magaugite

例句：

1. 1. The magaugite is a mineral that can be found in the earth's crust.
   磁黄铁矿是一种可以在地球地壳中找到的矿物。
2. 2. The magaugite has been used for centuries as a source of iron and steel.
   磁黄铁矿被使用了几个世纪作为铁和钢的来源。
3. 3. The magaugite was discovered by a scientist who was looking for new minerals.
   一位科学家发现了磁黄铁矿，他正在寻找新的矿物。