ferritungstite

例句：

1. 1. This mineral is used in the production of ferric oxide, which is crucial for the development of steel.
   这种矿物用于生产氧化铁，对钢铁的发展至关重要。
2. 2. The iron ore was mined from the ferritungstite deposit, which is located in the southern part of the country.
   铁矿石从位于该国南部的铁矾石矿床中开采出来。
3. 3. The ferritungstite mine is a major source of employment and economic activity in the region.
   铁矾石矿是该地区的主要就业和经济活动来源。