NOT KNOWN FACTUAL STATEMENTS ABOUT CRYSTAL

Not known Factual Statements About Crystal

Not known Factual Statements About Crystal

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This concept applies Similarly in a single, two, and 3-dimensional Areas. The complete crystal lattice might be manufactured by consistently reproducing the pattern from the unit mobile in all Instructions.

12He tried using all over again in various other metropolitan areas 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。

A crystal structure concentrates on how the atoms are arranged In the crystal. However, crystallographers have an interest in the general shape and size with the crystal and also its exterior attributes. To perform this, they should learn about the crystal technique.

Fig. 7: A template-directed method can Regulate The position of making blocks on the surface within the development of intricate constructions.

There are actually a number of crystals based on geometric constructions, crystal progress, and content. There could be arrangements of hexagonal carbon atoms or amethyst that makes hexagonal pyramid structures.

当二氧化硅结晶完美时就是水晶;结晶不完美的就是石英:二氧化硅胶化脱水后就是玛瑙;二氧化硅含水的胶体凝固后就成为蛋白石;二氧化硅晶粒小于几微米时,就组成玉髓、燧石、次生石英岩。

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�?

26Some of the best consuming glasses are made out of 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》

24I intend to make my indicating Crystal crystal distinct.我想把我的意思解释得清清楚楚。《牛津词典》

多色�?无色水晶没有多色性。有色水晶有弱到强的多色�?表现为体色的不同深浅。

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”。

国家还并未给天然水晶提供一个等级划分的具体标准,水晶品种繁杂,每一品种都有他不同的评判标准。

crystal, any strong materials wherein the ingredient atoms are arranged inside a definite sample and whose surface regularity demonstrates its inside symmetry.

Binary crystals are present in lots of structures. Some pairs of components sort more than one framework. At room temperature, cadmium sulfide could crystallize both from the zinc blende or wurtzite composition. Alumina also has two achievable buildings at place temperature, α-alumina (corundum) and β-alumina. Other binary crystals show various buildings at distinct temperatures. Among the most intricate crystals are those of silicon dioxide (SiO2), that has 7 different buildings at many temperatures and pressures; the most common of such structures is quartz.

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