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。Location Charge differs by trouble and stone count. Prong established and flush established are classified as the quickest and best, French fishtail is beautiful, but time-consuming and the most
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