About Crystal
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。
无色水晶以晶莹美丽、洁净透明着称。衡量无色水晶主要看它的纯度，越纯、越透明越好。干净的、无瑕疵的、杂质少的价值就高。无色的水晶如果很脏，就没有利用价值。
晶及其石英岩类玉石是中低档宝玉石，虽比不上钻石、红蓝宝石的高贵，但在加工中如果构思巧妙而且加工精细，同样具有很高的价值。如中国传统的玛瑙“虾盘”、“龙盘”、“水漫金山�?水胆玛瑙摆件)都被誉为国家级宝玉石。
The ordered inner structure of huge crystals, such as the fluorite and quartz proven below, is reflected of their geometric shapes.
Fig. four: Developing blocks with diverse shapes and area chemistries direct the development of unique crystal symmetries.
Monoclinic �?Characterized by a few unequal axes, two of which intersect at an oblique angle, even though the third is perpendicular to the aircraft of the opposite two.
水晶与高档宝石的净度要求有很大不同。高档宝石稀少罕见，所以一般人们普遍对高档宝石的净度不会过于苛求。而水晶的产量着实大得惊人，所以通常人们会要求水晶净度越高越好，尽量避免有较明显的内含物的水晶。
You will find there's identical directive about crystal glass which differentiates in between complete guide crystal, lead crystal and crystal.
Crystals tend to be seen as some thing of huge magnificence, and they are commonly made use of with diamonds or other stones to produce pieces of jewelry. The majority of crystals now are gentleman-built in laboratories.
Crystals with clear flat faces are referred to as euhedral crystals, while All those missing described faces are named anhedral crystals. Crystals consisting of ordered arrays of atoms that aren't constantly periodic are termed quasicrystals.
All crystal ball crystal apparent copyright liquid crystal crystal lattice crystal composition liquid crystal display See all meanings Idioms and phrases crystal apparent idiom
The arrangement of the atom’s electrons determines its chemical Homes. The Houses of solids tend to be predictable from the Attributes of their constituent atoms and molecules, and the various shell constructions of atoms are therefore to blame for the range of solids.
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Fig. 5: The opportunity to recognize defined crystal patterns is dependent on the symmetry engineering method.