These are two larger chamsas, also with oxide experiments.
This is Chamsa 72 with cobalt and Queens glaze. I'm not sure if it's cobalt oxide or cobalt carbonate. I think it gives a more consistent blue than the Floating Blue glaze.
This is Chamsa 73 with copper carbonate and Queens glaze. I like the small streaks of bright green and would probably work better if it were applied more lightly.