bementite

例句：

1. 1. This bementite is highly sought after for its unique properties.
   这种贝蒙石因其独特的性质而备受追捧。
2. 2.The mine has been producing this rare mineral for decades.
   这个矿几十年来一直生产这种稀有矿物。
3. 3. The bementite is used in the production of various industrial materials.
   贝蒙石被用于生产各种工业材料。