December brings with it crisp winter air, shimmering frost, and a selection of birthstones that perfectly capture the month’s icy-blue elegance. These December birthstones — blue topaz, tanzanite, blue zircon, and turquoise — offer not just stunning color, but deep meaning and history. Whether you’re choosing a gift or treating yourself, these gems embody a unique wintertime spirit.
Why December Has More Than One Birthstone
December is one of the few months with multiple official birthstones. Instead of a single gem, the month is symbolized by four — blue topaz, tanzanite, blue zircon, and turquoise — each offering its own look, meaning, and lore.
Historically, the list expanded as gem discoveries increased and jewelry preferences shifted. Today, these December birthstones perfectly reflect winter’s cool, icy palette while offering something for every style and budget.
Brinker’s Jewelers celebrates all four because they embody the versatility, beauty, and emotional depth people born in December often look for when choosing a meaningful gemstone.
The Stars of the Month — A Guide to the Icy Blue December Birthstones
Blue Topaz
Geology & Origin
Blue topaz is part of the topaz mineral family, a silicate mineral made primarily of aluminum and fluorine. While naturally occurring blue topaz is extremely rare, most of the vivid blues you see in jewelry today are created through heat and irradiation treatments applied to colorless topaz.
Major sources include Brazil, Sri Lanka, Mexico, Russia, and the United States (particularly Texas and Colorado). Its widespread availability makes it a more accessible option among the December birthstones.
Color & Optical Properties
Blue topaz offers a wide spectrum of cool winter tones — ranging from pale Sky Blue, to rich Swiss Blue, to deep, saturated London Blue. These shades reflect beautifully in faceted cuts due to topaz’s excellent clarity and strong brilliance.
The gem’s high refractive index gives it a crisp sparkle, making it one of the most visually striking December birthstones for people who love clean, icy color and luminous shine.
Meaning & Symbolism
Throughout history, blue topaz has symbolized communication, calmness, and emotional balance. Many associate it with mental clarity, creativity, and harmonious relationships.
Spiritually, it’s often linked to honesty and expression — making it a popular choice for gifts that represent trust, understanding, and connection. Blue topaz also carries themes of peacefulness and serenity, aligning with December’s reflective end-of-year energy.
Durability & Care
Blue topaz ranks 8 on the Mohs hardness scale, making it one of the most durable December birthstones. It resists everyday scratches better than tanzanite, turquoise, or zircon — ideal for people who want a gemstone they can wear daily.
Care tips:
Clean with warm water, mild soap, and a soft brush.
Avoid harsh chemicals, extreme heat, and sudden temperature changes.
Store separately from harder stones like diamonds, which can scratch it.
While sturdy, blue topaz can experience cleavage fractures if struck sharply — so avoid dropping or knocking it against hard surfaces.
Styling Tips
Blue topaz is incredibly versatile and works well across jewelry categories.
Sky Blue Topaz pairs beautifully with sterling silver or white gold, giving a bright, airy look.
Swiss Blue Topaz offers more saturation and looks great in everyday rings, pendants, and stud earrings.
London Blue Topaz, with its deep teal-navy tone, creates a dramatic and sophisticated feel — perfect for statement pieces and cocktail rings.
It also complements diamonds, white sapphires, and other cool-toned gems, making it ideal for halo designs or multi-stone settings.
Stylistically, blue topaz fits modern, classic, and minimalist aesthetics with ease, giving your December birthstone jewelry a polished, timeless appeal.
Tanzanite
Geology & Origin
Tanzanite is one of the most modern of the December birthstones. It was discovered in 1967 in Tanzania’s Merelani Hills — the only place in the world where it’s mined.
Color & Optical Properties
Tanzanite, geologically a variety of zoisite is truly magical because it is pleochroic — it can show blue, violet, or burgundy hues depending on how you tilt it. This shifting color gives it depth and mystery.
Meaning & Symbolism
Often associated with transformation, emotional clarity, and spiritual growth. Many believe tanzanite elevates intuition and supports personal evolution.
Durability & Care
Tanzanite ranks around 6–7 on the Mohs hardness scale, which means it’s relatively delicate. It’s best for occasional wear, stored separately, and cleaned gently (avoid ultrasonic cleaners).
Styling Tips
Tanzanite’s vivid blue-violet color makes it a natural choice for striking pendants and rings. Pair it with white gold or platinum to highlight its cool tones, or with rose gold for a warm contrast.
Blue Zircon
Geology & Origin
Zircon is ancient — some of Earth’s oldest zircon crystals date back to over 4 billion years. Zircon is often golden-hued but is also available in tones of green, red, and blue. The brilliant blue variety is most often heat-treated to achieve vivid, icy hues.
