Not known Details About Crystal
Not known Details About Crystal
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水晶表面坑洼的地方,有的深,有的浅,这是水晶在成长过程中自然形成的,并非是人为造成的损伤。缺陷位置本来包有其他矿物晶体,由于包裹体和水晶结合部位的结合力不强,当表面抛光时,矿体脱落,留下空位。这种缺陷在绿幽灵、钛晶、金发晶上都比较常见。
Crystals are lovely rock formations which have astonished human beings for thousands of several years. These are utilized for a lot of various things, not only for decoration. Most of the to start with radios at any time invented used crystals to transmit the radio waves. Some devices, like quartz watches and laser crystals, use Exclusive Houses and harmonic abilities of crystals to generate extremely exact measurements and adjustments.
A crystal framework focuses on how the atoms are arranged Within the crystal. Even so, crystallographers have an interest in the general condition and measurement of your crystal in addition to its exterior attributes. To perform this, they have to understand about the crystal system.
Fig. three: A library of lattice symmetries is often accessed by switching the particle Main and DNA shell.
断口:贝壳状。断口也叫破口。它是指矿物被打击后产生不规则的破裂,破裂裂面凹凸不平称为断口。根据断口的形状可分为贝壳状和锯齿状。
当二氧化硅结晶完美时就是水晶;结晶不完美的就是石英:二氧化硅胶化脱水后就是玛瑙;二氧化硅含水的胶体凝固后就成为蛋白石;二氧化硅晶粒小于几微米时,就组成玉髓、燧石、次生石英岩。
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。
Hexagonal �?Characterised by 4 axes, 3 of that are equivalent in length and intersect at a hundred and twenty degrees, with a fourth axis perpendicular to one other three.
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:
幽灵水晶,分绿幽灵,红幽灵,白幽灵等,主要组成为绿泥石,其中绿幽灵属于珍贵品种。
天然性是水晶观赏石的基本特性。通常整体造型水晶矿物不饰雕琢就具备很高的观赏价值,但是包裹体水晶观赏石经常需要适当打磨抛光,这样更方便观赏水晶内部的包裹体。
The sodium chloride crystal lattice is characterized because of the close packing with the good sodium ions and destructive chloride ions. Each individual sodium here ion is surrounded by six chloride ions, and each chloride ion is surrounded by six sodium ions, creating a hugely steady and symmetrical composition.
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。
This crystal framework is chargeable for the distinctive physical and chemical properties of sodium chloride, which include its substantial melting stage, electrical conductivity, and talent to kind ionic bonds very easily.