laubmannite

例句：

1. 1. The mineral deposit is rich in laubmannite.
   这个矿床富含劳伯曼石。
2. 2. The rock contains a variety of minerals, including laubmannite.
   这种岩石含有多种矿物，包括劳伯曼石。
3. 3. Laubmannite is a rare and valuable mineral that can be found in some areas of the world.
   劳伯曼石是一种稀有且有价值的矿物，可以在世界上的某些地区找到。