ruaskovite

例句：

1. 1.The ruaskovite is a rare and valuable mineral.
   这个矿物是稀有且有价值的。
2. 2. The discovery of this ruaskovite has sparked excitement in the scientific community.
   这一发现在科学界引起了兴奋。
3. 3.The ruaskovite was discovered during a geological survey.
   这种矿物是在地质调查中被发现的。