Stoneware Glazes
(1250°C and above)

Submitted by

Jane Gibson

Recipe

Feldspar	20
China Clay	40
Magnesium Carbonate	20
Flint	20

Formula

Seger formula from the Glaze Calculator 1 : 0.7 : 3.14

Application and Firing

This looks just like cracked mud! Fire cone 9-10. Add oxides for colour: Cobalt 1/4 -1/2 %, Red iron 2-10%, Copper 2-10%

Credits etc

 

Submitted by

Keith Booth

Recipe

Potash Feldspar	16
China Clay	48
Whiting	32
Colemanite	4

Formula

Seger formula from the Glaze Calculator 1 : 0.6 : 1.6

Application and Firing

This glaze gives the white stony finish used on his 'Rock Pots'. Matures at 1280°C.

Credits etc

 

Submitted by

Martin Lake

Recipe

Whiting	10
Feldspar	60
Fremington clay	30
+ Iron Oxide	7

Formula

 

Application and Firing

Broken shiny tenmoku in reduction at 1280°C

Credits etc

Emmanuel Cooper Cooper's Book of Glaze Recipes

Submitted by

David C White

Recipe

Nepheline Syenite	8
China Clay	3
Calcined China Clay	2
Cliffe Clay	1.5
Calcined Cliffe Clay	4
Optional Potash Feldspar	1.75

Formula

 

Application and Firing

Cliffe clay a low-firing red earthenware clay which is found in a seam running though the Cliffe Marshes on the south bank of the Thames. Try any local red clay. To Calcine the clay, dry it to a powder and sieve through a 60s mesh and include it in a biscuit firing (900°C). Apply thinly and fire in reduction to 1260-1280°C (Orton cone 9)

Credits etc

 

Submitted by

Doris Mitchell

Recipe

Potash Feldspar	25
Wollastonite	27
China Clay	12.5
Ball clay, black	6
Flint	26
Talc	3
+ Bentonite	3

Formula

Seger formula from the Glaze Calculator 1 : 0.4 : 3.71

Application and Firing

I use this glaze a lot but despite the 3% Bentonite it settles badly. On a good day it gives a very smooth finish, from buttery to high gloss.

Credits etc

Originally a Nigel Wood recipie which I have modified

Submitted by

David Melville

Recipe

Sheppy clay	60
Mixed wood ash	20
Crushed Chalk	20

Formula

 

Application and Firing

No details supplied

Credits etc

 

Submitted by

Nelly Harris

Recipe

Potash Feldspar	500
Whiting	200
either China Clay	200
or Clay from the body	200
Bone ash	100
+ Light Rutile	50

Formula

 

Application and Firing

More interesting when applied over coloured slips. Suitable for raw glazing in an electric kiln up to 1250°C

Credits etc

 

Submitted by

Louise Hummerstone

Recipe

Potash Feldspar	301
Borax Frit	35
Whiting	47
+ Copper oxide	1.5
+ Tin oxide	4

Formula

 

Application and Firing

Reduction firing to 1280°C

Credits etc

Janice Tchalenko

Submitted by

Kazumi Harnett

Recipe

Cornish stone	50
Whiting	20
China clay	15

Formula

Seger formula from the Glaze Calculator 1 : 0.38 : 2.08

Application and Firing

Semi opaque, smooth surface. Apply thinly. Good over coloured slips. Fire cone 8-9.

Credits etc

from City Lit

Submitted by

Colleen Davies

Recipe

Cornish stone	60
Whiting	20
China clay	20

Formula

Seger formula from the Glaze Calculator 1 : 0.44 : 2.33

Application and Firing

This glaze has a fabulous silky warm finish and a bluish hue under heavy reduction on prcelain.

Credits etc

Derek Emms

Submitted by

Liz Stace

Recipe

Potash Feldspar	4.5
China clay	1.25
Whiting	0.5
Dolomite	2
Cornish Stone	2
+ Manganese	0.06

Formula

Seger formula from the Glaze Calculator 1 : 0.33 : 1.54

Application and Firing

This glaze matures between 1240°C and 1280°C. The small addition of manganese warms the colour. I use lbs in the units above so I get just over 10lbs of glaze and I add one ounce of Manganese.

Credits etc

 

Submitted by

Marilyn Williams

Recipe

Nepheline Syenite	44
Whiting	15
Zinc Oxide	6
Ball Clay	35
China Clay	6
+ Nickel	2
+ Iron Oxide	2
+ Cobalt Oxide	3
+ Manganese Dioxide	1

Formula

Seger formula from the Glaze Calculator 1 : 0.83 : 1.65

Application and Firing

Fire in reduction, 1280°C

Credits etc