单词 pyrolusite 释义 pyrolusite Min.|parl(j)usat|[ad. Ger. pyrolusit (Haidinger 1827), f. Gr. - (pyro-) + ῦ- washing + -ite1: from its use, when heated, for discharging colour from glass.]Native dioxide of manganese, MnO2, a common ore of black or dark-...