One is the variety of red garnet known as almandine, and the other is the jargoon.    From Wordnik.com.  [Scientific American Supplement, No. 1082, September 26, 1896] Reference

In this way we are enabled to identify a jargoon or an almandine merely by looking at it.    From Wordnik.com.  [Scientific American Supplement, No. 1082, September 26, 1896] Reference

In the case of jargoon, they are supposed to be caused by the presence of some uranium compound in the mineral.    From Wordnik.com.  [Scientific American Supplement, No. 1082, September 26, 1896] Reference

The almandine produces characteristic bands in the green and the jargoon in the red, green and blue portion of the spectrum.    From Wordnik.com.  [Scientific American Supplement, No. 1082, September 26, 1896] Reference

Opal, which is a comparatively light mineral, has a low refractive power; zircon or jargoon is a heavy mineral, and has a high refractive power.    From Wordnik.com.  [Scientific American Supplement, No. 1082, September 26, 1896] Reference

The decolorized zircon (jargoon) has a dispersion well up toward that of diamond and gives fairly vivid spectra on a card, but they are double, as zircon is doubly refracting.    From Wordnik.com.  [A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public] Reference

Of all colorless stones, the only one likely to mislead the expert in this respect is the whitened zircon (jargoon), which has almost adamantine luster and in addition nearly as high dispersive power as diamond.    From Wordnik.com.  [A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public] Reference

'Make it jargoon, dear heart,' you cried joyfully, and all was well.    From Wordnik.com.  [The Intrusion of Jimmy] Reference

Two minutes in the flame of a blow-pipe is like a week at the seashore to a bit of white jargoon.    From Wordnik.com.  [The Intrusion of Jimmy] Reference

If he was a bit of an antiquary, he probably added that, in the eighteenth century, jargoon stones were supposed to be actually an inferior sort of diamond.    From Wordnik.com.  [The Intrusion of Jimmy] Reference

I have lacquered down to dull bronze, my purples overlaid with sepia of the sea, and for hell-hearted ruby and blinding diamond I have substituted pale amethyst and mere jargoon.    From Wordnik.com.  [Traffics and Discoveries] Reference

They're a stuff called white jargoon.    From Wordnik.com.  [The Intrusion of Jimmy] Reference

The windows of jargoon, and heavenly lofts.    From Wordnik.com.  [Georgian Poetry 1911-12] Reference

(jargoon) is also occasionally met with.    From Wordnik.com.  [A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public] Reference

Jarcon, or jargoon, 98.    From Wordnik.com.  [The Chemistry, Properties and Tests of Precious Stones] Reference

Emerald, aquamarine, beryl, Morganite, zircon (jacinth and true hyacinth and jargoon), almandine garnet.    From Wordnik.com.  [A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public] Reference

I think we may fairly assert that such minerals as tourmaline, jargoon, peridote, spinel and chrysoberyl, though their names may be familiar, are not stones which would be recognized by any but those who are in some sense experts; while other minerals, such as sphene, andalusite, axinite, idocrase and diopside, are possibly almost unknown to most people, even by reputation.    From Wordnik.com.  [Scientific American Supplement, No. 1082, September 26, 1896] Reference