ellsworthite

例句：

1. 1.The ellsworthite deposit is located in the northern part of the state.
   埃尔斯沃思石矿位于该州的北部。
2. 2.The ellsworthite has been used as a building material for centuries.
   埃尔斯沃思石被用作建筑材料几个世纪了。
3. 3.The ellsworthite mine is one of the largest in the world, with reserves estimated at over 50 billion tons.
   埃尔斯沃思矿是世界上最大的矿之一，估计储量超过500亿吨。