I have the Gun Melal =5E6 Glaze for you. Works well on all clays. A nice =
black. Also a nice metallic black under floating blue where it overlaps.
Gun Metal Albany =5E5-6
Gertley Borate 11.22
Albany Slip Clay (real or Sub) 88.78
Copper Carb 7.78
Deb in Bolivar Ohio