Soluble ingredients in glazes always precipitate as angular crystals. Right?

Wednesday 14th August 2013

Wrong. These tiny spheres (actually they are not so tiny) form over time as a precipitate in a glaze having a high concentration of a boron frit and mixed in hard water. This may be an example of how interactions can affect the degree to which materials dissolve in water (in this case the electrolyte in the water could be a trigger). These are likely ooids.

Pages that reference this post in the Digitalfire Reference Library:

Ooids in Glazes, Precipitation, Water Solubility

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