Oxford Clay

127. What is Cornish Stone in Pottery and What Can You Use Instead?

August 23, 2026·12 min
Episode Description from the Publisher

Join me for this episode of the podcast, where I talk about what Cornish stone is, what Cornish stone is used for in pottery, and some alternatives if you can't find Cornish stone from pottery suppliers near you.*Always use an FFP3 Face Mask when making Pottery Glazes to protect your lungs from the silica dust in pottery glaze-making materials.The glaze recipes used in this episode are:Recipe 140 parts - Soda Feldspar40 parts - Sieved Hardwood Ash20 parts - QuartzRecipe 240 parts - FFF Feldspar40 parts - Sieved Hardwood Ash20 parts - QuartzRecipe 3 (not good!)40 parts - Sieved Hardwood Ash60 parts - QuartzWatch the video version of this episode on YouTube✨Support the Podcast-------------------------------Resources for Potters:⭐ Pottery Paperback Books available from AmazonFree Pottery Guides:🆓 Download the Free How to Make a Pottery Glaze Workbook (suitable for beginners):🆓 Download the Free How to programme an Electric Kiln for bisque and stoneware glaze firings (includes full kiln firing schedule)

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