At more than 4.4 billion years old, Zircon is, quite literally, one of the oldest gemstones on our planet.
What Is Zircon?
Zircon is a 100% natural zirconium silicate, prized for an adamantine brilliance that rivals diamond and exceptional fire. It should never be confused with cubic zirconia, a synthetic, lab-created material — zircon, by contrast, is a natural gemstone mined from the earth, formed over billions of years.
Physical and Mineralogical Properties
| Property | Value |
|---|---|
| Mineral | Zirconium silicate (ZrSiO₄) |
| Mohs Hardness | 6 to 7.5 |
| Color | Colorless, blue, yellow, green, red |
| Origin | Cambodia, Sri Lanka, and Australia |
| Birthstone Month | December (blue variety) |
Zircon vs. Cubic Zirconia: The Most Common Mix-Up
These are two entirely different gems, often confused for their similar-sounding names. Zircon is a natural mineral, billions of years in the making; cubic zirconia is a synthetic zirconium oxide crystal, created in a laboratory in the 1970s as an affordable diamond alternative. Both sparkle brilliantly — but only zircon is a natural precious stone.
The Meaning and Energy of Zircon
Regarded as a stone of ancestral wisdom and protection, resonating with the root chakra and the crown chakra. It's said to bridge the earthly and the spiritual, offering stability, clarity, and a powerful sense of purpose.
Caring for Your Zircon
- ✅ At hardness 6-7.5, it's well-suited to daily wear in rings and earrings.
- ✅ Clean with lukewarm water and mild soap.
- ❌ Avoid direct impact on the edges of the cut.
- ❌ Avoid ultrasonic cleaning on stones with visible inclusions.
Frequently Asked Questions About Natural Zircon
Is it the same as cubic zirconia?
No. Zircon is a natural gemstone; cubic zirconia is a synthetic, lab-created material. Despite the similar name, they are entirely different.
Why is it called the oldest mineral on Earth?
Australian zircon crystals have been dated at up to 4.4 billion years old — the oldest known natural objects on the Earth's surface.
Is it durable enough for daily wear?
Yes, at hardness 6-7.5 it's suited to everyday wear, provided you avoid hard knocks on the edges.
What is zircon's associated birthstone month?
Blue zircon is one of December's traditional birthstones, alongside turquoise and tanzanite.
Discover Our Natural Zircon Collection
Natural zircons selected for their brilliance and clarity, hand-set in 925 and 950 silver in Córdoba, Argentina.
Complimentary worldwide shipping.

