barroisite

例句：

1. 1.The barroisite deposits are a valuable resource for the local economy.
   这些铁矾石矿床是当地经济的重要资源。
2. 2.The mineralogist analyzed the chemical composition of the barroisite.
   矿物学家分析了铁矾石的化学成分。
3. 3. The barroisite was mined and processed into fertilizers, which were used to enrich soil.
   铁矾石被开采并加工成肥料，用于改良土壤。