alunite high strength cement

例句：

1. 1. The mineral alunite is used in the production of glass and ceramics.
   这种矿物阿卢丁石用于生产玻璃和陶瓷。
2. 2. Alunite is a common mineral found in many areas around the world.
   阿卢丁石是一种在世界许多地区常见的矿物。
3. 3. The alunite deposits are rich in silicon dioxide, which makes them valuable for industrial use.
   阿卢丁矿床富含二氧化硅，这使得它们在工业上具有价值。