steenstrupine

(=steenstrupite)菱黑稀土矿

释义与例句

n.
  1. 1.

    A rare dark brown mineral, (La,Ca,Na)(Al,Fe,Mn)(Si,P)(O,OH,F)₄, found in Greenland, occurring in rhombohedral crystals or massive formations.

    不可数 化学 地质

词源

From Steenstrup + -ine.

来源：wiktionary