About ICGL Members Membership Links Contact Archive for February 2013 ICGL Newsletter Winter 2013 Posted on 2013/02/25 by ICGL ICGL first newsletter was released at Tucson Gem show 2013. PDF version can be downloaded from next link. ICGLNewsLetter-2013WN (3.3Mb) The contents; International Consortium of Gem testing Labotories By John Richoz, Asian Institute of Gemological Sciences, Bangkok, Thailand Screening and identification of diamonds for the synthetic origin using the uv lamp and the polarioscope mounted on a microscope By Branko Deljanin, B.Sc., GG, FGA, DUG Canadian Gemological Laboratory inc, Vancouver, Canada Identification of natural, treated, synthetic and treated-synthetic yellow sapphire by feather type inclusions By Jayshree Panjikar Pangem Testing Laboratory, PANGEMTECH – Panjikar Gem Research & Tech Institute, Pune, India Trading of Jadeite-Jade in Mandalay, Myanmar By Tay Thye Sun & Tay Kun Ming Far East Gemological Laboratory, Singapore No comments Posted in Newsletter Categories Announcements Newsletter Lab Notes Voice from members Uncategorized Lab Reports Recent Posts ICGL Newsletter Fall 2016 ICGL Newsletter Summer 2016 ICGL Newsletter Spring 2016 ICGL Newsletter Winter 2015 ICGL Newsletter Fall 2015 Archives December 2016 August 2016 April 2016 February 2016 October 2015 June 2015 March 2015 December 2014 August 2014 July 2014 March 2014 November 2013 August 2013 June 2013 May 2013 February 2013 December 2012 Tags AIGS Gem Laboratory Bangkok Lab Place your Footer Content here Wordpress Theme by ThemeZee

About ICGL Members Membership Links Contact Archive for December 2014 ICGL Newsletter Fall 2014 Posted on 2014/12/19 by ICGL New issue of ICGL newsletter is released on 21st November 2014. PDF version can be downloaded from next link. ICGLNewsLetter-2014FA (15.4Mb) The contents: Appearance of new treatment method on sapphire using HPHT apparatus By Hyun-min Choi, Sun-ki Kim and Young-chool Kim Hanmi Gemological Institute & Laboratory (GIG), Seoul, Korea “BLUE SILK” Color change-like effect in pink sapphire from Batakundi By Masaki Furuya Japan Germany Gemmological laboratory, Kofu, Japan Cobalt-doped glass-filled treated blue sapphire By TayThye Sun and Loke Hui Ying Far East Gemological Laboratory, Singapore Punsiri type heat treatment of sapphire done in Khambat, India By Jayshree Panjikar Pangem Testing Laboratory, Pune, India Current Trends within the Thai Gemstone Industry Dietmar Schwarz and Yadhunath Ramakrishnan Asian Institute of Gemological Sciences Thailand Interview with Dominic Moc: Founding Member No comments Posted in Newsletter Categories Announcements Newsletter Lab Notes Voice from members Uncategorized Lab Reports Recent Posts ICGL Newsletter Fall 2016 ICGL Newsletter Summer 2016 ICGL Newsletter Spring 2016 ICGL Newsletter Winter 2015 ICGL Newsletter Fall 2015 Archives December 2016 August 2016 April 2016 February 2016 October 2015 June 2015 March 2015 December 2014 August 2014 July 2014 March 2014 November 2013 August 2013 June 2013 May 2013 February 2013 December 2012 Tags AIGS Gem Laboratory Bangkok Lab Place your Footer Content here Wordpress Theme by ThemeZee