Cone 05 recipe

XAVIER’S WARM JADE GREEN - A food safe semi-matte, butter finish glaze.
Talc.......... 9.0%
Whiting.......... 16.0%
Custer Feldspar....... 40.0%
3124 Ferro Frit...... 9.0%
EPK..........10.0%
Silica 325.........16.0%
ADD:
Copper Carbonate......4.0%
Rutile..........6.0%
Brushing Medium..... 1.8% [add only if brushing on]
You can vary the Copper Carbonate from 3-5% with great results and still be food safe.