zeolites

n.any of a family of glassy minerals analogous to feldspar containing hydrated aluminum silicates of calcium or sodium or potassium; formed in cavities in lava flows and in plutonic rocks

1. Natural zeolites are commonly used in water filtration due to their ability to remove contaminants.
   天然沸石常用于水过滤，因为它们具有去除污染物的能力。
2. The zeolites in the catalyst help improve the efficiency of the chemical reaction.
   催化剂中的沸石有助于提高化学反应的效率。