5 Simple Statements About Crystal Explained
5 Simple Statements About Crystal Explained
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27Local economists have appeared into their crystal balls and found a little 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》
Bismuth (Bi) appears to generally be a metal, but the number of electrons accessible for electrical conduction is similar to that of semiconductors. In fact, bismuth is named a semimetal. Molecular solids are generally crystals fashioned from molecules or polymers. They can be insulating, semiconducting, or metallic, depending on the sort of molecules in the crystal. New molecules are continually being synthesized, and many are created into crystals. The amount of different crystals is gigantic.
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
Fig. 3: A library of lattice symmetries can be accessed by altering the particle Main and DNA shell.
. These four constructions comprise almost all of the binary crystals with equivalent figures of cations and anions.
发晶，包括钛晶，铜顺发，绿发晶，黑发晶，银发晶，杂色发晶，其中钛晶最珍贵，少数钛晶价值可比钻石，红宝石和蓝宝石以及祖母绿。
Crystals look exceptional from all kinds of other rocks and minerals, but �?barring several Exclusive instances �?almost all minerals disguise a crystalline composition beneath the floor.
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24I get more info need to make my this means crystal clear.我想把我的意思解释得清清楚楚。《牛津词典》
22Working from what The united states by now appreciates about itself, the bureau's experts and various demographers supply an irresistible, if clouded, crystal ball among their visions.
看孔眼：对于缀穿水晶制品（如项链、手链、佛珠），要看孔眼是否平直，孔的粗细是否均匀，有无细小裂纹。孔壁必须清澈透明，无“白痕”。
Crystallography is definitely the review of crystals, and it offers with almost everything from ideal geometric designs to seemingly random conglomerations of particles and minerals.
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�?�?。
矿物成分：针铁矿、赤铁矿、金红石、磁铁矿、电气石、石榴石、云母、绿泥石等形成了包裹体水晶，如发晶、钛晶、绿幽灵等，发晶中则含有肉眼可见的似头发状的针状矿物的包裹体形成。含锰和铁者称紫水晶；含铁�?；呈金黄色或柠檬�?)称黄水晶；含锰和钛呈玫瑰色者称蔷薇石英，即粉水晶；烟色者称烟水晶；褐色者称茶晶；黑色透明者称为墨晶。