Cone 10 Reduction
Nepheline Syenite 63.9
Dolomite 21.1
Zircopax 16.0
OM4 ball clay 4.3
——————————
105.3
Add:
1.0% red iron oxide
4.0% bentonite
This usually comes out as a very attractive light yellow. It reacts with iron in the clay body, typically forming brown spots and streaks.
The surface is matte
