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Synthetic Ruby Overgrowth on Natural Corundum
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Analysis of Synthetic Ruby Overgrowth on Corundum

Analysis of synthetic ruby overgrowth on corundum, using analysis of inclusions, UV-Vis-NIR and EDXRF spectroscopy, and LA-ICP-MS.

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Heat treatment of some pink sapphires
Article
Low-Temperature Heat Treatment of Mozambique Ruby

Report on changes in Mozambique ruby following low-temperature heating, observed using inclusion analysis, FTIR spectroscopy and LA-ICP-MS.

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Rubies from the Montepuez Area

In October 2013, GIA’s Bangkok laboratory produced a study of the samples collected during the September 2012 expedition.

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