John Britt on sat 15 jan 05
Kate,
Cat litter is basically coarsly ground Missouri Fire Clay. The "clumping"
litter has bentonite in it which swells when moisture hits it and the
clump can then be removed.
I had a article in Ceramics Monthly June/July/Aug 2001 called "Over the
Counter" which discussed this and other "local materials" for the urban
potter.
Hope it helps,
John Britt
www.johnbrittpottery.com
lela martens on sun 16 jan 05
We gotta get this gal on `I Want to Be a Millionaire`or `Jeprody`.
Lela
>
>Montmorillonite - a first cousin to bentonite.
>Clumping litter puffs like crazy when saturated,
>and re-shrinks as it dries - not a great choice
>for a conventional glaze, though it might do as
>an additive in small quantities.
>
> -Snail
>
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