In image, left: glaze shown on light stoneware; right: glaze on light stoneware over a mixture of 75% red clay and 25% JM frit 169 (can substitute Ferro frit 3134).
Specific gravity: 1.60 (but can range from 1.25 to 1.60). I applied this glaze by brushing on two coats. Like any other crawling glaze, this needs to be applied thickly. When drying, the glaze should crack, but not lift.
John’s Beads melts better at cone 6 for raised, smooth, round islands or beads, rather than rough-edged beads like in Ball Crawl (see page 51). This difference in texture is due to the additional flux from zinc, a strong flux at cone 6.
This recipe was sourced from John Britt’s blog: http://johnbrittpottery.blogspot.com/2015/10/beads_23.html.
This recipe was shared by Alisa Liskin Clausen in the February 2020 issue of Ceramics Monthly.
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