Eve Juliano on mon 20 jan 03
I seem to have lost my glaze receipe for V.C. cobalt blue glaze at cone
10 reduction. Doe sanyone have that receipe that I believe I obtained
from this list about 8 years ago.
Thanks ----Eve Juliano
John Weber on tue 21 jan 03
I don't know if this is the glaze you are looking for but this is from the
GlazeBase list. Looks like the Silica is too low:
V.C. AA COBALT BLUE
Cornwall Stone 46
Whiting 34
EPK 20
---------------
Cobalt Carbonate 2
===============================
Na2O 0.06 Al2O3 0.35 SiO2 1.71
K2O 0.05 P2O5 0.00
MgO 0.00 TiO2 0.00
CaO 0.84 Fe2O3 0.00
CoO 0.04
Alumina:Silica ratio is 1.00:4.87
Neutral:Acid ratio is 1.00:4.90
Alk:Neut:Acid ratio is 1.00:0.35:1.72
Expansion: 82.9 x 10e-7 per degree C
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