Composition

SiO₂

Al₂O₃

Fe₂O₃

CaO

MgO

K₂O

SO₃

Na₂O

L.O.I.

RD

Fineness

Gladstone

53.0

30.4

9.5

2.5

1.0

0.4

0.1

0.3

0.4

2.4

91

Bayswater

70.7

20.7

3.9

1.1

0.7

1.1

0.2

0.2

1.0

2.2

97

Port Augusta

49.4

29.7

2.9

4.9

2.7

1.1

0.3

3.2

0.3

2.2

86