waltherite

例句：

1. 1. The waltherite in the mine is incredibly valuable.
   矿中的沃尔特石价值极高。
2. 2. The waltherite has been used for centuries to make jewelry.
   这种石头被用来制作数百年的珠宝。
3. 3.The waltherite was discovered in a remote part of the country.
   这种石头在该国的一个偏远地区被发现。