Minimize: The standard of structure and craftsmanship Employed in reducing a diamond is exactly what determines its visual appearance. The angles to which the facets are cut, the proportions of the look, and the standard of the polishing are what determine its deal with-up physical appearance, brilliance, scintillation, sample, and hearth.
Diamond would be the transparent, gemstone-good quality crystalline sort of carbon and it is certainly the toughest-recognized organic substance in the world. Diamonds are not simply prized for their Extraordinary hardness, but also for their large refractive index (brilliance) and their remarkably higher dispersion fee of seen light (fireplace). Despite the fact that classic colorless or 'white diamonds' are undoubtedly the most popular, yellow and brown diamonds (champagne and cognac) are literally the mostly transpiring ones.
Diamonds absolutely are a sturdy and extended-Long lasting substance, but they are able to however be damaged or shed. The phrase “diamonds are without end�?is a lot more of the promoting slogan than a scientific point.
鑽石是最堅硬天然物質，它的硬度達到摩氏硬度中最高的第十級，比起水晶和藍寶石等高出逾十倍、甚至百倍。此外，鑽石是一種兼備亮光、火光和閃光的礦物結晶體，所以被人們視作稀有、瑰麗和耐久的完美結合�?
Progress: The moment a diamond nucleus has shaped, it commences to grow as extra carbon atoms are included to the crystal lattice. The carbon atoms are transported into the escalating diamond crystal from the mantle through the motion of fluids or molten rock.
Some corporations use superior-force, high-temperature solutions - these are typically known as HTHP diamonds. Many others develop diamonds employing a chemical vapor deposition approach - they are called CVD diamonds. These gentleman-manufactured gems are increasingly being bought in jewelry suppliers and over the internet at a big discounted to all-natural stones of comparable high-quality and dimension. They've got a good looking overall look and a sexy price tag tag. Synthetic diamonds are necessary to be sold that has a disclosure that more info enables the customer to clearly understand that they ended up made by people.
The most time-consuming Component of the chopping would be the preliminary Assessment of your tough stone. It wants to address a large number of problems, bears Substantially responsibility, and thus can final decades in case of exceptional diamonds. The following problems are thought of:
戒指 項鍊 吊墜 耳環 手鏈 / 腳鏈 串飾 手鐲 擺件 / 禮品 金章 / 金條 其他 金屬
might be produced by coating surfaces with a thin coating of diamond. In this process, carbon is converted into a vapor that deposits diamond to the area of sections susceptible to use.
高÷寬（平均直徑）= 全深百分比以寬度為基準（圓形則以平均直徑數為基準）。
Only an extremely modest portion in the diamond ore is made up of precise diamonds. The ore is crushed, all through which care is necessary to not damage larger sized diamonds, after which sorted by density. Currently, diamonds can be found inside the diamond-abundant density fraction with the help of X-ray fluorescence, after which the ultimate sorting techniques are carried out by hand.
由於金剛石的硬度極高且導熱性極高，用於沙紙、鑽探、研磨工具之上，可以用來切削和刻劃其他物質，以及大型積體電路等散熱板上。
Artificial diamonds are diamonds made inside a laboratory, as opposed to diamonds mined with the Earth. The gemological and industrial employs of diamond have created a large need for rough stones. This desire has long been glad in large part by synthetic diamonds, that have been manufactured by many procedures for much more than 50 percent a century.
求婚戒指 結婚對戒 婚嫁首飾 龍鳳手鐲 中式婚嫁 結婚對戒 立即選購 禮品 按對象
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