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Noun1.jargoon - a colorless (or pale yellow or smoky) variety of zircon
zircon, zirconium silicate - a common mineral occurring in small crystals; chief source of zirconium; used as a refractory when opaque and as a gem when transparent
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References in periodicals archive ?
37 Which chemical element was first recognised (though not isolated) in 1789 when scientist Martin Klaproth analysed a Ceylonian jargoon gemstone?
The prosecutor alleged that subsequently Moss, under the name of Isaac Taylor, sold him 20 to 30 stones which he represented to be diamonds but which were found to be nothing but glass - 'jargoons' or 'white sapphires' as an expert witness described them.