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Amber Purple: Cooling, Annealing, and What Happens After the Torch

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Amber Purple glass continues to develop even after the torch is turned off. In this post, we explore how cooling and annealing affect colour stability, clarity, and depth, and why proper temperature control in the kiln is just as important as heat cycles at the bench. Understanding this phase helps prevent dulling, preserve colour, and…

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Amber Purple Glass: Origins, Chemistry, and Flame Reaction

Amber Purple is one of the most talked-about borosilicate colours, and one of the most misunderstood. Known for its shifting purples, blues, and ambers, it behaves very differently from standard transparent colours. In this first post of the series, we look at where Amber Purple comes from, how silver chemistry influences its behaviour, and why…

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