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Venicemud

Yellow Ochre

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Is there a difference between yellow ochre and yellow iron oxide?  I want to make up a test batch of Hannah's Fake Ash glaze but it calls for yellow ochre which I don't have in my pantry and which Laguna does not have in its online catalogue.  They do have yellow iron oxide listed however.

 

Thanks, Joan Klotz (Venicemud)

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Yellow ocher is a naturally occurring iron oxide/hydroxide. As such there are variations as with any mined mineral. It is also made synthetically. I would guess that the Laguna yellow iron oxide is synthetic, but it may be close enough to meet your needs. The only way to know is to try it.

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My favourite celadon is quite sensitive to changes in formulation, and uses ochre for a colourant. Last batch I mixed, I was about 50g short, so I used some yellow iron I had instead of running to the a$$ end of the other side of town to get more. It did make a difference in colour. The new batch is a bit more of a yellow green, rather than a Koryo blue green. Still good though.

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