Facts About Crystal Revealed
Facts About Crystal Revealed
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27Local economists have seemed into their crystal balls and viewed something rather horrible.当地的经济学者们已预测到将会出现棘手的问题。《柯林斯英汉双解大词典》
无色水晶以晶莹美丽、洁净透明着称。衡量无色水晶主要看它的纯度,越纯、越透明越好。干净的、无瑕疵的、杂质少的价值就高。无色的水晶如果很脏,就没有利用价值。
A crystal construction concentrates on how the atoms are organized Within the crystal. Even so, crystallographers are interested in the overall shape and size of the crystal along with its exterior properties. To accomplish this, they need to know about the crystal technique.
Fig. three: A library of lattice symmetries may be accessed by altering the particle Main and DNA shell.
25If you are a Billy Crystal enthusiast, you can expect to enjoy this movie.如果你是比利·克里斯特尔的影迷,你就会喜欢这部电影。《柯林斯英汉双解大词典》
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。
根据包裹体和主晶宝石之间形成的先后关系可将水晶的包裹体划分以下三种类�?
Ionic Crystals: Electrostatic forces type ionic bonds. A typical example is really a halite or salt crystal.
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。
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。
16I opened the box and observed a bit of crystal snowflake plus a greeting card with "Joyful Birthday" inside the blank paper.我打开盒子并看见在白纸中有一片水晶雪花和一张写着“生日快乐”的贺卡。
The sodium chloride crystal lattice is characterised via the shut packing from the optimistic sodium ions and adverse chloride ions. Every sodium ion is surrounded by 6 chloride ions, and every chloride ion is surrounded by 6 sodium ions, creating a remarkably stable and symmetrical framework.
水玉:中国最古老的称法叫水玉,意谓似水之玉,又说是 �?千年之冰所�?�?。唐代诗人温庭筠《题李处士幽居》写道:�?水玉簪头白角巾,瑶琴寂历拂轻�?”。水玉一词最早频繁出于《山海经》:�?又东三百里,日堂庭之�?…�?多水�?”;�?丹山出焉,东南流注于洛水,其中多水玉 ”;�?逐水出焉,北流注于渭,其中多水玉 ”。司马相如《上林赋》曰�?�?水玉磊河 �?。水晶得名水玉,古人是看�?�?其莹如水,其坚如�?�?的质地。
Clever Vocabulary: related text and phrases Geology: mineralogy beneficiation crystalline deposit gemologist gemology gold dust graphite idiomorphic intercrystalline like gold Crystal dust idiom magnesium mineral nugget pyrite quasicrystal seam silicon unmined vermiculite vulcanicity See far more results » You can even find related terms, phrases, and synonyms inside the subject areas: