Month       Birthstone
  --------------------------
  January     Garnet
  February    Amethyst
  March ....  Aquamarine
  April ....  Diamond
  May ......  Emerald
  June .....  Pearl
  July .....  Ruby
  August ...  Peridot
  September   Sapphire
  October     Opal
  November    Topaz
  December    Turquoise