powellite

钼钨钙矿

词形变化

powellites 复数 powellites

释义与例句

n.
  1. 1.

    A tetragonal-dipyramidal mineral containing calcium, molybdenum, and oxygen.

    可数 不可数 化学 地质

词源

Named after American geologist John Wesley Powell (1834–1902), + -ite.

来源:wiktionary