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.
A composite stone consisting of a piece of red synthetic spinel or synthetic corundum cemented alongside a piece of blue synthetic corundum, forming a pseudo-parti-coloured stone.
From: An Illustrated Dictionary of Jewelry, autor: Harold Newman, publishers: Thames and Hudson