Identification of melee size synthetic coloured diamond for jewellery
Kentaro Emori, Hiroshi Kitawaki, Mio Hisanaga, Masahiro Yamamoto
Novel cultured pearls with ceramic nucleus and possible cause of their strong luster
Cultured pearls with a ceramic nucleus (bead) represent a new type of saltwater cultured pearls that
Study of “amethysts” from the French Crown Jewels
Stefanos Karampelas, Eloïse Gaillou, Annabelle Herreweghe, Ugo Hennebois, Farida Maouche, Romain Bo