Top latest Five Crystal Urban news

Top latest Five Crystal Urban news

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李商隐，杜牧，白居易，欧阳修，苏轼，呈大昌，辛弃疾，杨万里，吴文英，杨基，魏源等诗坛，词林大家都有歌吟水晶的佳篇传世。

⒉棉、云雾或渣状包裹体、杂质在透明水晶内部有雾蒙蒙的现象或是感觉里面像有棉絮状、渣状物质一样的包裹体，这些包裹体的存在，影响水晶的整体美观。还有的水晶内局部含有黑斑或其他颜色的斑状物质，与水晶整体不协调，被视为水晶的杂质，有这种杂质的水晶是次品。

A primary notion in crystal structures may be the device cell. It is the smallest device of quantity that allows identical cells to become stacked jointly to fill all space. By repeating the pattern with the unit mobile time and again in all directions, the whole crystal lattice is often constructed. A dice is The only example of a unit mobile. Two other illustrations are revealed in Figure 1. The 1st would be the device mobile for any confront-centred cubic lattice, and the next is for your entire body-centred cubic lattice. These constructions are stated in the next paragraphs.

If you need to see how crystals are fashioned, you can perform a little task in the extremely very own kitchen area and find out the development of your crystals occur with your very own eyes . This can be done by putting a small degree of desk salt into some normal faucet h2o, wait around 24 several hours, and you'll see awesome cubed formations. This occurs because the h2o is evaporating, which brings about the atoms which make up the salt (the mineral) as well as water to come closer together.

2She was donning a strand of crystal beads.她戴着一串水晶珠子。《柯林斯英汉双解大词典》

These examples are from corpora and from sources online. Any thoughts from the examples do not signify the opinion with the Cambridge Dictionary editors or of Cambridge College Press or its licensors.

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。

26Some of the best ingesting glasses are made from lead 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》

Metallic Crystals: Metals normally form metallic crystals, where by a number of the valence electrons are no cost to maneuver all through the lattice. Iron, such as, can type various metallic crystals.

A crystal method refers back to the classification of crystals based on the geometric arrangement and symmetry of their lattice constructions. You will find seven key crystal systems:

One crystals of metals are comfortable and malleable, though polycrystalline metals are more difficult and more robust and tend to be more useful industrially. Most polycrystalline supplies may be created into big one crystals immediately Crystal after extended heat treatment method. In past times blacksmiths would warmth a piece of steel to really make it malleable: heat will make a number of grains develop large by incorporating smaller ones. The smiths would bend the softened metallic into condition and afterwards pound it awhile; the pounding would enable it to be polycrystalline yet again, raising its power.

Crystal Lattices There are actually seven techniques of crystal buildings, which are also referred to as lattices or Area lattices:

水精：水晶为何称为水精，《广雅》有巧解：�?水之精灵�?”；李时珍则说：�?莹洁晶光，如水之精英 ”。细加考究，此称还蕴含浓厚的宗教意味呢。水精一名，最初见于佛书，后汉支曜翻译的《具光明定意经》说：�?其所行道，色如水�?�?。

水晶观赏石在形态、质地、内部特征等方面往往十分奇异。大自然有无限风光，都可以在包裹体水晶种找到缩影。