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ood fire/ash glazes/ground up rocks

updated thu 29 apr 04


Lee Love on wed 28 apr 04 wrote:

>matter. I'd like to know if it can be calcined like granite or is
>crushing the only alternative. This rock is a banded hematite/jasper
>mix. When all is said and done my plan is to continue with my
>experiments the 40/40/20 slip glaze I started in my last kiln.
>Persistence takes a long time.
Hi Gary,

I buy all my stone here in Mashiko, already crushed by the
Clay Co-op's hammermills. For your harder rock, is it quarried
anywhere near by? A friend of mine in Minnesota experimented with
granite dust he collected from a granite quarry. Might be easier to
process than the whole stone.

Lee in Mashiko, Japan