Giddy Posted November 1, 2015 Report Share Posted November 1, 2015 A challenge for you glaze experts. Is anyone able to hazard a guess to a glaze recipe for the attached image. It's something that I made years ago in high school where the buckets of glaze were a bit of a mystery. You used to dunk and hope, the technician had the knowledge and wasn't sharing! If anyone has a similar style of glaze they could point me to that would be great. Link to comment Share on other sites More sharing options...
curt Posted November 1, 2015 Report Share Posted November 1, 2015 I'll grab the low hanging fruit and say one of the ingredients is cobalt (or a commercial blue stain? ) It is rather a bright kind of blue, reminds me of the kinds one gets with alkalis like lithium. Is this a low fire or high fire clay, or put another way, what is the red clay underneath the glaze? Is it terracotta? A few more pics of different parts of the put might help.... Link to comment Share on other sites More sharing options...
High Bridge Pottery Posted November 1, 2015 Report Share Posted November 1, 2015 If it's cone10 I know this one. Looks close to the one you posted. Link to comment Share on other sites More sharing options...
alabama Posted November 1, 2015 Report Share Posted November 1, 2015 Years ago the college hours were gauged by quarter hours...and at the end of each quarter, the person who missed the pottery dept. clean up day was given the task of cleaning out the sinks clay trap. It was put in a 5 gallon bucket where the instructor added chemicals and frits, etc. The bucket was labeled mystery glaze. Sometimes it worked and when it did, everyone knew they had til the bucket was low to use that particular glaze. Sometimes if the instructor felt she could tweak the glaze to make it work, she would. As for your mystery glaze, just find something close and like it.:-) Make lots of test tiles and notes! Alabà ma Link to comment Share on other sites More sharing options...
bciskepottery Posted November 1, 2015 Report Share Posted November 1, 2015 Looks like you have a black firing clay with white slip to accent the texture. A good possibility for the glaze is Bright Sky Blue from Mastering Cone 6 Glazes. http://www.masteringglazes.com/mastering-cone-6-glazes/glazes/bright-sky-blue-on-tan.html If you google the glaze name, you should be able to find the recipe. Link to comment Share on other sites More sharing options...
Giddy Posted November 2, 2015 Author Report Share Posted November 2, 2015 All good suggestions. I'm willing to test them all... Sounds good fun. I think it's a bog standard stoneware clay, it was a school with a tight budget. Much of the glazing was a mystery to us. Plunge and hope. We too had a bucket that everything was emptied into and this may well have even one. And Joel, yes that looks similar... What is it? Link to comment Share on other sites More sharing options...
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