The 5-Second Trick For Crystal
The 5-Second Trick For Crystal
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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。
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发晶的价值取决于发的颜色、罕见性及大小，一般是发色鲜艳、块度大的价格高。水胆水晶的价值主要取决于水胆及晶体的大小、透明度的高低。如果水胆较大并有一定形态，便可加工成较为珍贵的工艺品。另外水胆中的水也有一定的科学研究价值，通过它们可了解几百万年前地球上水的成分及变化。
Fig. 7: A template-directed approach can Management the placement of making blocks on a floor during the development of intricate structures.
2She was carrying a strand of crystal beads.她戴着一串水晶珠子。《柯林斯英汉双解大词典》
Find out how The form from the crystals establish different minerals into familiesMinerals crystallize according to one of 7 motifs, referred to as crystal devices.
对任何宝石来说，颜色都是非常重要的，水晶也不例外。如果是水晶晶体是有颜色的，如粉水晶、黄水晶、紫水晶等，其颜色评价的最高标准则是明艳动人，不带有灰色、黑色、褐色等其他色调。如粉水晶，颜色以粉红为佳；紫水晶，要求颜色为鲜紫，纯净不发黑；黄水晶，要求颜色不含绿色、柠檬色调，以金橘色为佳。对于发晶来说，晶体的颜色也是很重要的。相同发丝的金发晶，晶体完全无色（白水晶）和晶体略偏茶色，肉眼的视觉观感也是有差别的，所以前者的价格会高于后者。
11I diligently opened the bundle and found a crystal bell inside.我小心地打开包裹，发现里面有一个水晶钟。
Among the many binary crystals, the easiest buildings to visualise are All those with equal numbers of The 2 kinds of atoms. The composition of sodium chloride is predicated on a dice. To assemble the lattice, the sodium and chlorine atoms are placed on alternate corners of the dice, and also the framework is repeated (Figure 3B).
颜色：无色，浅至深的紫色，浅黄、中至深黄色，浅至深褐、棕色，绿至黄绿色，浅至中粉红。
Search cryptosporidiosis cryptosporidium cryptozoologist cryptozoology crystal crystal ball crystal apparent idiom crystal lattice BETA copyright #randomImageQuizHook.filename #randomImageQuizHook.isQuiz Take a look at your vocabulary with our pleasurable graphic quizzes
You will find other minerals and molecules that will kind these crystal lattices. Snowflakes really are a vintage example of a roughly symmetric and geometrically get more info patterned composition from ice crystals, and gemstones of all kinds are generally crystals.
⑨、喷砂：立体感弱，较平整，无凹凸感，机器雕刻文字、图形等后进行效果处理。成本低制作快。
Sensible Vocabulary: relevant terms 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 far more final results » You may as well obtain linked terms, phrases, and synonyms while in the subjects: