Trevor Corp on fri 19 sep 97
Has anyone out there used Barnard Blackbird clay in a clay body? Have
any infor on it? Love a reply, Aimee Freas-Corp mail to Corp@ime.net
Also is Kathleen Kimble out there? Love to hear from you also!
Ron Roy on sun 21 sep 97
The analysis I have for Blackbird says it has 3.3 manganese and 20.27 iron.
The iron is ok but avaid breathing manganese if possible.
>----------------------------Original message----------------------------
>Has anyone out there used Barnard Blackbird clay in a clay body? Have
>any infor on it? Love a reply, Aimee Freas-Corp mail to Corp@ime.net
>
>Also is Kathleen Kimble out there? Love to hear from you also!
Ron Roy
93 Pegasus Trail
Scarborough,Canada
M1G 3N8
Evenings, call 416 439 2621
Fax, 416 438 7849
Studio: 416-752-7862.
Email ronroy@astral.magic.ca
Home page http://digitalfire.com/education/people/ronroy.htm
John Post on sun 21 sep 97
>Has anyone out there used Barnard Blackbird clay in a clay body? Have
>any infor on it? Love a reply, Aimee Freas-Corp mail to Corp@ime.net
Here's a claybody that I use in OXIDATION at cone 6-7(it bubbles and
blisters in reduction). It is a dark chocolate brown.
50# Barnard Blackbird clay
50# Ball Clay
25# Jordan or Goldart clay
25# Fireclay
10# Feldspar (I have used both Neph Sy and Custer with good results.)
*Add grog to suit your needs. I don't add it when I use it, but plates are
difficult to make without it. They warp too much when drying without the
grog added.
John Post
johnpost@c3net.net
The Shelfords on sun 21 sep 97
Tony Hanson wrote about Barnard clay/slip:
>Fired bars are very dark brown at cone 02 proceeding to black at cone 4.
>At cone 6 it is beginning to melt.
Tony, when I run Barnard clay through the Insight program, it appears to
have a unity formula consistent with being a complete glaze that would
mature at cone 6. But in fact, as you say, it is only beginning to melt at
^6. Any idea why the numbers seem to be misleading here?
- Veronica
____________________________________________________________________________
Veronica Shelford
e-mail: shelford@island.net
s-mail: P.O. Box 6-15
Thetis Island, BC V0R 2Y0
Tel: (250) 246-1509
____________________________________________________________________________
Kathi LeSueur on thu 14 apr 05
I've always used Barnard to stain carved bare clay areas on my work.
But my supply is down to about one pound and it's not available anymore.
Does anyone have a suggestion for a substitution? Perhaps Albany with
iron or something?
Kathi
John Anthony on fri 15 apr 05
Kathy- I just got a shipment of "synthetic" barnard, formulated by
the company that distributed the original. I'll be testing it in my
standard recipes in two weeks. If you want to check it out, email me
my your address, and I'll send you some.
John Anthony
http://www.redhillpottery.com
Jon Pacini on fri 15 apr 05
Greetings All----Hi Kathi----you wrote--- I've always used Barnard to stain
carved bare clay areas on my work.
But my supply is down to about one pound and it's not available anymore.
Does anyone have a suggestion for a substitution? Perhaps Albany with
iron or something?
The Barnard Sub that Laguna has, was developed with your type of application
in mind. It’s made primarily with Arroyo Slip and some added minerals. It’s
not a direct sub if you’re using it in glazes, but is meant to be used as a
wash or stain or addition to clay bodies.
Best regards
Jon Pacini
Clay Manager
Laguna
Rikki Gill on tue 13 nov 07
Hi Everyone,
I have a problem I don't know what to do about. I have a stash of
Barnard clay that is almost finished. It is an ingredient in a glaze that
is very popular, and I make a lot of my dinnerware in that glaze.
Is there a substitute for Barnard? If so, can anyone tell me what to try?
I would appreciate any help I can get.
Thanks,
Rikki Gill
rikigil@sbcglobal.net
www.rikkigillceramics.com
www.berkeleypotters.com
Lee Love on wed 14 nov 07
On 11/14/07, Rikki Gill wrote:
> Hi Everyone,
>
> I have a problem I don't know what to do about. I have a stash of
> Barnard clay that is almost finished. It is an ingredient in a glaze that
> is very popular, and I make a lot of my dinnerware in that glaze.
> Is there a substitute for Barnard? If so, can anyone tell me what to try?
