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New to ceramics and just learning about glazes. I am using found clay to make earthenware sculptures that I am firing at 06 (and which can withstand temperatures up to 02 before melting). I want to use ground up oyster shells (essentially CaCo3, or whiting) in the glaze for these pieces. The use of the oyster shells is conceptually related to the project i.e. they must me an ingredient in the glaze. I would like the glaze color to be light grey to white in color and preferably on the glossier side. Translucent to opaque is fine. I am not terribly concerned with perfection in the glaze (crazing, bubbles, unevenness are almost desirable) as long as the glaze adheres to the earthenware and doesn't easily flake/crack off. Where would I begin finding/creating a recipe for such a glaze? I have done my reading research on glazes but have never mixed a glaze myself. Any and all advice much appreciated. Thank you!
Guest posted a gallery image in Members GalleryThis handbuilt bottle form shows the marks left by Josh Query's "manmade "seashells". The mix is 50% plaster, 50% whiting, and salt water to mix the stuff up with. Josh wanted shapes of marks that were more rectilinear than what naturally happens with scallop shells. Was fired in the spring 2017 firing of New Hampshire Institute of Art's #Fushigigama. Was in the last rear stack of shelves.
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