uraninite

例句：

1. 1. The mineral is used in the production of glass and ceramics.
   这种矿物用于制造玻璃和陶瓷。
2. 2. Uraninite is a rare mineral that is found in small quantities in some rocks.
   铀矿是一种稀有矿物，在一些岩石中以少量存在。
3. 3. The uraninite was discovered in the mountains of New Mexico.
   铀矿是在新墨西哥的山区发现的。