Sample

Grade (%)

Fe

SiO₂

Al₂O₃

P

MnO

Original sample

40.1

33.4

8.31

<0.08

0.34

(−298 + 37) µm fraction

20.6

67.0

2.70

<0.08

0.08

Wet test, non-magnetic fraction

0.90

94.5

3.00

<0.08

0.01

Dry test, non-magnetic fraction

0.74

95.4

2.56

<0.08

0.01

Wet test, magnetic fraction

60.2

10.9

1.84

<0.08

0.17

Dry test, magnetic fraction

54.3

17.2

4.15

<0.08

0.16