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 tried using once again in numerous 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。
4Without a crystal ball, It is really unattainable to say the place we will be future 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》
If you wish to see how crystals are shaped, you may perform a little project inside your really individual kitchen and see the formation from the crystals happen using your own eyes . This can be carried out by putting a little number of table salt into some normal tap h2o, hold out 24 hours, and you may see awesome cubed formations. This transpires because the drinking water is evaporating, which leads to the atoms that make up the salt (the mineral) as well as drinking water to return closer together.
You will find numerous crystals depending on geometric constructions, crystal growth, and product. There could be preparations of hexagonal carbon atoms or amethyst which makes hexagonal pyramid structures.
结晶�?When sea h2o is permitted to evaporate, salt crystals are deposited. 海水蒸发后，盐的结晶体就沉淀下来。
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1A crystal chandelier lit the place.一盏水晶吊灯照亮了房间。《柯林斯英汉双解大词典》
Numerous crystals behave like butter in that they're tough at low temperatures but delicate at higher temperatures. These are identified as solids in the slightest degree temperatures under their melting issue. A attainable definition of a reliable is definitely an item that retains its condition if left undisturbed. The pertinent concern is just how long the thing retains its form. A really viscous fluid retains its condition for an hour or so although not a year. A reliable ought to continue to keep its condition lengthier than that.
crystal The recently crystallized quartz grains are characterized by elongate crystals oriented oblique to the shear band margins, defining a normal grain-shape foliation. 来自 Cambridge English Corpus We are saying the chain topology within the large w region functions because the proverbial ' scratch-on-theglass ' needed while in the organic and natural chemistry laboratory to generate crystals. 来自 Cambridge English Corpus The age scatter among the individual crystals may mirror incorporation of xenocrysts from before magmatic pulses or protoliths. 来自 Cambridge English Corpus The clinopyroxene types neutral to pale brown, subhedral to anhedral crystals, sometimes that contains inclusions of plagioclase microlaths and opaque phases.
. The 2nd layer is shaded during the figure. It's precisely the same aircraft-triangular structure; the atoms sit within the holes formed by the primary layer. The primary layer has two equivalent sets of holes, though the atoms of the next layer can occupy website only one established. The third layer, labeled C
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。
水晶饰品越来越受到人们的喜爱。中国、日本、韩国、美国等国家的人们还对水晶球情有独钟，喜欢将它们摆在家里或办公室里，认为水晶球有灵性，能保平安，带来财运。不过天然水晶不像看起来那么晶莹剔透，它也有瑕疵，我们在选购饰品的时候要注意。此外，我们还要掌握水晶的评价依据、选购方法，这样可以帮助我们在琳琅满目的水晶饰品中选到心仪的水晶。
⑥白色的包裹体有蚀变的绿泥石、云母、愈合裂隙、水晶、方解石、透闪石等。