Kyanite ground to 325 mesh, a fine powder. We also carry Kyanite 35 Mesh and Kyanite 200 Mesh.
Test before you use it, at any scale. Raw materials are mined, and they are not consistent. Color, strength, particle size and chemistry can change from one bag to the next and from one supplier to another, even when the name on the bag stays the same. Before you use this material in a glaze, slip or clay body of any size, mix a small test batch, fire it on your own clay in your own kiln, and check the results.
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