kentallenite

例句：

1. 1. The gold mine is located in the remote mountainous region.
   金矿位于偏远的山区。
2. 2. The rutile ore is highly valued for its unique properties.
   这种金红石矿因其独特的性质而备受珍视。
3. 3. The mining company has been extracting this rare mineral for decades.
   这家矿业公司几十年来一直在开采这种稀有矿物。