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Gemological Institute of America
7 年
针对产自 Baw Mar 矿(缅甸摩谷)的蓝色蓝宝石的深入宝石学研究
产自缅甸摩谷 Baw Mar 矿的蓝色蓝宝石原石和刻面石。 摄影:Vincent Pardieu(文森特·帕迪乌)/GIA。 缅甸是世界上最古老的优质刚玉产地之一。 在过去十年中,Baw Mar 产量增加,为市场提供了大量的优质蓝色蓝宝石。 这些蓝宝石与经典摩谷蓝宝石在属性上稍有不同 ...
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