iron natrolite

例句：

1. 1. The iron natrolite deposits are a valuable resource for the local economy.
   铁白云石矿是当地经济的重要资源。
2. 2. The mine is rich in iron natrolite, which is used in the production of steel.
   该矿富含铁白云石，用于生产钢铁。
3. 3.Due to its high iron content, iron natrolite is often used as an additive in cement.
   由于其高含铁量，铁白云石常被用作水泥的添加剂。