Clear Crackle

 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