Definition of zircon
:a tetragonal mineral consisting of a silicate of zirconium and occurring usually in brown or grayish square prisms of adamantine luster or sometimes in transparent forms which are used as gems
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In 2013, a team of European and South African geologists published research showing that the island's rock actually contained zircon crystals that were billions of years older than the island itself.
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The researchers recovered zircons as old as 3 billion years, Ashwal says in a press release.
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The researchers collected samples of the mineral zircon, which can be used to calculate the age of rocks, from an island off the coast of Madagascar called Mauritius.
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Origin and Etymology of zircon
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See words that rhyme with zircon Spanish Central: Translation of zircon Nglish: Translation of zircon for Spanish speakers Britannica.com: Encyclopedia article about zircon
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