Some of your requested my previous tests of Erbium Oxide, Neodymium Oxide, and Praseodymium Oxide in Oxidation at Orton Cone 6.
Here are tests using my Cone 6 base, Celadon Clear, on Standard #551 porcelain. Two sets of photos, one in natural window light and the other in fluorescent light with appropriate adjustments to white balance. The color differences between light sources are more prominent in person. All recipes and photos available on https://glazy.org