C/6 Quintessence ash glaze

Custer feldspar 38
Ash Berhens 40
Ball clay 18
Talc 2
Dolomite 2
Total #100
Bentonite 1

Na2O 0.05 Al2O3 0.34 SiO2 1.71
K2O 0.12 P2O5 0.05
MgO 0.10 TiO2 0.01
CaO 0.73 Fe2O3 0.02
MnO 0.00

Alumina:Silica ratio is 1.00:5.02
Neutral:Acid ratio is 1.00:5.25
Alk:Neut:Acid ratio is 1.00:0.34:1.79

Expansion: 86.0 x 10e-7 per degree C