Return to Newsroom

All About Colored Stones: Zircon – Ancient Sparkle, Modern Charm.

One of December’s birthstones, astrology associates the gemstone zircon with Sagittarius and Capricorn, amplifying adventurousness, wisdom, and grounding energy – a great combination of qualities for tackling holiday chaos. A natural treasure prized for its pleasant sparkle and rich history, zircon’s radiance and colorful hues make it a perfect match for the festive season.

Formation and Properties

Natural zircon is one of the oldest known minerals on our planet. It crystallizes in the upper crust due to fresh magma from the mantle, or from sedimentary rocks that wash into the ocean, sink into the mantle, and re-emerge as granites. Zircons have a hardness of 7.5 and high durability. They can survive numerous geologic events over the eons and even record those events when more zircon material forms around the original core, which becomes a tiny time capsule. Once polished, natural zircon can be mistaken for synthetic cubic zirconia, but zircon is the real deal. A naturally occurring treasure that’s as resilient as your holiday spirit – in the face of endless cookie-baking and gift-wrapping – with a sparkle so bright it could rival your holiday lights.

Appearance and Colors

Zircon is a chameleon, coming in an array of dazzling shades like brilliant blue, golden yellow, earthy brown, lush green, and romantic pink. When colorless, zircon is sometimes referred to as “Matura Diamond,” which originates from the region of Matara in Sri Lanka, where high-quality zircon gemstones were mined and used as diamond substitutes because of their brilliance and affordability. But December’s favorite hue is a frosty, cool blue – perfectly capturing the chilly yet magical vibe of winter.

History, Myths, and Legends

Zircon’s story goes way, way back. A few grains found in Western Australia in the early 1990s date back approximately 4.4 billion years, more ancient than the oldest diamonds, and we know from meteorites that the Earth is only 4.54 billion years old. This tells us that the Earth’s crust began forming relatively soon after the planet’s formation, within the first 100 million years or so.

Ancient civilizations believed zircon bestowed wisdom on its owner, and had the power to banish evil and bring restful sleep – a gift we all need during the holiday rush. During the Middle Ages, zircon was thought to inspire honor and prosperity, making it a gemstone fit for kings and queens.

Today zircon is a gift perfectly suited to those with December birthdays. Its sparkling blue hues are reminiscent of snow-covered landscapes, frosty skies, and icy lakes, tying it beautifully to the month’s wintry charm. It also symbolizes light and warmth, much-needed reminders during the coldest, darkest days of the year.

Countries of Origin

Zircon is mined in exotic locations such as Cambodia, Sri Lanka, Myanmar, Australia, and Madagascar. Cambodian blue zircon from the Ratanakiri province of Cambodia is especially prized for its vivid hue and brilliance – like finding a tropical escape in the middle of December!

Iluka’s Jacinth-Ambrosia operation in South Australia is the world’s largest zircon mine. The deposit was discovered by Iluka in 2004 and production commenced in 2009.

Fun Facts

  • Zircon’s nickname, “the poor man’s diamond,” is meant to tie the gemstone’s luxurious appeal to its more approachable price tag.
  • Blue zircon’s dazzling color is often enhanced through heat treatment – common among colored stones in commercial markets.
  • The name zircon comes from the Arabic word zarqun, meaning cinnabar, but its colors cover a wider spectrum.
  • “Hyacinth by any other name…” In ancient times, orange and red zircons were called “hyacinth” after the flower, proving it’s been trending for millennia.
  • Scientists use zircon crystals to study the Earth’s earliest days because they’re older than most rocks, including diamonds (and even the oldest fruitcakes!).
  • Zircon shares its “December distinction” with birthstones Turquoise, Tanzanite and, for some enthusiasts, Blue Topaz.

Zircon is more than just a birthstone – it’s a symbol of light, wisdom, and resilience, making it perfect for adventurous spirits and those who crave balance. Whether you’re celebrating a December birthday, shopping for the ultimate gift, or just adding some sparkle to your life, natural zircon delivers beauty, history, and a little touch of magic.

Be sure to subscribe to the IGI GemBlog for one weekly email, linking to new posts.

Subscribe to our GemBlog

Receive a weekly roundup of intelligence and insight from our expert team of gemologists and jewelry enthusiasts.

"*" indicates required fields

Name