T he Gemmological Association of GreatBritain (Gem-A) has released the latest issue of its academic publication, The Journal of Gemmology, in collaboration with the Swiss Gemmological Institute SSEF and with the support of the American Gemological Laboratories (AGL) and the Gem and Jewelry Institute of Thailand (GIT). The current issue (Vol. 34, No. 5, 2015), released on 25 April 2015, is packed with a wide arrayof new content, covering the latest news and research from the international gemmological community.

The issue features the articles: 'The Potential of a Portable EDXRF' (by Franz A. Herzog), 'Green Lead- Glass-Filled Sapphires'(by Thanong Leelawatanasuk, Namrawee Susawee, Supparat Promwongnan and Nicharee Atsawatanapiro), 'Demantoid from Balochistan, Pakistan: Gemmological and Mineralogical Characterization' (by Ilaria Adamo, Rosangela Bocchio, Valeria Diella, Franca Caucia and Karl Schmetzer) and 'Nail-head Spicules as Inclusions in Chrysoberyl from Myanmar' (by Karl Schmetzer and Michael S. Krzemnicki).

In addition to this collection of articles, The Journal also delves into 'What's New' in the industry by highlighting the GL Gem Spectrometer, the Presidum Gem Indicator, GIT lab updates, and newsletters from the Gem Testing Laboratory (Jaipur, India), GGTL and ICGL, along with a look at global gold demand trends, the latest edition of Geoffrey Dominy's 'Handbook of Gemmology' (3rd edition), pink and blue CVD synthetic diamonds and a free coloured stone app. Furthermore, the issue features detailed listings of upcoming conferences, exhibits and other educational events to further the professional development of its readers.

Other sections that are sure to interest practising gemmologists include 'Practical Gemmology' which discusses the colour grading of synthetic moissanite, and 'Gem Notes' which describes a variety of new and interesting materials, including a large gemquality kunzite crystal from Brazil; a visit to a marble-hosted ruby mine in Mogok, Myanmar; 'Zawadi' sapphires; tourmaline from the Havey quarry, Maine, USA ; and much more.

The 'Conferences' section takes armchair travellers to visit the recent AGA and GILC Tucson Conferences, as well as the 2014 GIT Conference.

'New Media' reviews several new books and lists the titles of many more, and 'Literature of Interest' points the reader toward recently published gemmological articles, some of which are downloadable for free.

Discussing the latest issue of The Journal of Gemmology, editor-inchief Brendan Laurs stated: "With this issue of Volume 34, we begin the second year of the redesigned Journal of Gemmology.

From laboratory research to field studies, this issue highlights much of interest to the international gemmological community, particularly in the areas of new gem materials, technology and treatments."

All Gem-A members receive hard copies and online access to quarterly editions The Journal of Gemmology and Gem-A's other publication Gems&Jewellery, along with a whole host of other features and benefits, for just £135 a year.

In addition, The Journal also is available by direct subscription to institutions.For more information on how to signup and get your copy, visit the Publications section of Gem-A's website, where you can also signup for the Journal's mailing list. To download a complimentary copy of the redesigned Journal.