Try your hand at recalculating. I just found a recipe
for synthetic nami jiro I came up with in glaze chem. It is on my
computer in here in Mashiko (could have used it in Minneapolis this
summer.) I will post it here so I can find it easily in Minneapolis
when I go back in the spring:
Cone 9. A frosty celadon, good over zogan or hakeme. Based on 3
woodash 2 Ball Clay 1 Amakusa:
Bone ash 2.169
Dolomite 7.557
EPK 47.604
Custer feldspar 22.138
Whiting 13.216
Red iron oxide 0.079
Silica 7.174
Magnesium carbonate 0.063
--
Lee in Mashiko, Japan
"Men are born ignorant, not stupid. They are made stupid by
education." -- Bertrand Russell
Craig Martell on wed 14 nov 07
Rikki Asked:
>Is there a substitute for Barnard? If so, can anyone tell me what to try?
Hi Rikki:
There isn't a material that you can directly sub for Barnard. It contains
about 34% iron which is much more than any of the other slips. The best
thing to do is use glaze calculation as Lee suggested. This will give a
better possibility of achieving the same formula with different raw materials.
regards, Craig Martell Hopewell, Oregon
lela martens on wed 14 nov 07
I ordered Barnard substitite from Greenbarn, Surrey, British Columbia.
It`s very much the same, so they just call it Barnard. The bag
says Laguna.
Best wishes from Lela
> Date: Wed, 14 Nov 2007 21:02:13 +0900> From: togeika@CLAYCRAFT.ORG> Subje=
ct: Re: Barnard clay> To: CLAYART@LSV.CERAMICS.ORG> > On 11/14/07, Rikki Gi=
ll wrote:> > Hi Everyone,> >> > I have a problem I =
don't know what to do about. I have a stash of> > Barnard clay that is almo=
st finished. It is an ingredient in a glaze that> > is very popular, and I =
make a lot of my dinnerware in that glaze.> > Is there a substitute for Bar=
nard? If so, can anyone tell me what to try?
_________________________________________________________________
Express yourself with free Messenger emoticons. Get them today!
http://www.freemessengeremoticons.ca/?icid=3DEMENCA122=
John Britt on wed 14 nov 07
Laguna makes a Barnard Substitute 758:
http://www.axner.com/axner/materials/slips.php
Hope it helps,
John Britt
www.johnbrittpottery.com
Jon Pacini on thu 15 nov 07
Greetings All ---Hi Rikki
The Barnard Sub that Laguna has is similar in effect for the real thing but
is not a direct sub. It was developed to replace Barnard in clay bodies that
we make and as a wash for textured clay surfaces. It does work in many
glazes as a sub, but because it is made up of a blend of minerals, rather
than being Barnard, it doesn't work exactly like Barnard would in every
case.
It may be a good place for you to start, but I'd say you are still going to
have to tweak it a bit for an exact match.
You might want to try Ron's formula that Lili posted as well.
Best regards,
Jon Pacini
Clay Manager
Laguna Clay Co
Ron Roy on mon 19 nov 07
Hi Rikki,
When you get through testing the substitutes - let me know if mine is close
enough - if not I can make some adjustments.
I would be happy to reform your glaze without barnard - it would be a good
idea to have that in reserve in case you need it some day - send me the
recipe.
Make sure you don't breath manganese dust or fumes on a regular basis.
David Shaner was convinced it's what killed him.
Better google manganese toxicity just so you know what you are dealing
with. There is new evidence that it can be a problem with ingestion as well
- something like the same symptoms as lead.
RR
>Hi Everyone,
>
>I have a problem I don't know what to do about. I have a stash of
>Barnard clay that is almost finished. It is an ingredient in a glaze that
>is very popular, and I make a lot of my dinnerware in that glaze.
>Is there a substitute for Barnard? If so, can anyone tell me what to try?
>
>I would appreciate any help I can get.
>
>Thanks,
>
>Rikki Gill
Ron Roy
RR#4
15084 Little Lake Road
Brighton, Ontario
Canada
K0K 1H0
Ellen Currans on wed 4 jun 08
ClayArt comes through again! =C2=A0 Many thanks to Hollis Engley, Jon Walls,=
Lili Krakowski, Ron Roy,
=C2=A0Lela Martens, Kathi Lesueur, and Rikki Gill, who all responded with ei=
ther offers of Barnard to sell,=C2=A0
suggestions of where to get it (or Blackbird) , and =C2=A0how to formulate a=
good substitute. =C2=A0 I have sent
all your good information on to Stephen Gerould, who couldn't believe the re=
sults we got from one
email. =C2=A0Why would anyone want to be without the networking and supporti=
ve help of Clayart?!!!
It is up to Stephen now to make the contacts. =C2=A0If you don't hear from h=
im consider that he has found=C2=A0
it elsewhere. =C2=A0You can go to his website at www.stephengerould.com to s=
ee his work and little bit about him.
With warm and fuzzy feelings for all generous and helpful Clayarters.
Ellen Currans
Dundee, Or.
Bill Merrill on sat 5 feb 11
Seattle Pottery Supply has their version of Blackbird (Barnard clay) I
still have and use the original and the SPS sub is good!!!
=3D20
SPS 1 -800-522-1975
=3D20
Bill Merrill
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