Identifying new Kashmir-type sapphires from Madagascar
Authors: JNA Published in: Jewellery News Asia – October 2017 Download Publication
14/10/2017
21/05/2017
Identification of sapphires from Madagascar with inclusion features resembling those of sapphires from Kashmir (India)
Authors: Adolf Peretti, Francesca Peretti Published in: ICA InColor – Spring 2017 Download Publication
25/06/2016
GRS unveils new book on Mogok ruby
Authors: Adolf Peretti Published in: Jewellery News Asia – June 2016 Download Publication
08/01/2016
Q&A – GRS forges solid path in gem treatment detection
Authors: Adolf Peretti Published in: Jewellery News Asia – January 2016 Download Publication
02/11/2015
Perettiit – Ein Mineral erhält den Namen seins Entdeckers Dr. Adolf Peretti
Authors: Bryan Pavlik Published in: Gemmo News Ausgabe 42 Download Publication
01/11/2015
Mozambique – rubies gaining favour in the gemstone world
Authors: Adolf Peretti Published in: Jewellery News Asia – November 2015 Download Publication
10/09/2015
New generation of pulled synthetic spinel from Russia imitating natural ‘Lavender’-colored and natural ‘Cobalt’ spinel from Vietnam
Authors: Adolf Peretti, Willy Bieri, Matthias Alessandri, Andre Huber, Mario Meier Published in: Contributions to Gemology 11 Download Publication
10/09/2015
NDT breaking the 10-carat barrier
Authors: Adolf Peretti, Branko Deljanin, Matthias Alessandri, Mikko Åström, Andrey Katrusha Published in: Jewellery News Asia – September 2015 Download Publication