[Clayart] Dust-free temmoku

ronroy at ca.inter.net ronroy at ca.inter.net
Sun Jul 7 10:46:24 EDT 2019

Hi Jeff,

They are crystals and it's the MgO that does it.

Crash cooling down to 900C should have some effect but that may have  
unwanted effects on other glazes.


Quoting Jeff Lawrence <jefflawr at gmail.com>:

> Hi,
> I am plagued by too much teadust, in my temmoku and even in other,
> putatively glossy, glazes. The problem gets worse when I slow cool, but
> exists even without fire-down shenanigans.
> I'm going to mix up some tests that minimize Mg in hopes of starving
> nascent pyroxenes of that ingredient, but can't put my ideas to trial by
> fire for a few days. In the meantime, I'd appreciate any experience and/or
> thought experiments from clayart about what conduces to or inhibits teadust
> formation.
> Thanks in advance
> Jeff
> Jeff Lawrence
> jefflawr at gmail.com
> jeffreylawrence.net
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Ron Roy
ronroy at ca.inter.net
Web page ronroy.net

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