Four Treasures Reference Database
Record No. 5557
Heat Seeker: UV fluorescence as a gemological tool
Journal Article
Hughes, R.W. and Emmett, J.L. (2005) Heat Seeker: UV fluorescence as a gemological tool. Gem Market News [The Guide], Vol. 24, No. 5, Part 1, Sept.–Oct., pp. 1, 4–7.
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corundum, color.4, treatments.6, gems
One of the greatest gemological challenges is determining if a ruby or sapphire has been heat treated. UV fluorescence can assist in that identification, as well as detecting fillers in emerald.