File:Tourm46.jpg

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Tourm46.jpg(400 × 600 pixels, file size: 17 KB, MIME type: image/jpeg)

This Barion cushion, designed by Graham, weighs 4.70 carats and mixes the a/b axis brownish color and the c axis color I call blackberry blush very well. I think that it is from Mozambique and when copper was discovered, I thought that this gem, because of its color, might be colored by copper. My spectrometer did not show any absorption by copper in the gem. It is still a nice clean stone with a different color mix.

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current08:54, 18 January 2010Thumbnail for version as of 08:54, 18 January 2010400 × 600 (17 KB)Barbra (talk | contribs)
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