The Zircon Is A Natural Gemstone !

Stop confusing this beautiful natural stone with synthetic oxide of zirconium , which as its name suggests is a synthetic stone, an imitation to diamond.

Zircon is a natural stone. It is a zirconium silicate which appears a a dark brown, green or red color after extraction and changes color when heated. Most blue stones are pastel blue, but some exceptional gems have a bright blue color. Zircon is also available in green, dark red, purple, yellow, brown and orange. Due to its high refractive index and high dispersion, zircon has a high gloss and high intensity. The zircon deposits are mainly alluvial. Zircon is found in Australia, Brazil, Cambodia, Korea, Madagascar, Mozambique, Myanmar, Niger, Sri Lanka, Tanzania, Thailand and Vietnam.

The most popular zircon color is blue. The more intense the blue is, the higher the price will be. The brilliance of zircon is legendary, which made it possible to use it as a diamond substitute when it was colorless.

Do you know the blue zircon?

For lovers of blue stones, this magnificent stone, yet too little known to the general public in France, will be a wise choice, because in the intense blue tones, the choice of stones is limited:
– The famous tourmaline Paraiba (whose prices reach the top)
– The blue topaz (tampered with and irradiated) therefore to be avoided ….
– Aquamarine (clearer and less brilliant)

The blue zircon has a high refractive index which gives it an exceptional brilliance ( like a diamond).
Be careful not to confuse it with synthetic zirconium oxide, a simulacrum of synthetic diamond.

Zircon is a naturally occurring mineral called zirconium silicate.
It is one of the oldest stones known on earth.
A 4.4 billion year old deposit has been discovered in Australia.
Cambodia and the Ratanakiri mine produce beautiful stones.

Zircon has a good hardness, 6.5 to 7.5 on the Mohs scale but it must be handled with care.

And do not forget, all the stones are fragile! even the diamond ….

To determine the quality of a stone, color is the most important criterion.

See my creations with zircon, rings, earrings or pendant.


If you are interested in zircon, don’t hesitate to discover what les Pierres de Julie have to offer in the store…

We are also available for any free expertise of your zircon jewelry, for that you can send an email with your photos to

Welcome to our store in the Swiss village of the 15th arrondissement of Paris!



Les Pierres de Julie


Les Pierres de Julie


Les Pierres de Julie


Les Pierres de Julie


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