Greg Johnston on fri 14 jan 00
Hello potters,
I'm a high schooler in Colorado experimenting with raku. I've been working
with raku for about two years now, but I've never actually made my own
glazes before. I would like information on simple glazes and places to find
the ingredients. Any ideas?
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Dannon Rhudy on fri 14 jan 00
The two simplest I know are these:
Gerstley Borate 80%
Nehpeline Syanite 20%
and (Piepenburg):
Cornwall Stone 80%
Nepheline Syanite 20%
You can add colorants in the form of oxides or stains to
either of these. They both crackle well. In my experience,
Piepenburg's has a more interesting crackle pattern
Cornwall stone will be more expensive than Gerstley Borate.
The materials are available, no doubt, from Mile Hi Ceramics in
Denver.
regards
Dannon Rhudy
potter@koyote.com
At 03:11 PM 01/14/2000 EST, you wrote:
>----------------------------Original message----------------------------
>Hello potters,
>
>I'm a high schooler in Colorado experimenting with raku. I've been working
>with raku for about two years now, but I've never actually made my own
>glazes before. I would like information on simple glazes and places to find
>the ingredients. Any ideas?
>______________________________________________________
>Get Your Private, Free Email at http://www.hotmail.com
>
Don Goodrich on tue 18 jan 00
Alisa,
Here are a few colorant percentages for the 80 GB / 20 Neph Sy raku glaze:
Copper Lustre: add .03 copper carbonate, .01 red iron oxide
[that's 3 percent, 1 percent...]
Gold Lustre: add .05 silver chloride
Light Blue: add .02 cobalt carbonate
Turquoise: add .01 cobalt, .01 chrome
I haven't used these in quite awhile (last time was '93), but the lusters
on the pots still look lustrous after years on the shelf.
Don Goodrich enduring the snow in Zion, Illinois
goodrichdn@aol.com
http://members.aol.com/goodrichdn/
Alisa wrote:
>I also have used the 20/80 GB and Neph. Sy. recipe when I was in school.
>Do you have a certain precent for Silver Nitrite that you add?
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