lubeckite

例句：

1. 1.The Lubeckite mine is one of the largest in the world.
   卢贝克石矿是世界上规模最大的之一。
2. 2. Lubeckite is a rare mineral that can be found in small quantities in some rocks.
   卢贝克石是一种罕见的矿物，可以在一些岩石中以少量存在。
3. 3. The Lubeckite mine has been producing high-quality gemstones for many years.
   卢贝克石矿已经生产高质量的宝石多年了。