Clay Body RECIPE
Margaret’s Porcelain Cone 9/10
29
26
21
16
8
2%
Grolleg
Tile 6
Custer Feldspar
Flint
Pyrophyllite
Bentonite
PROCESS ARTICLE
SOFT SLAB TEAPOT Article
by Margaret Bohls
Pottery Making Illustrated, March/April 2010.
Cone 10 Glaze RECIPES
White Satin Matte (Margaret's)
43
12
7
14
5
19
Custer Feldspar
Gertsley Borate
Dolomite
Talc
Kaolin
Flint
Note: Smooth consistent satin white. Best over white clay. Greyer over darker stoneware. Shows drips and overlaps.
St. John’s Black – cone 6-10
80
20
5%
Alberta Slip Clay
Nepheline Syenite
Cobalt Oxide 5%
Note: Very shiny black in oxidation, slightly metallic in reduction. I use this as a liner glaze for most of my pots. It is food safe.
Flat Matte Black cone 10*
42
15
10
23
10
6%
2%
1%
Cornwall Stone
Dolomite
Whiting
EPK
Flint
Yellow Ochre
Cobalt Carb.
Chrome Oxide
Note: This is, as it says, a flat matte. It is a very nice white without the colorants; slightly translucent. It is also an excellent base for other colors
*To use this glaze at cone 6, add 5% Gerstley Borate or 5% Ferro Frit 3124