Rumored Buzz on Crystal
Rumored Buzz on 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。
杂质、裂纹越少越好。质地好的水晶制品，应看不到星点状、云雾状和絮状分布的气液包裹体或组成玉石的颗粒。有裂纹、斑点，则属于次品。
天然水晶是不可再生资源，随着开发的深入，天然水晶存量已越来越少，为了可持续发展，东海县政府早就制定了保护本地资源，鼓励开发海外水晶资源的政策，但是，海外资源也越来越少，很多国家都提高了开采和出口天然水晶的门槛，进入东海市场的外国水晶价格连年暴涨，其中观赏水晶比普通水晶涨价更快。
Significant crystals of diamond are precious gemstones. The crystal has other intriguing Houses; it's got the best audio velocity of any strong and is the greatest conductor of heat. Besides diamond, one other prevalent method of carbon is graphite, that is a layered materials. Each carbon atom has 3 coplanar in the vicinity of neighbours, forming an arrangement called the honeycomb lattice. A few-dimensional graphite crystals are obtained by stacking equivalent layers.
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》
Wise Vocabulary: linked words and phrases Glass blower blowpipe bulletproof glass Slash glass fibreglass frosted glassware glaze glazed glazier glazing prism prismatic punty Pyrex reglaze unglazed vitreous vitrification vitrify See extra success » You can also uncover associated words, phrases, and synonyms while in the matters:
⑦、镀彩：运用类似电镀的手法在水晶表面以不同的色彩，层面较薄，经摩擦可划伤�?；出现划痕，由于镀彩经常位于底部，因此在镀彩底部经常采用其它对象附着，如生肖文镇。
Crystals may be grown beneath average conditions from all 92 In a natural way transpiring factors apart from helium, and helium is often crystallized at low temperatures by making use of twenty five atmospheres of force.
Crystals in many cases are viewed as a little something of huge natural beauty, they usually are commonly utilized with diamonds or other stones to create parts of jewelry. Nearly all crystals now are person-manufactured in laboratories.
多色�?无色水晶没有多色性。有色水晶有弱到强的多色�?表现为体色的不同深浅。
There are 2 this sort of probable periodic preparations. In Just about every, the main layer has the atoms packed into a airplane-triangular lattice in which each and every atom has 6 instant neighbours. Figure 2 displays this arrangement for your atoms labeled A
Crystallography would be the research of crystals, and it specials with every little thing from fantastic geometric shapes to seemingly random conglomerations of particles and minerals.
水精：水晶为何称为水精，《广雅》有巧解：�?水之精灵�?”；李时珍则说：�?莹洁晶光，如水之精英 ”。细加考究，此称还蕴含浓厚的宗教意味呢。水精一名，最初见于佛书，后汉支曜翻译的《具光明定意经》说：�?其所行道，色如水�?�?。
21You click here all know the way after you have a crystal prism and pass a beam of daylight through it, you receive a spectrum, which seems like a continuous band of rainbow shades.