Four Treasures Reference Database
Record No. 5608

Padparadscha or pretender: Examination of an unusual pink-orange sapphire

Journal Article
Hughes, E.B., Chankhanatha, C., Burkhardt, A., Manorotkul, W. and Hughes, R.W. (2016) Padparadscha or pretender: Examination of an unusual pink-orange sapphire. Australian Gemmologist, Vol. 25, No. 11–12, July–December, pp. 389–392.
RWHL
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corundum, synthetic corundum.7, gems
Abstract: An orangish pink “padparadscha” sapphire was submitted for testing at Lotus Gemology’s Bangkok laboratory. Testing showed a number of con icting features that suggested the gem was a cleverly treated synthetic pink sapphire designed to imitate natural padparadscha.