Last Updated: Nov 22, 2016     Views: 884

According to our research scientist, Dr. Robert Brill, "a weak-moderate yellowish-green fluorescence (under either short-wave or
long-wave UV) usually indicates the presence of additive manganese as a decolorizer. It is a common response by non-lead glasses of all types of many periods. I do not recall ever seeing a green fluorescence response to any lead glasses. The fluorescence of any other elements would normally be masked by the strong ice-blue fluorescence of the lead.

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