The floor of diamonds is partially oxidized. The oxidized floor can be diminished by warmth treatment method under hydrogen circulation. That is definitely to convey, this warmth treatment partly eliminates oxygen-that contains practical groups.
鋸 · 磨 · 焊 · 鍛 · 拋 · 鑲 · 鍍 · 失蠟法 · 鑄造 · 浸滲 · 氧化 · 雕版
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Symbolizes the journey of love, determination, and resilience shared by a pair. The arrow signifies a unified direction, a pledge to move forward collectively towards shared plans. In addition, it embodies energy and security, as each companion stands guard above another.
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The De Beers company, 求婚鑽戒 as the planet's greatest diamond mining firm, holds a dominant place inside the sector, and has accomplished so considering that before long just after its founding in 1888 via the British businessman Cecil Rhodes. De Beers is currently the world's greatest operator of diamond generation amenities (mines) and distribution channels for gem-quality diamonds. The Diamond Investing Company (DTC) is usually a subsidiary of De Beers and marketplaces tough diamonds from De Beers-operated mines. De Beers and its subsidiaries very own mines that make some 40% of annual world diamond production.
Diamond enhancements are distinct treatment options performed on pure or synthetic diamonds (generally Those people presently Slash and polished right into a gem), which might be made to better the gemological properties on the stone in one or more strategies.
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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。
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