[Clayart] white crackle raku glaze

David Lyons lyonsd at plbb.us
Mon Jul 4 23:44:19 EDT 2016


This is the glaze I use. Fire to cone 06 let it cool to between 1100 and1050 in the kiln. Remove and listen for the soft "ping" sound of the crackles developing, then reduce. 
Dave Lyons


Sent from my iPhone

> On Jul 4, 2016, at 12:58 PM, MGordon via Clayart <clayart at lists.clayartworld.com> wrote:
> 
> I have the same glaze.. called "clear crackle" but fires to a white with big crackle pattern. After the glaze smoothes out remove from kiln & allow to cool so the crackle can develop or you might even try fanning it slightly, I use pine needles to reduce in a can. Hardly any clean up. Mike Gordon
>> On Jul 4, 2016, at 9:26 AM, Sharon Wetherby via Clayart wrote:
>> 
>> Phyllis,
>> The following is a two-ingredient raku crackle glaze that the Lockheed
>> Martin potters have used for years.  It is clear, but looks white, applied
>> on white clay bodies.
>> 
>> Gerstley, 80%; Neph Syenite, 20%.  Source/notes:
>> 
>> Source: Pam Summers, Raku Artist in Fort Worth, TX.
>> Application: Apply to bisque by brushing, dipping or spraying. Allow each
>> coat to dry till the sheen disappears. Each coat should be the thickness of
>> a playing card. Dry completely before firing. Protect from dust.
>> Firing Results: In oxidation glaze is a clear crackle with uncolored
>> cracks. In redux it is a crackle white with black lines.
>> 
>> Sharon Wetherby
>> Fort Worth, TX
>> 
>> On Mon, Jul 4, 2016 at 10:42 AM, Phyllis Canupp via Clayart <
>> clayart at lists.clayartworld.com> wrote:
>> 
>>> Hello Clayart Family
>>> 
>>> I am looking for a recipe for white crackle raku glaze that is VERY glossy
>>> and has very large crackles. I used one like this over 20 years ago but can
>>> no longer find the recipe. The one I used had only 2 ingredients.
>>> 
>>> Thank you for your help.
>>> Phyllis Canupp
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