Brad Carter on sun 11 dec 05
Thanks to everyone who replied to my post =E2=80=9Cglazes with depth.=E2=80=
=9D I was=20
looking for recipes for glazes that break and change color over texture and=20=
edges=20
and glazes that have visual depth from crystalization. Numerous people=20
suggested glaze combinations that sound interesting. =20
I would appreciate it if others could share their favorite cone 6 glaze=20
combinations. I will kick this off with a glaze combo that was popular at=20=
the=20
Hyde Park Studio in Tampa, Florida, a few years ago. I have not used this=20=
combo=20
for years, so I apologize for the vague discription.
Judy Rohrbaugh: please note the illmenite in the first recipe.
Cone 6 Glaze combo: Metallic green over Asako white (or maybe it is white=20
over green)
ASAKO WHITE
Cone 6 oxidation
Silica 56
Whiting 188
Soda feldspar 516
Kaolin 154
Zinc oxide 86
Rutile 40
ADD:
Illmenite (powered) 30 (add this after sieving glaze)
Comments: as I recall, this is a semimatt off white that has some=20
speckling. Sometimes it has orange/tan areas of color.
METALLIC GREEN
Cone 6 oxidation
Ball clay 60
Dolomite 180
Gertsey borate 220
Spodumene 360
Tin oxide 80
Zircopax 100
Copper carbonate 60
Comments: as I recall, this glaze is very =E2=80=9Ccrystalline=E2=80=9D an=
d semimatt.
In combination with Asako white it is runny, but gives a nice blending of=20
green and white colors.
I hope this inspires others to share their favorite cone 6 glaze combos.
Brad Carter
Grass Valley, California
Ron Roy on fri 16 dec 05
The Asako white is short of silica so it will not be a durable glaze and
will probably craze.
The Metalic green is way short of silica so it will leach copper into food
- change the taste of orange juice for instance - and change colour with
some types of use - and the expansion is low so it may be a shivering or
dunting problem with some clay bodies - that would be esy to fix by
replacing some of the spod with spar.
RR
>Cone 6 Glaze combo: Metallic green over Asako white (or maybe it is white
>over green)
>
>ASAKO WHITE
>Cone 6 oxidation
>
>Silica 56
>Whiting 188
>Soda feldspar 516
>Kaolin 154
>Zinc oxide 86
>Rutile 40
>
>ADD:
>Illmenite (powered) 30 (add this after sieving glaze)
>
>Comments: as I recall, this is a semimatt off white that has some
>speckling. Sometimes it has orange/tan areas of color.
>
>METALLIC GREEN
>Cone 6 oxidation
>
>Ball clay 60
>Dolomite 180
>Gertsey borate 220
>Spodumene 360
>Tin oxide 80
>Zircopax 100
>Copper carbonate 60
Ron Roy
RR#4
15084 Little Lake Road
Brighton, Ontario
Canada
K0K 1H0
Phone: 613-475-9544
Fax: 613-475-3513
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