Whiting................................ 4.00%
Frit 3195 (Ferro)................ 40.50
G-200 Feldspar.................. 16.50
Bentonite.............................. 2.50
Edgar Plastic Kaolin ............ 6.50
Flint (400 mesh)................. 30.00
.........................................100.00%

Color variations are possible with the following additions:

A base matt glaze was adapted from a recipe given by Father Anthony Bella-sorte in the February 1994 CM.

Whiting............................ 21.51 %
Zinc Oxide......................... 9.14
G-200 Feldspar.................50.54
Edgar Plastic Kaolin .........12.90
Flint (400 Mesh)................. 5.91
.......................................100.00%
Add: Bentonite ................. 2.15%
Light Rutile....................... 5.38 %

For Bronze Green Matt, add 0.5% cobalt oxide and 3% copper carbonate; for Bronze Blue Matt, add 1% cobalt oxide.

I use commercial stains to lessen the pitting and bubbling common to low-fire glazes colored with oxides and carbonates. The use of stains also widens the choice of colors. I opacify most of the Cone 06 glazes for true colors on the dark red earthenware clay we use, as its fired strength is superior to white or buff earthenware bodies. The red earthenware is also more plastic and forgiving, an important consideration for beginning potters.

Glossy Clear Base Glaze
(Cone 06)

Frit 3124 (Ferro) ............... 85.0%
Edgar Plastic Kaolin .......... 15.0
..........................................100.0%

Color variations are possible with the following additions: