putoranite

例句：

1. 1.The putoranite is a rare mineral that has been discovered in the region.
   乌托兰石是一种稀有矿物，已在该地区被发现。
2. 2. The putoranite was used as a decorative stone in ancient times.
   乌托兰石在古代被用作装饰石。
3. 3.The putoranite has unique properties that make it valuable for various applications.
   乌托兰石具有独特的性质，使其在各种应用中具有价值。