felsophaerite

例句：

1. 1.The iron ore was extracted from the nearby mine.
   该铁矿从附近的矿场提取。
2. 2. The iron ore is used to make steel.
   铁矿石用于制造钢铁。
3. 3.The iron ore deposits are scattered throughout the region.
   铁锈石矿床遍布该地区。