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Glass Discussion & Research. NO IDENTIFICATION REQUESTS here please. => British & Irish Glass => Topic started by: neilh on December 27, 2023, 11:42:12 AM

Title: Which compound is used to create rose/peach colour in Davidson pressed glass?
Post by: neilh on December 27, 2023, 11:42:12 AM

Here we have a small colour salt from Davidson, RD 176566 from 1891.

Davidson flint glass has little or no lead and tends to give density readings around 2.5g/cc

This one gave 2.75g/cc - usually translucent colour has little effect on density, with the exception of uranium colours.

So there are two possibilites here:

- They added lead along with the compound which creates this colour.
- They did not add lead for this colour and the compound used is fairly heavy and/or a significant percentage of the total mix.

Does anyone know what creates this rose/peach colour?

Title: Re: Which compound is used to create rose/peach colour in Davidson pressed glass?
Post by: NevB on November 19, 2024, 03:14:56 PM

After a quick search it might be selenium which produces a pink-red colour but has a density of around 4.8gcm3. Apparently it glows bright pink under UV.