While Australia still provides much of the world’s supply, zircon is also mined in countries like Tanzania, Cambodia, Sri Lanka, and the United States. Different countries tend to produce different colors of zircon.
Zircon’s name comes from the Persian zargun, meaning “gold-hued.” This then became Zirkon in German, which later turned into the English word we are familiar with today.
Color & Brilliance
Blue zircon sparkles brilliantly — its high refractive index gives it a fire and brilliance similar to diamond, making it one of the most dazzling December birthstones.
Meaning & Symbolism
Traditionally, blue zircon is linked to wisdom, prosperity, and mental clarity. It’s said to help clear negative energy and bring calm.
In traditional Hindu astrology, zircon is one of the navaratna or “nine gemstones.” According to the Gemological Institute of America, this arrangement of flawless gems, including zircon, are worn to “protect the wearer from the negative energies of the planets and strengthen the positive benefits of the different gems, bringing good health, wealth, mental strength, and wisdom.”
In the Middle Ages, zircon was thought to ward off evil spirits, as well as lull one into a deep sleep.
Contemporary astrologers and crystal healers recommend zircon as a gem that dispels depression and increases focus and meditative capacity.
Durability & Care
Zircon has a Mohs hardness of around 6–7.5, making it somewhat delicate. It should be treated carefully to avoid scratches, and cleaned using mild soap and a soft brush.
Styling Tips
Zircon’s unmatched sparkle makes it ideal for:
Halo rings
Statement earrings
Light-catching pendants
White gold enhances brightness; yellow gold creates contrast.
Turquoise
Geology & Origin
Turquoise forms in arid, copper-rich environments. As rainwater seeps through rock, it dissolves small amounts of copper. When the water evaporates, the copper binds with aluminum and phosphorous, creating turquoise’s signature opaque blue-green color.
Historically sourced from Persia (modern-day Iran), turquoise also forms in other desert climates, including the Southwestern United States (like the Mojave Desert), Mexico, Egypt, and parts of China.
Chemically, turquoise is a hydrous phosphate of copper and aluminum with a naturally soft structure, which is why it has been used primarily for ornamental and artistic purposes. Its use spans thousands of years across Egyptian, Persian, and Native American cultures, giving it one of the richest cultural histories of any December birthstone.
Color & Texture
Unlike the faceted brilliance of zircon, turquoise has a more matte or veined surface. Its shade ranges from robin’s-egg blue to greenish tones, sometimes with matrix patterns.
Meaning & Symbolism
Turquoise carries one of the richest cultural histories of all the December birthstones. In ancient Aztec culture, turquoise was used in ceremonial masks, mosaics, and offerings, symbolizing protection and divine connection.
Across the American Southwest, tribes such as the Zuni, Apache, and Navajo incorporated turquoise into jewelry, amulets, and carvings. For these communities, the stone represents sky, water, life, abundance, and spiritual protection—a symbol that continues in modern Native artistry today.
Because of its calming blue hues and long-standing spiritual meaning, turquoise is often associated with healing, creativity, friendship, and good fortune.
Durability & Care
Turquoise is one of the softer December gemstones, with a Mohs rating around 5–6. It’s porous and can absorb oils or chemicals, so avoid exposure to perfumes, lotions, and harsh cleaning.
Styling Tips
Turquoise pairs beautifully with sterling silver, especially in:
Cuffs
Rings
Beaded necklaces
Its natural veining adds visual interest, and while it looks good on any skin tone, it especially flatters warm, olive, and neutral skin tones.
Caring for Your Blue December Gems
- Get your jewelry professionally cleaned and checked at least twice a year.
Store each gemstone separately to avoid scratches.
Clean with mild soap, warm water, and a soft brush.
Avoid ultrasonic or steam cleaners for tanzanite, zircon, and turquoise.
Protect turquoise from oils, lotions, and perspiration.
Choose durable settings for everyday wear.
Choosing the Right December Birthstone
Ask yourself:
Which color resonates with you?
How often will the piece be worn?
What meaning or symbolism feels right?
What budget fits your needs?
Each of the December birthstones offers something unique — from the sparkling brilliance of blue zircon, to the serene calm of turquoise, to the transformative depth of tanzanite, to the clarity and versatility of blue topaz.
A Cool, Radiant Tribute to December
Embracing a December birthstone is more than choosing a beautiful gem — it’s choosing a personal story. Whether you’re drawn to the serenity of blue topaz, the brilliance of zircon, the mystery of tanzanite, or the cultural richness of turquoise, each stone offers its own form of winter magic.
Explore Brinker’s Jewelers collection of December birthstones to find the piece that resonates with you or a loved one, and celebrate December in all its cool, radiant beauty.
