明矾石

例句：

1. 1. The mine is richin minerals, including a variety of preciousmetals and minerals.
   这个矿富含各种矿物，包括贵金属和矿物。
2. 2. The mineraldeposit is an important source of aluminum forthe local economy.
   这个矿是当地经济的重要铝源。
3. 3. The process involves extractingthe mineral from its natural state and purifying it to produce high-quality aluminumproducts.
   这个过程包括将矿物从其自然状态中提取出来并净化它以生产高质量的铝产品。