Good News and moving forward, page-175

Dont get upset GBB.
Shenghe is one of the worlds leaders in the industry with a wealth of information beyond your ability to know about things that happened beyond 50 years ago. Its understandable they would know what you wouldnt.
I think rather you just need to accept the fact of their findings ("The eudialyte samples were found with weak magnetic property, which makes it possible for high gradient magnetic separation") and youd be better offer to research what you clearly dont understand. So to best understand what you failed to know.