beraunite

例句：

1. 1.The Beraunite mine is located in the northwest of the country.
   贝拉乌尼特矿位于该国西北部。
2. 2.The Beraunite mine has been closed due to safety concerns.
   由于安全担忧，贝拉乌尼特矿已关闭。
3. 3.The Beraunite mine is a significant source of gold and silver in the region.
   贝拉乌尼特矿是该地区重要的黄金和白银来源。