pulveryte

例句：

1. 1. The pulvyte is a rare mineral that has been found in the earth's crust.
   这种矿物非常罕见，已在地球的地壳中被发现。
2. 2. The pulvyte is used in the production of glass and ceramics.
   这种矿物被用于生产玻璃和陶瓷。
3. 3. The pulvyte is mined from deep within the earth's crust.
   这种矿物是从地球地壳深处开采出来的。