Metallic oxides with 50% Ferro frit 3134 in crucibles at cone 6ox. Chrome and rutile have not melted, copper and cobalt are extremely active melters. Cobalt and copper have crystallized during cooling, manganese has formed an iridescent glass.
Pages that reference this post in the Digitalfire Reference Database:
Chrome Oxide, Ferro Frit 3134, Rutile, Manganese Dioxide, Cobalt Carbonate, Cobalt Oxide, Copper Oxide Black, Iron Chromate, Iron Oxide Red, Fe2O3, Cr2O3, CoO, CuO, Refractory, Flux, Crystallization, Melting Temperature, Metallic Glazes, Colorant
This post is one of thousands found in the Digitalfire Reference Database. Most are part of a timeline maintained by Tony Hansen. You can search that timeline on the home page of digitalfire.com.