SSEF Fieldtrip to Paraiba, Brazil (2018)
Presentation given by Alexander Klumb at 2018 Swiss Gemmological Society conference on an SSEF fieldtrip to the Paraiba region of Brazil.
Pigeon Blood Red & Royal Blue (2017)
GAHK seminar March 2017 on SSEF criteria for Pigeon blood red & Royal blue by Dr. Michael Krzemnicki (SSEF)
From classic inclusions to neutrons (2017)
Presentation by Dr. Michael S. Krzemnicki at 2017 Swiss Gemmological Society conference in Zermatt. Talk entitled ‘From classic inclusions to neutrons: A ‘fresh’ look at modern gemmology’.
L’identification du traitement HPHT au SSEF (2015)
Presentation by Jean-Pierre Chalain at 2015 Swiss Gemmological Society conference on HPHT treatment detection at SSEF