021 - Penumbra

US $60.65 US $48.52

Priced Per Pound

lbs. oz.
Price: $0.00

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Description

Penumbra – Named for the shadowy edge of a lunar eclipse, Penumbra is a reactive, silvered cobalt blue, reformulated from one of Paul’s old favorites. Different colors are produced from reduction or oxidation, primarily a wide variety of blues and greens. Reduction can create a luster that you can trap under a clear encasement. However, surface haze doesn’t burn off as easily as amber/purple type glasses.

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