manganese fayalite

例句：

1. 1. Manganese fayalite is a mineral that is commonly found in the earth's crust.
   锰黄铁矿是一种在地球地壳中常见的矿物。
2. 2. The manganese fayalite has been used for centuries as a source of iron and steel production.
   锰黄铁矿自古以来就被用作生产铁和钢的原料。
3. 3. In recent years, researchers have discovered new ways to extract valuable minerals from manganesefayalite.
   近年来，研究人员发现了从锰黄铁矿中提取宝贵矿物的新方法。