5 Simple Statements About Crystal Explained
5 Simple Statements About Crystal Explained
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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。
the strong point out of many easy substances, that have an everyday condition and surfaces arranged in very similar styles
结晶的形状非常细小，需要用显微镜才能看得清楚，外观上看起来是平滑、块状。常见最多的是各式玛瑙
Large crystals of diamond are worthwhile gemstones. The crystal has other appealing Attributes; it's the very best sound velocity of any solid and is the best conductor of warmth. Other than diamond, the opposite popular method of carbon is graphite, that's a layered substance. Just about every carbon atom has three coplanar near neighbours, forming an arrangement known as the honeycomb lattice. A few-dimensional graphite crystals are attained by stacking similar levels.
Crystalline framework is characterized by a geometric, repeating pattern of symmetric molecular composition. The arrangement of atoms sorts these requested, repeating patterns.
第二种是“半包裹体”，在水晶结晶以后，由于受到地球引力的影响而产生的裂隙，晶体外的一些物质通过水晶的裂隙渗透到水晶内部，一部分包裹于水晶之中另一部分露于水晶之外。我们可以看到物质渗进水晶的裂迹，常被称为“通道”，这种包裹体所形成的景象相对地较受自然环境和时间的影响，相应的价值也比较�?。
⑩、雷射内雕：以计算机辅助激光设备在水晶对象中进行三维图案的成型，艺术效果好，可以任意表达各类图案，图形，达到逼真效果
1A crystal chandelier lit the space.一盏水晶吊灯照亮了房间。《柯林斯英汉双解大词典》
Metallic Crystals: Metals typically form metallic crystals, in which a lot of the valence electrons are free of charge to move all over the lattice. Iron, one example is, can form unique metallic crystals.
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。
被主体水晶所捕获的包裹体。原生包裹体通常为固相，形态较规则。水晶中典型的原成包裹体有金红石、电气石、黄铁矿等，也会见到岩石碎屑或集合体。
Crystallography would be the analyze of crystals, and it discounts with anything from fantastic geometric designs to seemingly random conglomerations of particles and minerals.
压电性：水晶晶体受到压力时会产生电荷；反之，受到电压作用时，晶体会产生频率很高的振动。水晶具有可使压力与电荷相互转移的性能，称压电性。
Intelligent Vocabulary: associated terms and phrases Geology: mineralogy beneficiation crystalline deposit gemologist gemology gold dust graphite idiomorphic intercrystalline like get more info gold dust idiom magnesium mineral nugget pyrite quasicrystal seam silicon unmined vermiculite vulcanicity See additional success » You can also find related phrases, phrases, and synonyms from the topics: