Dr. A. Peretti

Dr. A. Peretti earned his PhD for “Mineral Formation in the Alps” from the Institute of Mineralogy and Petrography at the Swiss Federal Institute of Technology (SFIT / ETH) in Zurich, Switzerland. He is also the recipient of an award from the University of Zurich for his masters’ thesis “Tectonics and Metamorphism in the Alps” and has distinctive acknowledgement by both the British (FGA) and German Gemological Association (FGG).

In 1996 he founded GRS – an internationally recognized independent gemological research firm. Dr. Peretti’s professional accomplishments have been acknowledged by the European Federation of Geologists (Paris, France) where he was awarded the distinction of European Geologist – 2000. Dr. Peretti’s ongoing laboratory work includes mine expeditions, visiting cutting and treatment centres, and collaboration with universities and research scientists, earning him recognition as one of the world’s foremost expert gemologists.

His published research appears in Contributions to Gemology, a publication of GRS plus other internationally recognized journals including Gems & Gemology (USA), Journal of Gemology (GB), Australian Gemologist (AUS), Neue Zürcher Zeitung (Switzerland), Contributions to Mineralogy and Petrology (GER), Earth and Planetary Science Letters (NL), American Mineralogist (USA) and other mineralogical periodicals. His work has also been featured on Swiss and other European television programs.

GRS laboratory reports for important gemstones signed by Dr. A. Peretti have been referenced in catalogues of internationally acclaimed auction houses in New York, Geneva, London, Paris and Hong Kong. Currently he serves as director and owner of GRS Switzerland, Hong Kong, Thailand and Sri Lanka.

In 2015 Dr. Peretti discovered the new mineral Perettiite-(Y),Y3+2Mn2+4Fe2+[Si2B8O24], in Burma (Myanmar), which was named in his honor.

Awards & Achievements

1983: Award from University of Zurich

1983: Grant (No. 2.601-0.8) from SNCF (Swiss National Science Foundation)

1985: Grant (No. 2.4728-0.87) from SNCF (Swiss National Science Foundation)

1986: Grant from Janggen-Pöhn-Foundation St. Gallen (refunded)

2015: Discovery of new mineral Perettiite-(Y)

External Resources