Thermal Experiment Picture #5

By Brian Riecker; posted April 13, 2020

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Cd121 WGMCo royal purple before, after and after first time segment of UV exposure.

First stages of my heat altering experiment. Cut each piece into eight pieces. Saved one original of each, exposing the rest to varying lengths of UV exposure. Hoping the final piece ends up the same color as the original. The pieces that didn't change were purple blackglass and didn't change at all even at a higher temp.