I few days I read an informative post by "Mind Melt" about the Creation is Messy color Ming. If you don't know about this blog, written by Melanie Graham, it has wonderful glass color testing posts with lots of pictures and generous information.
It seems that Ming combined with Opal yellow can yield some crazy results. While my reactions were not as spectacular as hers they're still wildly frazzled.
(above) This is a base bead of Ming decorated with a stringer of opal yellow.
Click here to read her post on Ming testing.