The dark glaze underneath breaks through.

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Comment by Troy Bungart on April 1, 2013 at 12:09pm

I think that you can get volcanic ash at just about any ceramic supply shop. I have gotten mine most recently from Bailey's.

Comment by Brian Dean on April 1, 2013 at 10:13am

My wife has been looking for a turquoise like this and such an effect. Nice piece. Where do you procure Volcanic Ash?

Comment by Troy Bungart on December 12, 2012 at 4:56am

Yes Donna you'er right. I guess that I have tweaked this recipe around a bit and stopped taking it back to 100. The copper and tin are not in percents they are just a number.

Comment by Donna Kat on December 12, 2012 at 4:51am

Wonderful piece and glazing by the by

Comment by Donna Kat on December 12, 2012 at 4:43am

Since the glaze does not add up to 100% are you adding in a 106 gram recipe 10.6 tin and 6.36 copper or is the % really just treating the recipe as 100?  I know that is an odd question but I am thinking the Bentonite and Magnesium got added after the fact in the recipe so the two colorant/opacifiers are as they are and not %.  Curiousity running my mouth here.   

Comment by Kabe Burleson on December 11, 2012 at 10:51pm

Thank you Tony for the recipe. looks like fun. Happy firing.

Comment by Troy Bungart on December 11, 2012 at 9:15pm

I don't know where I got this glaze and I don't know how much I have changed it over the years. I am a pretty bad note keeper.

Cone 6 electric

Volcanic ash 82

Whiting 8.3

Lithium carbonate 7.6

Gerstley borate 2.1

Bentonite 1

Magnesium carbonate 5


6% Black copper carbonate

10% Tin

This is the blue green glaze over the Tenmoku style glaze which is breaking the surface like an oil spot glaze.

Comment by Carl Ray Crutchfield on December 11, 2012 at 9:23am

yes, could not agree more, one of the hardest things for me is to know when to stop glazing. 

Comment by Troy Bungart on December 11, 2012 at 7:59am

Thanks Carl,

Anyone can over work a pot disguising poor technique, I like to keep it simple. Sometimes the hardest thing to do is let a simple form be what it is. 

Comment by Carl Ray Crutchfield on December 11, 2012 at 7:53am

gorgeous glaze effect and beautiful form.  


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