John Gill Blue- with 3% copper over white slip. Super Turquoisey. Crazes Semi-transulscent. Cone 01. On top of earthenware covered with white slip.
All the same information as the image on the left except glaze is over a white slip that has vanadium yellow stain. The yellow slip and turquoise copper blue makes spring green.
Earthenware with White Slip, bisqued. Then, Gill + 1% Copper. I thought the 3% Copper was aggressive; I was searching for a celadon. Much more subtle coloration- translucent to sky blue.
Earthenware with White Slip, bisqued. Then, Gill + 2% Copper . 2% seems certainly like enough color, translucent thin, pools swimming pool blue. Depending on what you want, may be too much?
Earthenware with White Slip, bisqued. Then, a wash of black copper and gerstley borate, then John Gill +1% copper. Amazing how much more blue the glaze appears due to small amounts of black copper wash underneath (looks much more like the 2% or 3% Gill blue). Great details, depth, and information with the wash which goes green/olive where the glaze is thin.