The Greatest Guide To Crystal
The Greatest Guide To 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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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。
If you would like see how crystals are formed, you are able to perform a little project within your incredibly individual kitchen and find out the formation of the crystals arise with all your have eyes . This may be accomplished by Placing a small degree of table salt into some typical faucet drinking water, wait around 24 hours, and you may see nice cubed formations. This transpires as the h2o is evaporating, which will cause the atoms which make up the salt (the mineral) and also the h2o to come nearer with each other.
根据美国已经了解的情况，统计局的专家和其他人口统计学家在他们的视野中提供了一个不可抗拒的水晶球。
Monoclinic �?Characterised by a few unequal axes, two of which intersect at an oblique angle, while the 3rd is perpendicular towards the plane of the opposite two.
水晶内部有多种矿物包裹体，形成的各种景观可以肉眼观测，这样的水晶就是包裹体水晶观赏石。由于水晶本身就是宝石，因此人们称誉包裹体水晶为“宝石级的观赏石”。包裹体水晶观赏石都具有独特性，具有极高欣赏和收藏价值。
The elements are found in a variety of crystal packing arrangements. The most typical lattice structures for metals are those acquired by stacking the atomic spheres into the most compact arrangement.
包裹体常见有固相、固液气三相组合、空洞以及双晶、色带等。水晶中典型的同生包裹体有自形的锐钛矿、气液两相包体等。
crystal The newly crystallized quartz grains are characterised by elongate crystals oriented oblique on the shear band margins, defining an average grain-condition foliation. 来自 Cambridge English Corpus We say the chain topology within the high w region functions given that the proverbial ' scratch-on-theglass ' necessary while in the organic chemistry laboratory for making crystals. 来自 Cambridge English Corpus The age scatter amongst the person crystals may well reflect incorporation of xenocrysts from previously magmatic pulses or protoliths. 来自 Cambridge English Corpus The clinopyroxene types neutral to pale brown, subhedral to anhedral crystals, from time to time made up of inclusions of plagioclase click here microlaths and opaque phases.
用手去触摸水晶，天然水晶通常温度要比人造水晶的要凉的多；用眼观察，天然水晶通常有棉絮状的包裹体，这个是人造水晶所没有的。
国家还并未给天然水晶提供一个等级划分的具体标准，水晶品种繁杂，每一品种都有他不同的评判标准。
玉石纹理如果能形成美丽的花纹、图案，其价格就高，如玛瑙内红白相间的色带有规律地排列，形成缠丝玛瑙时，碧玉中的不均匀颜色形成一种风景图案时，材料的价值将提高。当水晶内包裹体形成美丽的图案时，如幽灵水晶、风景水晶，或者针状包裹体呈束状排列时，其价值都高于普通的水晶。图案越美观、越有意境越好。
Fig. five: The chance to understand described crystal behavior is dependent on the symmetry engineering method.