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Zircon is a precious gemstone with a rich history, known for its vivid transparency and strong brilliance. It belongs to the silicate group and is one of the oldest minerals on Earth — zircon crystals have been found in geological layers over 4 billion years old.
Colors and Varieties
Zircon comes in a wide range of shades: colorless, blue, red, brown, green, and yellow. The most prized are transparent blue zircons, especially after heat treatment, which enhances their color and brilliance. Colorless zircon is often used as a more accessible alternative to diamond due to its high refractive index.
Origin and Deposits
The main sources of zircon are Sri Lanka, Cambodia, Madagascar, Australia, and Thailand. Sri Lanka is known for high-quality transparent blue zircons, while African deposits yield large crystals in red and brown hues.
History and Popularity
Since ancient times, zircon has been valued for its transparency and brilliance. It was used in royal jewelry across Europe and the East. During the Middle Ages, the stone was believed to protect its owner from evil spirits and bring good health.
Jewelry Qualities and Care
Zircon has a hardness of 6–7.5 on the Mohs scale, so it requires careful handling. The stone scratches easily and does not tolerate high temperatures. For care, gentle cleaning is recommended, and it should be stored separately from harder minerals.
If you are looking to buy a natural zircon, choose stones with transparency, rich color, and quality cut. Zircon is ideal for rings, earrings, and pendants, and thanks to its brilliant play of light it can rival far more expensive gemstones.