Raku Pottery Glaze: Shiny Copper Flash

The flashing will vary with each firing. This was fired to 1875F and given medium post-firing reduction using newspaper after pulling from the kiln.

Shiny Copper Flash

%75 Gerstley Borate
      %12.5  Nepheline Syenite
      %12.5  EPK

    Add:
       %8 Copper Carbonate
       %2 Cobalt Carbonate
     

Raku Pottery Glaze: Copper Matt

The flashing will vary with each firing.  Both of these were fired to 1875F and given medium post-firing reduction using newspaper after pulling from the kiln.

Copper Matt

Add

%75 Gerstley Borate
      %12.5  Nepheline Syenite
      %12.5  EPK

    Add:
       %8 Copper Carbonate
       %2 Cobalt Carbonate

  Add:
       %16 Synthetic Bone Ash

     

Raku Pottery Glaze: Emerald Green Copper Flash

The raku glaze of the month is a greenish blue with copper flashes that will vary from firing to firing.

Emerald Green Copper Flash Glaze

Frit 3110:                                  30%
Frit 3124:                                  20%
Gerstley Borate:                       30%
Nepheline Syenite:                   20%
Copper Carbonate:                   5%