Clear Crackle (Soldner's)

Gerstley Borate                               80g

Nepheline Syenite                           20g

Variations
ADD: Cobalt Carbonate                 1-3g

     results yeild blues, test amount of Colbalt for darker blue

ADD: Copper Carbonate                  1g
         Red Copper Oxide                  1g
         Red Iron Oxide                       1g

     results yeild iridescant greens

ADD: Vanadium Stain                  3-6g

     results yeild yellows, test for desired color

ADD: Black Copper Oxide             72g

     results yeild black, can give flashes under heavy reduction

ADD: Rutile                                  17g 

     results yeild light brown, mottled

ADD: Cobalt Oxide                        1g

        Yellow Ochre                         8g             

        Copper Carbonate               2g 

     results yeild copper lustre, don't apply too thinly

ADD: Copper Carbonate                2g
         Cobalt Carbonate                 1g                                   
         Yellow Ochre                         7g

     results yeild coppy penny lustre, heavy reduction needed

ADD: Copper Carbonate                3g

     mottled green to red, reduce heavily

Gold Raku

 Gerstley Borate             80g

Cornwall Stone              20g

Tin Oxide                         1g

Silver Nitrate                   2g

Copper Matte II

Copper Carbonate                90g

Frit 3110                               10g

Red Iron Oxide                       5g

Metallic Patina

Gerstley Borate                      40g

Bone Ash                                30g

Nepheline Syenite                  20g

Copper Carbonate                 10g

Red/ Green

Frit 3134                                      80g

Borax                                           10g

EPK                                               5g

Gerstley Borate                            5g

Black Copper Oxide                      3g

Copper Matte I 

Copper Carbonate          85g

Frit 3110                         15g

Bentonite                          2g