HFSE-enriched sapphires of gem quality: A combined FTIR and trace element study and implications for heat treatment detection
Michael S. Krzemnicki, Wei Zhou, Pierre Lefèvre, Markus Wälle, Hao Wang
Study of “amethysts” from the French Crown Jewels
Stefanos Karampelas, Eloïse Gaillou, Annabelle Herreweghe, Ugo Hennebois, Farida Maouche, Romain Bo
Gemological Characteristics of New Transparent Brown Sapphire
A newly observed variety of faceted transparent brown sapphire has recently entered the gem market,
