... , and tantalum-niobium, etc. In recent years, it is also more and more applied in purifying quartz, feldspar and nephline.suitable for ... with high magnetism. In recent years, it has been used as concentrating equipment in place of magnetic dewatering cell.Usage ... ilmenite, and tantalum-niobium, etc.In recent years, it is also more and more applied in purifying quartz, feldspar and nephline. Its ...