Cheryl L Litman on tue 19 jan 99
I have just begun working with some commercial lowfire glazes and used a
few Duncan colors, one being the Mystic Jade, a crystalline glaze. I
fired a number of pieces to 018 to add gold and of all the pieces/glazes
only the mystic jade glaze looked very different after the overglaze
firing. It got muddied and lost the brilliant green color. None of the
other glazes changed color noticeably.
Does anyone know why this one would be more susceptible to change with
added heat? Has anyone who's used Duncan lowfire glazes noticed changes
in color if they do an overglaze afterward? Trying to avoid future
surprises.
Cheryl Litman
Somerset, NJ
email: cheryllitman@juno.com
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Judy Frederick on thu 21 jan 99
Cheryl,
Do you have a Duncan Color Guide? Around here they sell for $1.00 or so. I
looked up Mystic Jade in my book and can't find it. My book is 1997. Look up
the glaze in the charts in the center and it tells you how the glaze will
respond if fired at a high fire temperature. What cone does the bottle say
the fire the glaze at? If you can't find it, let me know and I can look in a
current book at my local store. I need to know what kind of Duncan glaze it
is, for example Crystaltones.
Judy in Baltimore.
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