15MM ROUND CHRYSOPHASE 'AA'

15MM ROUND CHRYSOPHASE 'AA' CRYSOPRASE, CHRYSOPHRASE OR CHRYSOPRASUS IS A GEMSTONE VARIETY OF CHALCEDONY (A CRYPTOCRYSTALLINE FORM OF SILICA) THAT CONTAINS SMALL QUANTITIES OF NICKEL. ITS COLOR IS NORMALLY APPLE-GREEN, BUT VARIES TO DEEP GREEN.\ AFTER THE DISCOVERY OF THE TOMB OF TUTANKHAMEN IN THE EARLY 1920S, THE WELL-KNOWN ART NOUVEAU PERIOD, WHICH CELEBRATED EXOTIC SENSUALITY AND ROMANTICISM,CHRYSOPRASE WAS USED EXTENSIVELY DURING THIS NOUVEAU ERA WITH EGYPTIAN REVIVAL JEWELRY THAT MIMICKED THE VAST TREASURES OF THE NEWLY DISCOVERED PHARAOH'S TOMB.