The beauty of colour
SGG Zermatt 30th June 2017 | Page 0
© Swiss Gemmological Institute SSEF
From classic inclusions to neutrons: A ‘fresh’ look at modern gemmology
The ‚Ratnaraj‘ Ruby, 10.05 ct, sold at Christie‘s HK december 2016
PD Dr. Michael S. Krzemnicki, Swiss Gemmological Institute SSEF www.ssef.ch Photos © M.S. Krzemnicki and SSEF, except where indicated otherwise
SGG Zermatt 30th June 2017 | Page 1
1