NOT KNOWN FACTUAL STATEMENTS ABOUT CRYSTAL

Not known Factual Statements About Crystal

Not known Factual Statements About Crystal

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17These rings are indicative with the crystal composition of nickel and can be described only by invoking wavelike Attributes of light.这些光圈表明了了镍的晶体结构,而且只能通过光线中波的特征来解释。

Yet another enjoyment, and tasty, experiment is to sort massive crystals employing sugar. By heating sugar with water after which permitting this Alternative evaporate on sticks, you can type rock candy from sugar crystals!

一般而言,紫晶和黄晶是水晶中价值较高的品种。两者进一步的分级是据其颜色的深浅,颜色较深的为A级,稍浅的为B级。一般颜色较深的价格高,但要以不深暗为标准。颜色包括两种,一种是水晶本身的颜色,另一种是内部包裹体的颜色。水晶本身的颜色要艳丽、纯正,分布要均匀,不能太深或太浅,如澳州玉、蓝玉髓、紫晶、黄水晶,其价格就高。无色的水晶内含包裹体的颜色艳丽,其价格也高,如钛晶、绿幽灵、红兔毛。紫水晶一般以稍有云状物、颜色深紫、晶体通透的为上品。

Massive crystals of diamond are valuable gemstones. The crystal has other exciting Houses; it's the best sound velocity of any sound and is the best conductor of warmth. Other than diamond, the opposite prevalent form of carbon is graphite, that's a layered product. Each and every carbon atom has 3 coplanar close to neighbours, forming an arrangement known as the honeycomb lattice. 3-dimensional graphite crystals are acquired by stacking related levels.

There's also quite a few resources that resemble crystals but are actually polycrystals. Polycrystals form when microscopic crystals fuse with each other to variety a good. These elements tend not to include ordered lattices.

These examples are from corpora and from sources on the net. Any thoughts within the examples never signify the opinion of your Cambridge Dictionary editors or of Cambridge College Press or its licensors.

Include to term list Add to term listing [ C/U ] clear rock that appears like ice, or simply a bit of it

The elements are found in a number of crystal packing arrangements. The most common lattice buildings for metals are Those people obtained by stacking the atomic spheres into probably the most compact arrangement.

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�?。

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用手去触摸水晶,天然水晶通常温度要比人造水晶的要凉的多;用眼观察,天然水晶通常有棉絮状的包裹体,这个是人造水晶所没有的。

The sodium chloride crystal lattice is characterised through the near packing from the optimistic sodium ions and damaging chloride ions. Each individual sodium ion is surrounded by 6 chloride ions, and every chloride ion is surrounded by six sodium ions, creating a very stable and symmetrical composition.

《古今小说·李公子救蛇获称心》:“器皿皆是玻璃、水晶、琥珀、玛瑙为之,曲尽巧妙,非人间所有。”

SMART Vocabulary: similar text and phrases Geology: mineralogy beneficiation crystalline deposit gemologist gemology gold dust graphite idiomorphic intercrystalline like gold dust idiom magnesium mineral nugget pyrite quasicrystal seam silicon unmined vermiculite vulcanicity See a lot more results » check here It's also possible to find relevant words and phrases, phrases, and synonyms from the topics:

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