5 Simple Techniques For Crystal

5 Simple Techniques For Crystal

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轴性、光性：一轴晶正光性。正交偏光下所看到的一轴晶干涉图是独特的，其黑十字臂未达中心，形成中空的图案，俗称牛眼干涉图。中心部分通常为淡绿色或淡粉色。

水晶原石观赏石充分体现了天然水晶的本质，经过抛光的水晶原石观赏石，玲珑剔透、晶莹璀璨，独具匠心的设计，恰到好处地显露出水晶的魅力。如果您想单纯的欣赏水晶，水晶原石观赏石是你的不二之选，给人一种返璞归真的感觉。

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。

Incorporate to phrase list Add to phrase checklist C2 [ U ] clear glass of really top quality, generally with its surface area Lower into delicate patterns

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。

结晶�?When sea h2o is permitted to evaporate, salt crystals are deposited. 海水蒸发后，盐的结晶体就沉淀下来。

Insert to word listing Add to phrase listing [ C/U ] transparent rock that looks like ice, or possibly a bit of it

如果水晶内部杂质中有传说中人物的造型，如佛、星座、生肖等价值可能要高于同等颜色和净度的水晶。

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�?。

A crystal system refers to the classification of crystals determined by the geometric arrangement and symmetry in their lattice structures. You will discover 7 principal crystal systems:

看孔眼：对于缀穿水晶制品（如项链、手链、佛珠），要看孔眼是否平直，孔的粗细是否均匀，有无细小裂纹。孔壁必须清澈透明，无“白痕”。

The arrangement of an atom’s electrons decides its chemical properties. The Qualities of solids are usually predictable within the Qualities of their constituent atoms and molecules, and the several shell buildings of atoms are consequently liable for the variety of solids.

crystal, any reliable content through which the part atoms are arranged within a definite pattern and whose area regularity demonstrates its inside symmetry.

21You all know how any time you take a crystal prism and move a beam of sunlight through it, you get a spectrum, which appears like a steady band of click here rainbow hues.