Cone 9 Redux Quebec Slip Glaze #6 Quintessence

Quebec slip 72
Spodumene 20
Whiting 6
Magnesium carbonate 2
Total 100

Bentonite 1
Rutile 8
Red iron oxide 3.3

Na2O 1.3% Al2O3 17.4% SiO2 53.1%
K2O 1.9% TiO2 7.6%
MgO 2.8% Fe2O3 8.0%
CaO 6.4%
Li2O 1.4%

Volatiles:
H2O 0.4%
CO2 3.3%
Other 5.5%

Loss On Ignition: 8.4%
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Na2O 0.08 Al2O3 0.62 SiO2 3.24
K2O 0.08 TiO2 0.35
MgO 0.26 Fe2O3 0.18
CaO 0.42
Li2O 0.17

Alumina:Silica ratio is 1.00:5.19
Neutral:Acid ratio is 1.00:6.04
Alk:Neut:Acid ratio is 1.00:0.62:3.77

Expansion: 73.8 x 10e-7 per degree C
Oxides causing abnormal expansion: Li2O