selwynite

铬铝石

释义与例句

n.
  1. 1.

    A tetragonal-ditetragonal dipyramidal deep purplish blue mineral containing aluminum, beryllium, hydrogen, oxygen, phosphorus, potassium, sodium, and zirconium.

    化学 地质

词源

From Selwyn + -ite, after A. R. C. Selwyn.

来源：wiktionary