Pancioli on tue 27 feb 01
Oops. Sorry Patrice. You DID say reduction. I read your message too
fast.
We have some recipes for you and will have even more tomorrow. We are
firing our Geil today with more than a hundred tests (and pots). Unless
a lot of clayarters are interested in cone 6 reduction, I will answer
you off line.
Diana
Marcia Selsor on tue 27 feb 01
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Dear Patrice,
This is a nice clear and good celedon. Haven't tried it with GB
substitutions yet. Still have 100lbs of GB
I also attached "10 best ^6 reduction glazes" used for 20 years at
Montana State University-Billings. If it doesn't come through, look for
that title in the Clayart archives.
Best wishes,
Marcia
Whiting 18.5
Neph. Syn 25.8
EPK 18.8
Silica 31.1
Gerstley Borate 4.6
For nice celedon 1.5% Red Iron Oxide
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Marcia Selsor
selsor@imt.net
http://www.imt.net/~mjbmls
http://www.imt.net/~mjbmls/Tuscany2001.html
http://www.imt.net/~mjbmls/Gallery.html
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Montana State University-Billings
^6 Our Best Reduction Shop glazes
1.Sexy Black (satin matt)
Whiting 11.75
Kona F4 Feldspar 54.5
EPK 6.5
Silics 25
Red Iron Oxide 10
Manganese Dioxide 2.5
110.25
Nice black matt glaze, does not run. Gold flecks develop in good reduction
Use caution with Manganese.
2. Marci's Matt
EPK 23
Dolomite 20
Neph. Syn. 38
Silica 18
Whiting 4
Gerstley Borate10
113
Lots of possibilities
a. Blue 1% Cobalt Carb
b. Light Green 1.5 % Nickel Carbonate
1.5% Red Iron Oxide
c. Light Blue .5% Cobalt Carbonate
2.5% Rutile
d.Gray Blue .5 Cobalt Carb
1.5 Nickel Carbonate
2.5 Rutile
e. Gray 2.5 Rutile
1.5 Nickel Carb.
f. Warm Tan 2.5 Rutile
2.5% Red Iron
"The surface is great for baking dishes. It is non-stick." Joyce Taylor Mayer
3. Clear (semi matt)
Whiting 18.5
Neph. Syn 25.8
EPK 18.8
Silica 31.1
Gerstley Borate 4.6
For nice celedon 1.5% Red Iron Oxide
4.Plum
Whiting 10
Silica 20
Custer Spar 30
Yellow Ochre 10
This can settle rock hard (add epson salts 2tbsp. per 10,000 grams) Good Iron Red/plum
5. Ohata Red
Bone ash 14
Dolomite 8
Ger. Borate 4
Lithium Carb 4
Custer Spar 52
Kaolin 6
Silica 12
Add Red Iron Oxide 8
Great Tomato Iron red with gold flecks in the sun!
If thick it goes black.
6. Paul's Yellow
Frit 3134 45
Barium Frit 3247 20
Dolomite 10
EPKaolin 5
Zircopax 15
Whiting 3
Red Iron Oxide 3
Matt yellow very dry when thin
7. Turquoise
Neph Syn. 61.27
Strontium Carb 31.94
Silica 2.47
Copper Carb. 2.85
Lithium Carb. 14.7
May not be food safe. Nice smooth matt glaze.
8. Hammer Red Black
Custer Feld. 50
Ball Clay 10
Silica 10
Whiting 15
Iron Oxide 15
Thin is plum red, thick is black
9. Web Red (from Clayart
Neph. Syn 55.33
Gertsley Borate 12.61
Whiting 10.71
Silica 21.35
Add
copper carb .39
tin oxide .99
Oxblood use 1.5% tin
.4 copper carb
.4 Iron Oxide
11. Waxy White Liner (this base from a handout from Pullman, Wa. 1980)
Gerstley Borate 20
Neph Syen 30
EPK 13.3
Whiting 9.4
Talc 17.4
Silica 10
Zircopax 15
114.9
Good functional base glaze with these variations
Pumpkin (Oakleaf) 5% red iron oxide, 3% rutile
Gold 3% Rutile
Lavender 4% cobalt Carb (use sparingly)
Light Blue .5% cobalt carb and 3% rutile
Spicey Mustard 3% iron oxide plus 3% rutile
12. Nelson's Base (from the famous textbook recently heralded on the book thread)
Custer Spar 64
Whiting 18
Ball Clay 9
Talc 5
96
Teal .75 Chrome (use Green Mason Stain 3%)
.25 Cobalt Carb.
Speckled Green .4% Cobalt Carb
2.5 Iron Oxide
Tan 3.5% Rutile
Blue 2.8 Cobalt Carb
Speckled Toad 8% Red Iron Oxide
13. F. Carlton Ball's Base
Custer Feldspar 36
Whiting 17.8
Cornwall Stone 17.8
Ball Clay 9
Rutile 12.9
Zinc 6.5
100
Speckled Green .25 Cobalt Carb plus 2.5 Iron Oxide
14.Linda's Moss Black (Actually a caramel turns bluer with age)
Kona F4 54
Whiting 14.7
Bentonite 2.4
Gerstley Borate 4
Neph Syen 6
Kaolin 2.66
Talc 3.5
Silica 11.6
Zircopax 2.0
102.86
Add
Red Iron Oxide 8
Rutile 6
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tomsawyer on tue 27 feb 01
Diana,
You wrote:
"Oops. Sorry Patrice. You DID say reduction. I read your message too fast.
We have some recipes for you and will have even more tomorrow. We are firing
our Geil today with more than a hundred tests (and pots). Unless a lot of
clayarters are interested in cone 6 reduction, I will answer you off line."
Diana, initially, I had this post all ready to go off list to you directly
but now feel that this might be appropriate for a list answer by you. If its
not too much trouble, I'd love a copy of your results, as I am planning to
do some Cone 5-6 glaze firings in addition to cone 9-10 where I've been
working.
In addition I have a second reason for responding on list; namely, I would
like all the listserve to know how wonderful it was meeting you in person
and having you as a house guest. Guys/gals who haven't met Diana, you've
missed something. p.s. buy her book, its great.
Hope all is well.
Tom Sawyer
tsawyer@cfl.rr.com
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