manganjustite

例句：

1. 1. The mine is rich in manganese ore, which is a valuable resource.
   该矿富含锰矿石，是一种宝贵的资源。
2. 2. Manganese ore is used to make steel and other metals.
   锰矿石被用来制造钢铁和其他金属。
3. 3. The mining industry relies heavily on the extraction of manganese ore.
   采矿业严重依赖锰矿石的提取。