About Crystal
About Crystal
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A strong is crystalline if it has extended-assortment purchase. Once the positions of an atom and its neighbours are regarded at one level, the put of each atom is thought exactly through the crystal. Most liquids deficiency very long-assortment order, although a lot of have brief-selection purchase. Short array is outlined as the initial- or next-closest neighbours of an atom. In many liquids the main-neighbour atoms are organized in the exact same structure as during the corresponding reliable period.
23Sometimes, nevertheless, the crystal form of the silicate inclusions is noticed to resemble extra intently The interior construction of diamond than that of other silicate minerals.然而，有时观察到硅酸盐包裹体的晶体形态比其他硅酸盐矿物更接近金刚石的内部结构。
4Without a crystal ball, It truly is difficult to convey where we are going to be up coming 12 months.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》
The purchased internal construction of large crystals, much like the fluorite and quartz revealed in this article, is mirrored of their geometric styles.
Additionally, there are a lot of resources that resemble crystals but are actually polycrystals. Polycrystals sort when microscopic crystals fuse with each other to kind a stable. These components usually do not consist of ordered lattices.
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1A crystal chandelier lit the room.一盏水晶吊灯照亮了房间。《柯林斯英汉双解大词典》
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�?。
The definition of a stable seems evident; a strong is mostly considered becoming tricky and agency. On inspection, nevertheless, the definition will become considerably less easy. A dice of butter, by way of example, is difficult right after being stored in a fridge and is clearly a reliable. Just after remaining over the kitchen area counter for on a daily basis, the exact same cube becomes quite smooth, and it's unclear In case the butter should really nonetheless be thought of a stable.
One crystals of metals are tender and malleable, though polycrystalline metals are more difficult and more powerful and tend to be more practical industrially. Most polycrystalline supplies might be created into big single crystals immediately after prolonged heat treatment method. Up to now blacksmiths would heat a bit of metallic to make it malleable: warmth helps make some grains grow huge by incorporating lesser ones. The smiths would bend the softened metallic into form then pound it awhile; the pounding more info would ensure it is polycrystalline again, raising its toughness.
Crystallography could be the study of crystals, and it bargains with anything from best geometric styles to seemingly random conglomerations of particles and minerals.
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。
水晶观赏石是天然水晶中最具代表的作品，具有其他宝石都不具备的观赏性。不论是玉石翡翠还是都要经过雕琢后次能体现他的价值，而水晶观赏石只需要将表面进行抛光，即展现出晶体内所包裹的物质，直接欣赏原汁原味的水晶石。