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荧光虹彩和深褐色三角形图案抽象艺术
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The internal structures of natural pearls from the marine mollusk Pinctada maxima are the subject of the lead article in this issue. The scattered loose pearls on the cover are from Paspaley’s natural pearl collection, which includes one discovered in the 1970s at the Eighty Mile Beach fishing grounds
《宝石与宝石学》(Gems & Gemology) 2021 年春季刊
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