lamprophyllite

例句：

1. 1.The mineral lamprophyllite is used in the production of glass.
   这种矿物蓝绿泥石用于生产玻璃。
2. 2. The lamprophyllite mine is one of the largest in the world.
   蓝绿泥石矿是世界上最大的之一。
3. 3. The blue color of lamprophyllite is due to its high concentration of iron oxide.
   蓝绿泥石的蓝色是由于其高浓度的氧化铁造成的。