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RonSa

Glaze Problem

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Any thoughts as to what I may have done to cause this defect?

I used an immersion blender to mix the glaze, sieved to 85 mesh the next day then used the blender again. Next I stirred the pot before dipping each soup mug into the bucket and I see this on all 8 of the mugs.  I dipped upside down into the bucket and held in the air long enough to prevent runs and catch the drips.

DSC_1312-c.jpg.c2f25d2a6c59bf197f8e258649f63b25.jpg so I'm guessing its not a drip.

^6 stoneware

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For what it's worth I wouldn't call it a defect, it's what titania does. If you don't like it then have you tried the recipe without it?

(6464 is zirconia and vanadium btw)

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And upwards of 1.5% in the stoneware clay.  Could be something else bleeding at the glaze break line, but looks like TiO2 from here. Crystalline glaze is notorious for titanium bleed, certainly reminds me of it. Maybe it's Dark Vader rutile, Joel spoke of. Sorry, making light of it. 

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