vanalite

例句：

1. 1. The vanalite crystals were found in the mine.
   在矿井里发现了钒铝石晶体。
2. 2. The vanalite was used as a catalyst in the chemical process.
   钒铝石用作化学过程中的催化剂。
3. 3. The vanalite is a valuable mineral resource.
   钒铝石是一种宝贵的矿物资源。