Lab NotesSummer 2018 - Volume 54, Issue 2, Summer 2018, Vol. 54, No. 2

大批高温高压合成米粒钻中发现的一颗天然米粒钻 (英语)

Stephanie Persaud, Wuyi Wang, Paul Johnson, and Ivana Petriska Balov

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One Natural Melee Diamond Found in Large Batch of HPHT Synthetic Melee | Gems & Gemology