Crystal for Dummies

对这类水晶晶簇观赏石的欣赏与评价,主要是强调晶体的完整、品种的名贵(如紫水晶、烟晶、发晶等)、造型奇特、含有名贵晶体(如辰砂、辉锑矿等)伴生等。晶簇产于矿床晶洞中,长相完美的并不多见,要完整无损地采集下来,又比较困难,故而采集起来代价较大,精品晶簇价值也就昂贵了。

A further fun, and delicious, experiment will be to form huge crystals using sugar. By heating sugar with water and afterwards permitting this Option evaporate on sticks, you may form rock candy from sugar crystals!

4Without a crystal ball, It really is extremely hard to state where by we'll be subsequent yr.不用水晶球预卜未来,我们说不准明年处境如何呀。《牛津词典》

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。

You'll find many various crystals dependant upon geometric buildings, crystal progress, and materials. There might be arrangements of hexagonal carbon atoms or amethyst which makes hexagonal pyramid constructions.

They can inevitably produce a great minor uniform cluster of atoms, this is the process of expanding crystals. The greater they Crystal will appear alongside one another, the greater of the development will be seen towards the bare eye. Researchers can decide what mineral they are checking out by how the crystals sort.

时尚的收藏爱好者喜欢收藏天然水晶,却常常因为在市场上面对大量的合成水晶看走了眼。市面上的水晶:

1A crystal chandelier lit the place.一盏水晶吊灯照亮了房间。《柯林斯英汉双解大词典》

Cite When every single energy is manufactured to follow citation style guidelines, there may be some discrepancies. Make sure you check with the suitable type manual or other sources When you have any concerns. Pick out Citation Style

⑤化学稳定�?非常好,在常温下仅溶解于氢氟酸,不溶解于其它各类酸、碱。在高温高压条件下可溶解于碳酸钠溶液中。

say cheese a thing that somebody who is having a photograph of you lets you know to mention so that your mouth would make The form of the smile

水晶形成后由于外力作用或某种人为原因使水晶产生大的裂隙或裂纹,这种裂纹有大有小,对水晶的影响也有大小之分。

水玉:中国最古老的称法叫水玉,意谓似水之玉,又说是 �?千年之冰所�?�?。唐代诗人温庭筠《题李处士幽居》写道:�?水玉簪头白角巾,瑶琴寂历拂轻�?”。水玉一词最早频繁出于《山海经》:�?又东三百里,日堂庭之�?…�?多水�?”;�?丹山出焉,东南流注于洛水,其中多水玉 ”;�?逐水出焉,北流注于渭,其中多水玉 ”。司马相如《上林赋》曰�?�?水玉磊河 �?。水晶得名水玉,古人是看�?�?其莹如水,其坚如�?�?的质地。

⑥白色的包裹体有蚀变的绿泥石、云母、愈合裂隙、水晶、方解石、透闪石等。

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