Edwardian Uranium Glass Spider Brooch spinel and quite charming

and quite charming

Blue Sapphire (natural no indication of heat treatment)

It’s perfectly formed and gorgeous

featuring the intricate applied granular goldwork typical of the style

Edwardian Uranium Glass Spider Brooch spinel and quite charmingDATE: Edwardian, c. 1910 Uranium glass has been produced for thousands of years and, remarkably, actually contains its namesake element, usually in oxide form, making up anywhere between 2% to 25% of its composition. This example displays a striking acid green colour, and under UV light it fluoresces bright green think uranium rod in the opening credits of the Simpsons. The first noted use of uranium glass dates back to a 79AD mosaic found in a Roman