Not known Details About Crystal

其它描述:《庶物异名疏》中说: �?水精出大秦国,一名黎�?�?。结晶完整的水晶晶体,就如参差交错的马齿,所以人们又叫它马牙石。先民们最早用它研磨成眼镜片,因而送它一个眼镜石的绰号。水晶有通称,也有俗称。广州一带称水晶叫晶玉,又名鱼脑冻;江苏东海县山民发现水晶会 �?窜火�?�?,于是给它起个放光石的俗名。世间一物多名,不足为奇,而像水晶拥有这么多的别称,实不多见。瞧,从水玉、水碧、白玉、玉瑛、水精石英、黎难、晶玉到菩萨石、马牙石、眼镜石、放光石、千年冰、高山冻、鱼脑冻等等,简直构成一部奇石鉴赏史。

the reliable point out of many uncomplicated substances, that have a regular condition and surfaces organized in very similar patterns

A basic concept in crystal buildings may be the unit cell. It's the smallest unit of volume that allows equivalent cells being stacked together to fill all Area. By repeating the pattern with the device mobile again and again in all directions, your entire crystal lattice is usually made. A cube is The only illustration of a device cell. Two other illustrations are proven in Determine one. The very first is the device mobile for your deal with-centred cubic lattice, and the next is for a overall body-centred cubic lattice. These structures are discussed in the next paragraphs.

诗中道出一段唐代由盛变衰的史实。玄宗末年,杨贵妃得宠,三姐妹并封为国夫人。他们养尊处优,奢华至极,仆人用水晶盘将珍馐佳肴端到宴席上,美人觉得没有口味,懒得动筷子。作为“诗圣”作为“史诗”,紫驼一段写饮食之精美,不空发议论,只尽情揭露事实,无一刺讥语,无一慨叹声,却使人于以外得之:此诗之善讽也。以史为鉴,这样的世道,这样的人物,国家不出“安史之乱”那样的大祸反倒不正常了。

水胆水晶,包括气态,液态,固态,有时候可以同时多态并存,无色居多,个别情况下可见红色,绿色,黄色,蓝色,黑色等。

Monoclinic �?Characterized by a few unequal axes, two of which intersect at an oblique angle, while the 3rd is perpendicular towards the airplane of one other two.

30Three days went earlier, and I had been astonished to view it all over again: the many openings were sewed up by slim and white thread plus they appeared similar to the ice crystal on winter's branches from the north.

Crystals are practically nothing over an purchased arrangement of molecules or atoms. Crystals are available many different shapes and sizes, and every one has various features. What they are made of establishes how it is going to type.

水晶是有成色等级之分,影响水晶价位的因素很多,不像钻石以4C就可以判定,所以大家要多听多看多比较才能真正辨别出来。一般的标准是水晶石越大越好,越透越好,颜色越娇嫩越好,形状越典型越好。不过最重要还是自己喜欢,而选购时辨识真伪的方法大致有下列几种:

[ C/U ] transparent website glass of top of the range, typically with its surface Slash into styles that replicate light

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”。

The sodium chloride crystal lattice is characterized from the close packing in the constructive sodium ions and negative chloride ions. Each sodium ion is surrounded by 6 chloride ions, and every chloride ion is surrounded by 6 sodium ions, making a extremely steady and symmetrical framework.

《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。”

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