Only an exceedingly modest fraction with the diamond ore includes real diamonds. The ore is crushed, during which treatment is required to not ruin much larger diamonds, then sorted by density. Right now, diamonds can be found while in the diamond-rich density portion with the assistance of X-ray fluorescence, after which the ultimate sorting steps
鑽石分為一型和二型兩種，這主要是根據它是否含有N元素：一型含；二型不含。而藍色的鑽石是二B型的，是半導體。Colored diamonds have impurities or structural defects that result in the coloration, though pure or almost pure diamonds are clear and colorless. Most diamond impurities substitute a carbon atom
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