leaf
The pursuit of a leaf print with sufficient detail to have originated from a
natural leaf.
This print has interesting colors and is leaf shaped; there is, however,
considerable line broadeing of the veins.
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 1750 deg F then a hold of 50 min at 1750 deg F
300 deg F an hour to 1700 deg F then a thee 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 0.19
Al2O3 0.55
SiO2 3.17
molecular percent Silica 63.8%
Na2O 0.55
Al2O3 0.45
SiO2 3.59
molecular percent Silica 41.43%
A leaf is softened by soaking in water laced with water softener. After
the pot is glazed, the leaf is pressed
Image of the plate with glaze iron_satIron_Z2V_0 and leaf wash leaf_Z3C.
oxidation firing to cone 10 in an electric kiln
Firing profiles
Up Fire profile
Down Fire Profile
Clay body is a crystal springs porcelain from Georgies in Portland.
glaze composition
Empirical Formula iron_satIron_Z2V_0 :
Na2O 0.30
Li2O 0.27
CaO 0.18
MgO 0.06
Fe2O3 0.20
P2O5 0.04
Empirical Formulae of leaf wash glaze leaf_Z3C:
Li2O 0.45
P2O5 0.19
TiO2 3.44
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, leaf_Z3C.