I been testing glazes lately, searching for a crawling metallic glaze at cone 10. The middle image here is the best I've done so far, I like the reflective goldish in the cracks. The problem with it is that is got over-fired, so it needs to be fluxed down further. Unfortunately, it's a touchy glaze and only a certain percentage of it can be flux, so it's not as simple as just increasing the % of flux. The top image is my last batch of tests, where I switched to a more powerful flux. Melted at the right temperature, but I lost the gold in the cracks. Bottom image is my latest tests going into the kiln now. Wish me luck.
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