Crystal Secrets
Crystal Secrets
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8Where do 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？
①压电效�?在机械力(压力或拉�?作用下，水晶单晶体的两端会产生电荷，其电量相等但符号相反。在工业上，无色、无缺陷、不具双晶的水晶常被用来作压电石英片。
结晶的形状非常细小，需要用显微镜才能看得清楚，外观上看起来是平滑、块状。常见最多的是各式玛瑙
看原料：选料精良的水晶制品，应看不到胶口及棉絮；质地纯净、光润、晶莹为好。
You will discover numerous crystals determined by geometric structures, crystal growth, and product. There may be preparations of hexagonal carbon atoms or amethyst which makes hexagonal pyramid buildings.
Monoclinic �?Characterized by a few unequal axes, two of which intersect at an oblique angle, although the third is perpendicular towards the aircraft of one other two.
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。
发晶：无色、浅黄、浅褐等，可因含金红石常呈金黄、褐红等色，含电气石常呈灰黑色；含阳起石而呈灰绿色。
Crystals are frequently viewed as anything of enormous elegance, and so they are commonly employed with diamonds or other stones to create pieces of jewelry. Virtually all crystals now are male-produced in laboratories.
颜色：无色，浅至深的紫色，浅黄、中至深黄色，浅至深褐、棕色，绿至黄绿色，浅至中粉红。
The essential units of solids are either atoms or atoms that have combined into molecules. The electrons of an atom move in orbits that type a shell framework within the nucleus. The shells are filled in a scientific purchase, with Every single shell accommodating only a little number of electrons. Diverse atoms have different figures of electrons, which are dispersed in a very attribute electronic composition of filled and partially filled shells.
The arrangement of an atom’s electrons decides its chemical Houses. The Qualities of solids are frequently predictable in the properties in their constituent atoms and molecules, and the several shell buildings of atoms are thus responsible for the variety of solids.
crystal, any sound substance during which the part atoms are organized in a very definite pattern and whose surface regularity displays its inner symmetry.
crystal Alteration is variable: get more info absent in lots of crystals, in Some others manufacturing dense sericite aggregates which may show some recrystallization consequences to generate coarser-grained white mica. From the Cambridge English Corpus The tridymite crystals are rectangular or wedge-formed and are occasionally organized in aggregates. From your Cambridge English Corpus Moreover, haloarchaeal cells were embedded in just salt crystals below laboratory disorders and subsequently analysed by mild microscopy. Through the Cambridge English Corpus The white clouds (generally sparse) were also commonly considered to be getting composed of little crystals of water ice, fairly like cirrus inside our atmosphere. Through the Cambridge English Corpus They are really found in evaporite salt lakes and will be trapped in salt crystals throughout evaporation. From your Cambridge English Corpus Consequently, the cells (organelles and membranes) are destroyed mechanically by ice crystals, leading to Loss of life by means of cell lysis. Through the Cambridge English Corpus The crystals were being Employed in the initial or 2nd orders of reflection. From the Cambridge English Corpus Inside our 8xperiments, the crystals ended up cubes having a foundation place of eight e mm. Within the Cambridge English Corpus Vibration-assisted intermolecular hydrogen tunneling in photoreactive doped molecular crystals : influence of temperature and force.