niocalite

n. [地]黄硅铌钙石

释义与例句

n.
  1. 1.

    A monoclinic-domatic light yellow mineral containing calcium, fluorine, niobium, oxygen, and silicon.

    化学 地质

词源

Named for its composition of (NIO)bium and (CAL)cium, + -ite.

来源：wiktionary