Marc Mancuso on wed 13 sep 00
hi all--
A friend seems to think the blue glaze on a pot I made for her has
faded somewhat over the last six months. Onto a white stoneware body,
I sprayed a commercial cone 6 oxidation glaze, presumably containing
cobalt, that reliably fires to a somewhat runny tranparent deep blue
where thick. My friend's pot is a decorative object --not more than a
year old-- that does not come into contact with much of anything
except sunlight through a tinted office window.
I'd never heard of such decomposition happening in mature glazes, or
even in incomplete glasses for that matter, but I didn't want to
disagree with her at first. I've looked at the piece and I can't be
certain there's been any change at all.... Is there any precedence
for this?
thanks,
Marc
--
Marc Mancuso
mancuso@raw-art-works.com
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