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巴西利亚大学地质科学研究所A．BhaskaraRao等人通过对巴西北东东部１９个海蓝宝石矿的系统研究，划分出新元古代和太古代的两种不同类型的海蓝宝石成矿省。这些矿床的共同特点是，氧化硅大量富集，矿化的花岗伟晶岩具有明显的文象交生现象（一种长石与石英共生的岩石结构）。?
Institute of Geological Sciences, University of Brasilia BhaskaraRao and others through systematic study of 19 aquamarine deposits in the eastern and eastern parts of Brazil, divided into two different types of aquamarine mineralization provinces Neoproterozoic and Archean. The common feature of these deposits is that a large amount of silica is enriched and the mineralized granitic pegmatite has a remarkable phenomenon of interlacing (a rock structure symbiotic with feldspar and quartz). ?