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Selenium, Sulfur, Reactive (000009, 001009, 001019)
See Bullseye Reactive Potential charts for more information
May have a dappled surface.
A copper glass. May have dark color reaction at interface with cadmium/selenium or sulfur glasses including 000125, 000120, 000126, 000137. May have a red-hued color reaction with Reactive glasses such as 000009, 001009, 001019. Tests fired to a full fuse indicate that Robin’s Egg Blue Opalescent reacts visibly & with an intensity similar to 000216.