This is a chronological list of the months of the year with their corresponding birthstones.
January - Garnet
February - Amethyst
March - Aquamarine
April - Diamond
May - Emerald
June - Alexandrite or Pearl
July - Ruby
August - Peridot or Spinel
September - Sapphire
October - Tourmaline or Opal
November - Topaz or Citrine
December - Blue Topaz, Turquoise, Tanzanite, or Zircon