leaf

Firing profiles

Up Fire profile

150 deg F an hour to 250 deg F

400 deg F an hour to 1800 deg F

300 deg F an hour to 2050 deg F

120 deg F an hour to 2310 deg F with a hold of 20 minutes at 2310 deg F

Down Fire Profile

300 deg F an hour to 1750 deg F then a half hour hold at 1750 deg F

300 deg F an hour to 1700 deg F then a Three hour hold at 1700 deg F

25 deg F an hour to 1650 deg F then a one hour hold at 1650 deg F

Clay body is a crystal springs porcelain from Georgies in Portland.

glaze compositions

Empirical Formula satIron_ZG_0 :

K2O        0.1
Na2O        0.49
Li2O        0.19
CaO        0.16
MgO        0.06

Al2O3        0.59
Fe2O3        0.2

SiO2        3.13
P2O5        0.04

molecular percent Silica 63%

Empirical Formula jingdezhenPBall :

K2O        0.13
Na2O        0.02
CaO        0.72
MgO        0.13

Al2O3        1.05
Fe2O3        0.02

SiO2        6

molecular percent Silica 74%

A leaf is softened by soaking in water laced with water softener. After the pot is glazed, the leaf is pressed into the glaze.
When the glaze dries, a swatch of plate including the leaf is coated with wax. When dry the leaf is removed
and the indentations in the glaze are coated with a very thin layer of an underfired glaze jingdezhenPBall.