Initial indications suggest that this post deposit might provide a winning combination of size, high clarity, attractive color, and good crystal habit from a cutter’s perspective. Yet the quality is significantly better than any seen to date from those sources. Like previously documented Nigerian material, these sapphires are mined from basalt-related secondary deposits. These gems, reportedly from the Mambilla Plateau in Nigeria’s Taraba State, are available in large rough sizes, some as big as 100–300 ct. “The recent arrival of high-quality blue sapphire from a post source in Africa has caused considerable excitement in the Bangkok marketplace. A Dose of Deep Blue African Sapphires in various cuts by our experts at Navneet Gemsįrom the GIA article post Nigerian Source of Blue Sapphire Here is a look from the GIA and other sources on the growing trend.
Back to Africa with the post and recent mines and unheard-of low wholesale prices. From the deep resources of Africa’s Gemstone Mines, we bring you African Blue Sapphires and at wholesale and in bulk.
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