Quebec slip 95
Custer feldspar 5
Total 100
Bentonite 2.5
Rutile 12
Red iron oxide 7.2
Na2O 1.7% Al2O3 14.9% SiO2 52.1%
K2O 2.8% TiO2 10.1%
MgO 2.4% Fe2O3 12.2%
CaO 3.8%
Volatiles:
Other 6.6%
Loss On Ignition: 6.2%
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Na2O 0.15 Al2O3 0.80 SiO2 4.74
K2O 0.16 TiO2 0.70
MgO 0.32 Fe2O3 0.42
CaO 0.37
Alumina:Silica ratio is 1.00:5.91
Neutral:Acid ratio is: 1.00:7.30
Alk:Neut:Acid ratio is 1.00:0.80:5.86
Expansion: 80.6 x 10e-7 per degree C
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