Birthstones

January
Garnet
February
Amethyst
March
Aquamarine / Bloodstone
April
Diamond
May
Emerald
June
Pearl / Alexandrite/ Moonstone
July
Ruby
August
Peridot / Sardonyx
September
Sapphire
October
Opal / Tourmaline
November
Topaz
December
Tourquoise / Zircon

Source: Random House Unabridged Dictionary