leaves on a white ground
The leaves on all of these glazes have been stained with the same wash, alberta clay slip the consistency of thin slip suitable for painting.
The differences seen are the result of the interaction of the alberta clay with the different glazes, the thickness of the applied slip,
and the number of coats of slip applied.
This is a high alumina matte glaze.
The dark color of the leaf is the result of a heavy application of wash.
The fine sharp detailed veins result from a substrate which hardly moves.
This is a high barium alumina matte.
The color difference compared to the glaze above, shows the effect of the barium in the glaze on the albany slip.
The pale color is the effect of a thinner coat of wash.
The lesser contrast in the leaf itself is the result of a less strongly textured leaf.
This is a moderate alumina glaze with low silica:alumina ratio.
The alkali metals in the seger formula are nearly equal to alumina, making this a high alkali metal glaze.
This glaze contains titanium, which together with the low silica produce a matte glaze.
The palor of the leaf print, making it nearly ghostly is the result of
an exceptionally thin application of wash.
This is a high alkali metal glaze, with alk:alumina ratio ~1.2
the alk:alumina ratio is the ratio of the total alkali metals in the seger formula to alumina.
High alkali metals, together with high silica make this a full gloss glaze.
The titanium which this glaze contains contributes opacity and the lusterous rutile blue chun effect.
We show two versions of albany slip wash over this glaze, the variation seen is the result of the different relative proportions of wash
and glaze beneath.
This glaze is a high alkaline saturated iron glaze containing phosphorus.