Art Deco Cartier Amethyst & Rock Crystal Earrings lockets uranium was being added to

uranium was being added to decorative glass for its fluorescent "glowing" effect - often tableware and household items

It remains in good antique condition

with a full set of English hallmarks and a fine vintage patina

" or When that rooster crows

Art Deco Cartier Amethyst & Rock Crystal Earrings lockets uranium was being added toDATE: Art Deco, c. 1930 Incredible Cartier earrings dating from the Art Deco period, circa 1930. Each one comprising a Siberian amethyst centre with frosted rock crystal oval surround, reminiscent of a life saver, with diamond set millegrain bands at the compass points. They dangle from millegrain bezel set diamond tops (stud posts) and the backs feature wonderfully intricate chased foliate motifs. Signed and numbered Cartier London, signed period