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RuthB

Vintage Materials

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RuthB    14

I have several pounds of some "classic" materials that are no longer available, at least in these vintages.

 

The supply dates from the 90's, 80's and earlier. There's at least 25 pounds of each.

 

Cornwall Stone, Spodumene (Foote), Clinchfield Spar ( a high Pot Spar from 1960!) and Avery Kaolin.

 

I've been hanging on to them, thinking about the best way to use them up. Then, I thought... why not

ask some other long time potters! Any suggestions of classic recipes that used to work that didn't survive

one of these material's changes? Complimentary tea bowl with your glaze as a thank you for your suggestion.

 

Ruth Ballou

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JBaymore    1,432

Wood fire potters would KILL for getting their hands on that Avery!   Be careful now tha tthe word is out.... get a security detail on your studio.  ;)

 

best,

 

.......................john

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neilestrick    1,381

If you know the makeup of any of those, there's no reason you couldn't use them in a new glaze. Digitalfire may have the old analysis available. Lots of Cornwall and Spodumene recipes out there. As John said, that Avery is worth more than gold to wood fire potters. Put out a notice and sell it for big bucks! It flashes beautifully in wood and salt. Don't waste it in a glaze.

 

What type of firing do you do?

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Mark C.    1,807

Wow I did not know about the avery-I have to check as that may be in my stash

The spodume is one that works well on a toasting orange stone ware only glaze-I have a 78 year old potter friend who only can get that color with this material-she would love some more as I gave her mine.I would gladly buy it for her as a gift-you can PM me if you so feel.

The clinchfields I would use like any potash spar-kingman-custar etc.

The cornwall is one I have from that era and just use it as you normally would-if you want a glaze formula to use with it I can send you one buts its cone 10 reduction fired-what is your firing specifics as Neil asked??

Mark

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RuthB    14

I wood fired a lot in the 90's... hence the Avery. Yes, I am well aware of its value! My current kiln was built as a wood/gas kiln. It's been wood fired twice. First time the chimney was too short. Second time, the chimney was too tall. Third time, hopefully we'll hit the Goldlilocks spot. Some of the Avery will go in this firing. After that, the kiln will be fired with gas.... ^10. I also have electric, for ^6 or ^9 ox... A potter can never have too many kilns, eh? 

 

I'm not looking to use these in my existing glazes... I'm well versed in glaze calc and the software. I'm really looking for those "lost" glazes... the gorgeous spods, the "if only that old spar was still around" glaze, etc.  Clinchfield will go to some Celadons, but I was wondering if there was something else special that anyone remembers. 

 

I'll keep y'all posted with results...

 

Ruth

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Mark C.    1,807

I have a old school spodume glaze I'll dig up and post for you-works great with the old stuff.

Mark

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TJR    359

Just send me that Avery. Shouldn't cost you too much at the border. I will send you some jars of hand-picked wild choke cherry jelly.

Haven't seen Avery in years.

Tom

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TJR    359

Ruth... Those materials are pretty old...you better check the expiration date on the packages... they may not be good anymore :rolleyes:

They are probably not worth anything. Send the Avery.

Tom

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JBaymore    1,432

Hi Ruth........

 

I'm from the Federal Pottery Materials Investigation Bureau. I regret to inform you that the OLD bag of Avery Kaolin you have in your possession is seriously contaminated with a highly TOXIC material. This problem has been well kn ow with these old materials. It is necessary for us to retrieve that material from you ASAP. Please send us your street address so that we can come to pick up that dangerous material.

 

Thank you.

 

....john

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Mark C.    1,807

Ruth I cannot find my old school spodume glaze. I still have one place to look.

Mark

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