Antique jewelry glossary

Welcome to our extensive antique jewelry glossary with around 1,500 jewelry related entries.If you feel you are missing an explanation, feel free to let us know and we will add it.

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Dichroism

The property of double refracting coloured stones to show two or more colours according to the direction in which they are viewed by transmitted light. Dichroism is never observed in single refracting stones or in glass.

From: An Illustrated Dictionary of Jewelry, autor: Harold Newman, publishers: Thames and Hudson