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Black Terra Sigillata -  Warm black at 06-----
 
I start with prepared redart sig
 
1915 grams -or 1997 ml -or 67.5 oz (a little more than 1/2 gallon)
 
add:
Manganese dioxide         20g
Cobalt carb                     40g
Black copper oxide          20g
 
Toxic - don't bite your fingernails with this stuff on your fingers.......
 
Submitted by Suzanne Conine
 
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