Gemstone Knowledge
SOOKJAI KNOWLEDGE
Gemstone Knowledge
A considered guide to gemstones — from colour and cut to origin, treatment and the stories behind each stone.
Zircon · The Sookjai Perspective
Why Zircon Deserves More Attention in Fine Jewelry
Zircon has its own colour, fire, history and design potential. Seeing it clearly in fine jewelry begins by treating it as an intentional gemstone choice rather than a substitute for something else.
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Zircon · From Rough to Cut
Zircon: One of Earth’s Oldest Gemstones
Some zircon crystals preserve a record reaching back about 4.4 billion years, making this gemstone mineral an extraordinary witness to the earliest chapters of Earth’s history.
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Zircon · The Sookjai Perspective
The Sookjai Perspective: What We Look for in a Zircon
How Sookjai approaches zircon: beginning with colour, then considering light, cut, clarity, condition, treatment, wearability and the individual character that makes a stone feel complete.
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Colour · Zircon
Green Zircon: An Unexpected Side of Zircon
Green zircon reveals an unexpected side of the mineral, where colour can intersect with crystal structure, radiation history, geological time and the distinctive way zircon handles light.
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Zircon
Why Does Zircon Sparkle So Much?
Zircon’s lively sparkle comes from more than one optical effect. Refractive power, luster, dispersion, double refraction, cutting and movement all shape the way light behaves inside the gemstone.
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Zircon
Zircon Is Not Cubic Zirconia: Understanding the Difference
Zircon and cubic zirconia may have similar names, but they are fundamentally different materials. Understanding that distinction reveals the natural gemstone identity zircon has always had.
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Zircon
What Is Zircon?
Zircon is an ancient natural gemstone with remarkable fire, double refraction and a surprisingly broad range of colours. Its story is far more interesting than its frequent confusion with cubic zirconia suggests.
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