clausthalite

例句：

1. 1.The mineral is found in the Clausthal region, where it has been mined for centuries.
   这种矿物在克劳斯塔尔地区被发现，那里已经开采了数百年。
2. 2. The Clausthalite was discovered by a team of scientists during their expedition to the region.
   科学家团队在探险中发现了一种名为克劳斯塔尔石的矿石。
3. 3.The Clausthalite has unique properties that make it valuable for industrial applications.
   克劳斯塔尔石具有独特的性质，使其在工业应用中具有价值。