Four Treasures Reference Database
Record No. 6096
FTIR in gem testing • A pink sapphire lesson
Journal Article
Hughes, R.W. and Manorotkul, W. (2020) FTIR in gem testing • A pink sapphire lesson. Journal of the Gemmological Association of Hong Kong, Vol. 41, pp. 61–63.
RWHL
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gems, corundum, color.4, treatments.6
A discussion of DRIFTS vs the Beam Condenser FTIR attachment in the testing of pink sapphire. The DRIFTS accessory is generally much better at unmasking heat treatment in ruby and sapphire.