Facts About Crystal Revealed

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。

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。

10This will be the silicon chip—a little bit chip of silicon crystal.这是硅芯片——一个硅晶体的小芯片。

水碧:《山海经》中,水晶又被称作水碧: �?又南三百里,日耿山,无草木,多水碧 �?,郭璞注�?�?亦水玉类 ”。这种称谓常被文人所引用,晋代郭景纯《璞江赋》道�?�?鬼,水碧�?�?。水晶又有人称它叫玉瑛。《符瑞图》载�?美石似玉,水精谓之玉瑛也�?”

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

第二种是“半包裹体”,在水晶结晶以后,由于受到地球引力的影响而产生的裂隙,晶体外的一些物质通过水晶的裂隙渗透到水晶内部,一部分包裹于水晶之中另一部分露于水晶之外。我们可以看到物质渗进水晶的裂迹,常被称为“通道”,这种包裹体所形成的景象相对地较受自然环境和时间的影响,相应的价值也比较�?。

30Three days went earlier, and I had been stunned to find out it yet again: each of the openings ended up sewed up by thin and white thread plus they looked similar to the ice crystal on winter's branches in the north.

You will find a equivalent directive about crystal glass which differentiates between full lead crystal, lead crystal and crystal.

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�?。

Solids which have shorter-variety purchase but absence very long-vary buy are identified as amorphous. Almost any content could be created amorphous by swift solidification within the melt (molten state). This affliction is unstable, plus the good will crystallize in time. In case the timescale for crystallization is yrs, then the amorphous point out appears steady.

There are 2 these attainable periodic preparations. In Every, the primary layer has the atoms packed right into a airplane-triangular lattice in which each and every atom has 6 speedy neighbours. Determine two reveals this arrangement for the atoms labeled A

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。

⑤、打孔:是在水晶成品未完成前,根据其所需打孔之尺寸及位置,以钻头加工,如制表件、笔筒、瓶孔等。

A further kind of crystalline carbon relies on a molecule with 60 carbon atoms referred to as buckminsterfullerene (C60). The molecular form is spherical. Each individual click here carbon is bonded to three neighbours, as in graphite, plus the spherical form is achieved by a mixture of twelve rings with 5 sides and twenty rings with 6 sides. Very similar constructions have been to start with visualized with the American architect R. Buckminster Fuller for geodesic domes.

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