Identifying new Kashmir-type sapphires from Madagascar
Authors: JNA Published in: Jewellery News Asia – October 2017 Download Publication
Authors: JNA Published in: Jewellery News Asia – October 2017 Download Publication
Authors: Adolf Peretti, Francesca Peretti Published in: ICA InColor – Spring 2017 Download Publication
Authors: Adolf Peretti Published in: Jewellery News Asia – June 2016 Download Publication
Authors: Adolf Peretti Published in: Jewellery News Asia – January 2016 Download Publication
Authors: Bryan Pavlik Published in: Gemmo News Ausgabe 42 Download Publication
Authors: Adolf Peretti Published in: Jewellery News Asia – November 2015 Download Publication
Authors: Adolf Peretti, Willy Bieri, Matthias Alessandri, Andre Huber, Mario Meier Published in: Contributions to Gemology 11 Download Publication
Authors: Adolf Peretti, Branko Deljanin, Matthias Alessandri, Mikko Åström, Andrey Katrusha Published in: Jewellery News Asia – September 2015 Download Publication