What kinds of magnetically selected minerals are classified according to magnetism?

The magnetic selection is divided according to the specific magnetic susceptibility: 1) Strong magnetic minerals (recovered by weak magnetic field magnetic separator) χ SI SI> 3.8×10 ^{- 5} m ³ /kg; Gs χ> 3×10 ^{- 3} cm3 / g, mostly ethylene ferromagnetic substance. 2) weakly magnetic minerals (with a strong magnetic separator recycling) [chi] values in SI ^{7.5 × 10-6 ~ 1.26 × 10-7m 3} / kg; Gs is made of 6 × 10-4 ~ 10 × 10-6㎝ ³ / g It is generally a paramagnetic substance. 3) Non-magnetic minerals (magnetic separation can not be recovered) χ value: SI system χ <1.26 × 10-7m ³ / kg; Gs system χ <10 × 10-6m ³ / kg, generally magnetically weak paramagnetic or Anti-magnetic. The content of this article is for reference only and does not constitute investment construction.

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