Snow Flake Glaze
cone 10 oxidation
Down Firing profile
A half hour hold at 1750 deg F
A three hour hold at 1700 deg F
slow downfire at 25 deg F an hour in the interval 1700 deg F to 1650 deg F
A one hour hold at 1650 deg F
Clay body is a grolleg porcelain from Tacoma Clay Art Center.
glaze composition
The glaze is hiAl_4Z_3 with Empirical or Seger Formula:
Alkali metal .76
Li2O .19
CaO .04
MgO .1
SrO .1
Alumina .6
SiO2 3.2
TiO2 0.22
molecular % silica 64
9 inch plate with leaf print.
The two sides of the leaf
are stained respectively with Kaolin, and Kaolin + red Iron Oxide