The modern and traditional birthstone for every month, with the real geology and lore behind each stone.
January
Garnet
February
Amethyst
March
Aquamarine
April
Diamond
May
Emerald
June
Pearl, Moonstone, Alexandrite
July
Ruby
August
Peridot, Spinel
September
Sapphire
October
Opal, Tourmaline
November
Citrine, Topaz
December
Turquoise, Tanzanite, Zircon