| 释义 |
〔pyrrhotite〕A brownish-bronze iron sulfide mineral, FeS, characterized by weak magnetic properties and used as an iron ore and in the manufacture of sulfuric acid. Also called magnetic pyrites 磁黄铁矿:一种褐黄色硫铁矿,Fes,特征是有微量的磁性,用于铁矿或在硫酸的制造中 也作 magnetic pyrites〔marcasite〕A mineral with the same composition as pyrite, FeS2, but differing in crystal structure. Also called white iron pyrites 白铁矿:一种与硫铁矿,FeS2构成相同,但晶体结构不同的矿石 也作 white iron pyrites |