蓝宝石英文名 sapphire在aigs证书identification定名对应栏natural
文对照与解释:grs-gemresearch swisslab 瑞士寶石研究實驗所gemstone
gemstone identification, tracking and recovery system
公主级别天然有机宝石海螺珠
常见宝石的优化处理及鉴定方法(卢琪 )
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