Pyrrhotite

[piәrәutait]

解释:

(noun.) a brownish iron sulfide mineral (FeS) having weak magnetic properties.

克林顿编辑--From WordNet

解释:

(n.) A bronze-colored mineral, of metallic luster. It is a sulphide of iron, and is remarkable for being attracted by the magnet. Called also magnetic pyrites.

手打:所罗门