The mineralogical class and group of Nb, Ta and RE minerals and the numbers of their species and varieties in China are listed. And the main mineralogical characteristics of these minerals are briefly mentioned as well.

  • 列出了我国产出的铌钽稀土矿物种类和各类各族中的种数,并简要论述了它们的主要矿物学特征。
目录 查词历史