 6 sides. Related constructions have been to start with visualized by the American architect R. Buckminster Fuller for geodesic domes.