Latest Articles

 This page lists articles as they are made live or updated.


18th Sep 2017
Jolyon & Katya RalphGemdat - the future!0 Comments

20th Apr 2017
Ray HillCavansite a new gem material0 Comments

23rd May 2016
Patricia BradyDon’t Want To Be Cheated While BuyingBlue Sapphire Stone? Consider These 4 Thing0 CommentsNorth Carolina, USA

25th Jan 2014
Jolyon & Katya RalphGemdat at Tucson 20140 Comments

31st Aug 2013
Riccardo Modanesi5th European Gemmological Symposium0 Comments

15th May 2013
Jolyon & Katya RalphThe ICA Congress 2013, Changsha, China0 Comments

5th May 2013
Jolyon & Katya RalphChangsha - ICA Congress and CGMS Show0 Comments

29th Oct 2012
Jolyon & Katya RalphMunich Show 20120 Comments

20th Oct 2012
Jolyon & Katya RalphWhat's new in Gemdat.org0 Comments

30th Sep 2012
Jolyon & Katya RalphRobertson: Precious Stone & Gems of Scotland (1814)0 Comments
Jolyon & Katya RalphKluge's Gem Classification of 18600 Comments

10th Sep 2012
Jolyon & Katya RalphQuick visit to IJL Gemshow, London, September 20120 Comments

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