6 Choices of Capricorn Birthstone

Capricorn people are practical achievers, and birthstones for Capricorn have been identified since antiquity. These Capricorn birthstones act as charm or lucky stone for Capricorn, mainly to support, as well as keep grounded, the ambitious nature of the zodiac sign. Do you know the different Capricorn gemstones? Here is a list of gemstones for Capricorn.

Capricorn Necklace - Black Onyx Pendant and Red Garnet Beads
Capricorn Charm Necklace: Black Onyx Pendant and Red Garnet Beads

Capricorn Birthstones

  • Main: Ruby
  • Alternate: Garnet, Black onyx & Agate
  • Hindu: Onyx & Jet
  • Planetary: Lapis lazuli
  • Talismanic: Onyx


Besides being specifically recognized as zodiac stone for Capricorn, ruby is the traditional birthstone for December in the Arabic, Hebrew, Italian, Roman, as well as the Ayurvedic or old Indian calendar. This Capricorn birthstone is the red variety of corundum, which in another color would be otherwise called sapphire.

A magnificent ruby specimen
Source: Rob Lavinsky, iRocks.com – CC-BY-SA-3.0

Ruby is believed to bestow peace of mind, courage and mental power. This Capricorn stone is indeed helpful to the ambitious Capricorn people in seeing them through in their endeavors. The Capricorn gemstone is also said to chase away impure thoughts and preserve chastity, helping to keep integrity in the potentially powerful Capricorn.

Red Garnet Ring


Garnet’s position as a birthstone for Capricorn is backed up by the fact that the gemstone is the birthstone in most ancient calendars for January, in which month Capricorn people are born. This Capricorn birthstone consists of a wide group of minerals that, while found in different colors, is most popularly known to be red. Red garnet is attributed with the power to enhance productivity, which is something that Capricorn people hold in high regard.

Black Onyx Necklace


Besides being identified as zodiac stone for Capricorn — both in Western and Hindu astrology — onyx is also the talismanic gemstone for Capricorn. Talismans are amulets or other pieces of jewelry believed to give their wearer magical powers. Capricorn talisman is engraved on onyx. This Capricorn birthstone is a banded variety of chalcedony, the name onyx mainly being applied to chalcedony of black and white bands. As a zodiac birthstone, the Capricorn stone is specifically identified to be the black onyx.

Black onyx is a grounding stone, helpful not only to Capricorn, but to Leo as well, the two signs being the most ambitious of the zodiac. This Capricorn gemstone keeps the person grounded, giving him better control of himself as he goes about realizing his ambitions. See also The Black Onyx: Stone of Power.

Black Agate Bracelet


While most closely associated with Gemini, agate is also a Capricorn birthstone. This Capricorn gemstone is the banded variety of chalcedony, which is the opaque to translucent variety of quartz. The banded Capricorn stone is believed to enhance prudence and caution, which to the responsible Capricorn are highly important. See also Agate: Stone of Prudence.

Lapis Lazuli Necklace

Lapis Lazuli

Lapis lazuli is the stone associated with Saturn, the ruling planet of Capricorn, and is hence the planetary stone for Capricorn. This Capricorn birthstone is a relatively rare rock occurring in a bright blue color. Lapis lazuli is believed to stimulate a heightened state of awareness and expand perspective, and hence keeps the ambitious Capricorn objective and firmly grounded to reality. The birthstone for Capricorn is also thought to chase away negative emotions, including fear and jealousy, and enhance creativity. See also Lapis Lazuli: Stone of Purity.

A great sample of jet
Source: Geni via Wikimedia Commons


Beside onyx, jet is the birthstone for Capricorn in Vedic astrology. Jet is not really a stone, but fossilized trees formed under high pressure over millions of years. This Capricorn birthstone is black, and gave birth to the term jet black, meaning “as black as can be.” The Capricorn stone —like most, if not all, black stones — is a grounding stone, roughly as useful to Capricorn people as black onyx. See also Jet: Stone of Restoration.

Capricorn Charm Bracelet: Black Onyx Pendant and Red Garnet Beads

Truest Capricorn Birthstones

In an extensive research, I discovered 5 Capricorn gemstones that are not listed on this page. Two of them are Capricorn’s birthstones from the Bible. Two others were assigned to Capricorn’s ruling planet.

Get to know more Capricorn stones, as well as the magical powers of all birthstones, when you read my book Power Birthstone.

Learn of more Capricorn Birthstones

See Capricorn in Action

Curious about Capricorn and other zodiac signs? An enjoyable way to understand the different signs is to see how they behave, interact or fight in a narrative. Deomar Pandan is writing a novel whose character profiles are based on astrology’s zodiac signs.

Get updates by Following Deomar Pandan on or Liking him on

Discover More of Capricorn

Learn more about the zodiac sign, its symbol, element and other information.

Published October 25, 2013