Remobilized iron sulphides will precipitate as pyrrhotite at high temperatures and as pyrite when temperature decreases.

铁硫化物在高温下的再活化产物主要是磁黄铁矿，而低温下则主要为黄铁矿。

youdao

The transition-metal sulphides are widely used as cathode in thermal batteries, especially iron disulphide and cobalt disulphide.

过渡族金属硫化物是一类很好的热电池正极材料。

youdao

Two of the most persistent, though, are that clay was the catalyst, and that iron and nickel sulphides were the catalysts.

ECONOMIST: The origin of life