Which is more expensive, mica or iron ore?
This is not good, there are many kinds of mica, such as biotite, muscovite, iron ore, and many kinds
Higher grade, if the existing technical conditions, concentrator can not choose, but also of no value. Of course, mica is relatively expensive.
This is also difficult to compare, the most important thing is to see the grade of ore, low grade, natural price is low, ore grade, but also their washability
