Cornwall Stone Substitute Stoneware Opal Glazes Laguna Clays are ready to

Laguna Clays are ready to use out of the box

Natural iron body with medium plasticity

there is no gain in drying properties (the most common reason for adding grog to clay bodies)

More plastic than porcelains but semi-vitreous to promote stability in the kiln

Can also tone down more intense colorants such as copper and cobalt

Cornwall Stone Substitute Stoneware Opal Glazes Laguna Clays are ready toThe original Cornwall Stone Mine is now closed, and this material is now produced synthetically by Laguna Clay Co. Because it was mined from granite rock (traditionally, from the Cornwall area, UK), it is actually composed of a combination of minerals, and the ratio of these chemicals could vary somewhat drastically. This means that potters who used this material over long periods may notice different results when using the same recipes. An advantage