leaf print
The pursuit of an anatomically correct leaf.
Here one sees the result of a thin high phosphorus glaze layer atop a late
maturing matrix glaze.
This leaf print utilize a high phosphorus, high rutile glazes. The prints is
the result of bubbling of the
The extreme bubbling of the glaze is the result of an overgenerous glaze
application.
plate is ~ 8 inches in diameter.
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
300 deg F an hour to 1800 deg F then a 2 hr hold at 1800 deg F
300 deg F an hour to 1750 deg F then a 1 hr hold at 1750 deg F
50 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
K2O 0.22
Al2O3 0.90
SiO2 4.23
molecular percent Silica 66%
K2O 0.43
Al2O3 0.54
SiO2 3.34
molecular percent Silica 48%
A leaf is softened by soaking in water laced with water softener. After
the pot is glazed, the leaf is pressed
matrix glaze through the leaf print
wash. The leaf was pressed firmly into the matrix glaze, the veins nearly
touching the plate beneath, giving sharp primary leaf veins.
glaze longquan-iron-shino-MLi and leaf wash leaf_Z3K.
oxidation firing to cone 10 in an electric kiln
Firing profiles
Up Fire profile
Down Fire Profile
Clay body is a grolegg porcelain from Clayart Center in Tacoma, WA.
glaze compositions
Empirical Formula longquan-iron-shino-MLi :
Na2O 0.46
CaO 0.31
MgO 0.01
Fe2O3 0.18
P2O5 0.09
Empirical Formulae of leaf wash glaze leaf_Z3K:
Na20 0.53
CaO 0.04
P2O5 0.15
TiO2 1.90
into the glaze. When the glaze
dries, a swatch of plate including the leaf is coated with wax. When the wax
is dry, the leaf is removed and the indentations in the glaze are coated
with a very thin layer of an
underfired glaze.