Crystal Secrets
Crystal Secrets
Blog Article
天然的水晶一般都会有絮状(绵绺),也就是大家俗称的瑕疵,这是液体水落石出和二氧化碳的小孔穴,而人工合成的水晶就不会有这样的特征。
⒉棉、云雾或渣状包裹体、杂质在透明水晶内部有雾蒙蒙的现象或是感觉里面像有棉絮状、渣状物质一样的包裹体,这些包裹体的存在,影响水晶的整体美观。还有的水晶内局部含有黑斑或其他颜色的斑状物质,与水晶整体不协调,被视为水晶的杂质,有这种杂质的水晶是次品。
4Without a crystal ball, It can be extremely hard to say in which we will be up coming year.不用水晶球预卜未来,我们说不准明年处境如何呀。《牛津词典》
③次生包裹体:指主体水晶形成后,由于环境的变化使得主晶周围的一些物质沿裂隙进入到其内部而形成的包裹体。形成的原因有出熔作用、裂隙的结晶化、以及放射性元素破坏的作用等。水晶典型的次生包裹体有胶花水晶中的氧化铁充填物等。
How Crystals Kind The whole process of forming a crystal is called crystallization. Crystallization commonly takes place when a good crystal grows from a liquid or Answer.
无色水晶与无色长石因折射率和密度十分接近故较难区分。主要方法是放大检查。长石有两组极完全解理,显微镜下可见两组解理相交而成的“娱蛤状”包裹体或细直的纹理,而水晶则无解理发育,仅有时可见断续不规则的裂理。
光泽:玻璃光泽。断口处为油脂光泽。光泽,指宝石表面对光线反射的一种光学性质。观察水晶的光泽,可用手握着它,以灯光或窗户投进来的光线看表面反射,透明水晶亮度与光泽强弱有关。
26Some of the finest ingesting Eyeglasses are constructed from direct crystal.一些最精致的酒杯是用铅晶质玻璃制成的。《柯林斯英汉双解大词典》
水晶包裹体丰富多彩,从气体、液体到各种矿物质,甚至宝石,均可被包含于水晶内,各种包裹体所形成的景象更是变化万千。按照包裹体的内容,常把包裹体水晶分为一下八类:
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。
The fundamental models of solids are both atoms or atoms which have merged into molecules. The electrons of an atom shift in orbits that sort a shell structure throughout the nucleus. The shells are loaded in a systematic buy, with Every single shell accommodating only a small number of electrons. Distinctive atoms have diverse figures of electrons, that are dispersed within a characteristic electronic structure of filled and partly stuffed shells.
Fig. 1: Schematic of crystal development from making blocks made up of a particle Main and a shell of DNA ligands connected into the particle surface.
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。
The C60 molecules, also referred to as buckyballs, are rather sturdy and Nearly incompressible. Crystals are shaped this kind of the balls are organized within an fcc lattice by using a one particular-nanometre spacing in between the centres of adjacent balls. The similar C70 molecule has the read more shape of the rugby ball; C70 molecules also variety an fcc crystal when stacked together. The strong fullerenes kind molecular crystals, with weak binding—supplied by van der Waals interactions—among the molecules.