Claybottress Posted May 20, 2020 Report Share Posted May 20, 2020 Any clues why a luster fire yielded great results with white and yellow gold applications, but mother of pearl is non-existent? The temp was set to 01, and 018 and 019 witness cones melted, but not 020. So I don't think it got too hot - but maybe should have fired hotter? Thanks! Link to comment Share on other sites More sharing options...
neilestrick Posted May 20, 2020 Report Share Posted May 20, 2020 Why did you set it to 01? Did you then turn it off after watching the cones melt? 018 and 019 are hotter than 020. Link to comment Share on other sites More sharing options...
liambesaw Posted May 20, 2020 Report Share Posted May 20, 2020 They have much different firing temperatures From the Duncan overglaze guide: Note: When using metallics and lusters on the same piece, it is best to apply the metallic first, fire to witness cone 019-018, and then apply the luster and refire to witness cone 020. Link to comment Share on other sites More sharing options...
Claybottress Posted May 21, 2020 Author Report Share Posted May 21, 2020 6 hours ago, neilestrick said: Why did you set it to 01? Did you then turn it off after watching the cones melt? 018 and 019 are hotter than 020. Sorry that was a typo. I set it to 019. Link to comment Share on other sites More sharing options...
Claybottress Posted May 21, 2020 Author Report Share Posted May 21, 2020 I am coming to my own conclusion about the mother of pearl luster. I think it is extremely subtle and looks better when used on a bigger surface over a light glaze, not dark. I was using it as decoration, like one would with gold. I imagined it would look like white iridescent pearls on the pieces and really hold its own like the gold. Maybe the material is also too thin in the bottle. Something is amiss, but it might be a number of factors. I won't be using it again until I figure out what went wrong. The gold on the other hand, is sublime. Link to comment Share on other sites More sharing options...
liambesaw Posted May 21, 2020 Report Share Posted May 21, 2020 1 minute ago, Claybottress said: I am coming to my own conclusion about the mother of pearl luster. I think it is extremely subtle and looks better when used on a bigger surface over a light glaze, not dark. I was using it as decoration, like one would with gold. I imagined it would look like white iridescent pearls on the pieces and really hold its own like the gold. Maybe the material is also too thin in the bottle. Something is amiss, but it might be a number of factors. I won't be using it again until I figure out what went wrong. The gold on the other hand, is sublime. It fired too hot for mother of pearl, you can't fire it together with gold lustre. It actually looks quite good on dark glaze. Link to comment Share on other sites More sharing options...
Claybottress Posted May 21, 2020 Author Report Share Posted May 21, 2020 I just realized what you were saying and downloaded the guide. Had no idea that I had to fire the mother of pearl at a different temp than the golds. I get it now, and will try again. Thanks so much! Link to comment Share on other sites More sharing options...
Callie Beller Diesel Posted May 21, 2020 Report Share Posted May 21, 2020 Mother of pearl can be quite subtle. Don’t put it on too thick or it goes hazy and looks like snot. There is a sweet spot you want to find in terms of application thickness. Link to comment Share on other sites More sharing options...
Claybottress Posted May 22, 2020 Author Report Share Posted May 22, 2020 Yes, too subtle for me I think. I got snot! Thanks for all your sage advice, everyone. I think I will find a time and place for mother of pearl and this was all so helpful! Link to comment Share on other sites More sharing options...
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