Birthstones

Most gem scholars agree that the tradition of birthstones arose from the Breastplate of Aaron: a ceremonial religious garment set with twelve gemstones that represented the twelve tribes of Israel and also corresponded with the twelve signs of the zodiac and the twelve months of the year.

January
The modern birthstone for January is Garnet.
The Zodiac gemstone for Capricorn is Ruby.
February
The modern birthstone for February is Amethyst.
The Zodiac gemstone for Aquarius is Garnet.
March
The modern birthstone for March is Aquamarine.
The Zodiac gemstone for Pisces is Amethyst.
April
The modern birthstone is Diamond.
The Zodiac gemstone for Aries is Bloodstone.
May
The modern birthstone for May is Emerald.
The Zodiac gemstone for Taurus is Sapphire.
June
The modern birthstone for June are Alexandrite or Moonstone.
The Zodiac gemstone for Gemini is Agate.
July
The modern birthstone for July is Ruby.
The Zodiac gemstone for Cancer is Emerald.
August
The modern birthstone for March is Peridot.
The Zodiac gemstone for Leo is Onyx.
September
The modern birthstone for September is Sapphire.
The Zodiac gemstone for Virgo is Carnelian.
October
The modern birthstone for October is Opal or Tourmaline.
The Zodiac gemstone for Libra is Peridot.
November
The modern birthstone for November is Topaz or Citrine.
The Zodiac gemstone for Scorpio is Beryl.
December
The modern birthstone for December is Turquoise, Blue Topaz or Tanzanite.
The Zodiac gemstone for Sagittarius is Topaz.