Crossword clues for May's birthstone. 7 letters:EMERALDMay birthstoneEMERALDA birthstone for MayEMERALDMay's birthstone.EMERALDBirthstone for May.AGATESAncient May birthstonesEMERALDSMay birthstonesAGATEA May birthstoneAGATEMay birthstone, onceAGATEAncient birthstone for May.AGATEBirthstone for May: ancient.