27Local economists have appeared into their crystal balls and noticed a little something fairly awful.当地的经济学者们已预测到将会出现棘手的问题。《柯林斯英汉双解大词典》

⒉棉、云雾或渣状包裹体、杂质在透明水晶内部有雾蒙蒙的现象或是感觉里面像有棉絮状、渣状物质一样的包裹体，这些包裹体的存在，影响水晶的整体美观。还有的水晶内局部含有黑斑或其他颜色的斑状物质，与水晶整体不协调，被视为水晶的杂质，有这种杂质的水晶是次品。

晶及其石英岩类玉石是中低档宝玉石，虽比不上钻石、红蓝宝石的高贵，但在加工中如果构思巧妙而且加工精细，同样具有很高的价值。如中国传统的玛瑙“虾盘”、“龙盘”、“水漫金山�?水胆玛瑙摆件)都被誉为国家级宝玉石。

We've created about more than three hundred stones while in the mineral kingdom! Read about Every stone's distinctive origin, background, and energies below.

25If you are a Billy Crystal fan, you are going to like this movie.如果你是比利·克里斯特尔的影迷，你就会喜欢这部电影。《柯林斯英汉双解大词典》

Monoclinic �?Characterized by a few unequal axes, two of which intersect at an oblique angle, when the 3rd is perpendicular to your airplane of the opposite two.

30Three days went earlier, and I used to be surprised to discover it once more: all of the openings were sewed up by slim and white thread and they looked such as ice crystal on winter's branches while in the north.

Ionic Crystals: Electrostatic forces form ionic bonds. A classic case in point is often a halite or salt 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�?。

幽灵水晶，分绿幽灵，红幽灵，白幽灵等，主要组成为绿泥石，其中绿幽灵属于珍贵品种。

15The trick to a great read more thermoelectric material is usually a crystal structure by which electrons can circulation freely.制造一种好的热电材料的关键是，需要一种电子可以自由流动的晶体结构。

Molecular Crystals: Whole molecules are bonded to one another within an organized way. A great case in point is actually a sugar crystal, which incorporates sucrose molecules.

crystal, any good substance wherein the part atoms are arranged within a definite sample and whose surface area regularity demonstrates its inner symmetry.

Good Vocabulary: connected words 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 final results » You may also discover relevant text, phrases, and synonyms during the subjects: