Libra Birthstone: Opal
The Libra birthstone is Opal — the gemstone of the air sign ruled by Venus.
Dates
Sep 23 – Oct 22
Birthstone
Opal
Element
Air
Ruling Planet
Venus
Libra and the Opal
Libra, the sign of the scales, is ruled by Venus and devoted to beauty, harmony, and balance — and no gem balances more colours at once than the opal. With its shifting play of rainbow fire, the opal mirrors Libra's many-sided charm and its gift for seeing every point of view. It is the perfect stone for the zodiac's great aesthete and peacemaker.
Why Opal suits Libra
Opal suits Libra because it holds every colour in one stone, much as Libra holds every perspective in one balanced mind. Venus-ruled and beauty-loving, Libra is naturally drawn to opal's shimmering play-of-colour, long seen as a stone of harmony, hope, and creativity. Peridot, Libra's supporting stone, adds a calm, even green that echoes the sign's longing for equilibrium and grace.
Libra traits the Opal reflects
The Libra personality
As a cardinal air sign ruled by Venus, Libra is known for being diplomatic, charming, fair-minded and sociable. Air signs live in the mind, prizing ideas, communication and connection. A birthstone for Libra works best when it speaks to those qualities — which is exactly what Opal does.
That is also why Libra carries supporting stones alongside Opal. Where the primary stone captures the sign's headline character, the supporting stones round out the rest of its nature.
Libra supporting stones
Alongside Opal, these stones are traditionally linked to Libra and make thoughtful companions or alternatives.
Peridot
A harmonious green stone that complements Libra's love of balance and gentle beauty.
Lapis Lazuli
A serene blue stone of harmony and truth, supporting Libra's pursuit of fairness and connection.
How to wear or gift the Libra birthstone
Libra rules the lower back and kidneys and has a refined eye, so it gravitates to elegant, harmonious design. Opal is soft and water-bearing, so protect it in bezel settings and save it for pendants, earrings, and occasion pieces rather than knock-about rings. An opal that flashes Libra's favourite colours, set in rose or white gold, makes a gift this Venus-ruled sign will treasure.
Your monthly birthstone too
Because Libra runs from Sep 23 – Oct 22, it crosses two calendar months — each with its own monthly birthstone. Depending on the exact day you were born, your monthly stone may differ from your zodiac stone. Here are the month pillars that Libra overlaps:
Go deeper on the Opal
Read more about Libra's stones in these in-depth guides: