I am looking for a nice dark grey Celadon for Cone 10 reduction. After looking through John's book and a few others, it seems that the usual colorants for these glazes are highly toxic (Nickle oxide, iron chromate, uranium oxide). Are there other good oxide colorants out there or should I look for stains?
The Medal of Honour - I started teaching as an Adjunct at Sheridan College School of Craft and Design I think around 2000. Mary Philpott graduated from Sheridan in 1998 and h...
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