schungite

例句：

1. 1. The mine is rich in schungite, which can be used for industrial purposes.
   这个矿富含硫化铜矿，可以用于工业用途。
2. 2.Schungite has been found to have antibacterial properties.
   硫化铜矿被发现具有抗菌性质。
3. 3. The schungite ore was mined from the local area and sold to other countries.
   这种硫化铜矿矿石是从当地开采出来的，并被卖给其他国家。