GemmologyThe Journal of 2015 / Volume 34 / No. 8 The Gemmological Association of Great Britain Flexible study to suit you Our Online Distance Learning (ODL) programmes offer you the chance to study our world-famous Gemmology and Diamond Diplomas from home, work or anywhere else you choose. Graduates of our Gemmology and Diamond Diplomas may apply for Membership, entitling them to use the prestigious FGA and DGA status respectively — recognized symbols of excellence in the trade. To sign up contact
[email protected]. Gemmology Foundation Gemmology Diploma Diamond Diploma (nine month course) (nine month course) (nine month course) Starts: 7 March 2016 Starts: 14 March 2016 Starts: 14 March 2016 Price: £2,160 Price: £3,150 Price: £2,625 Join us. The Gemmological Association of Great Britain, 21 Ely Place, London, EC1N 6TD, UK. T: +44 (0)20 7404 3334 F: +44 (0)20 7404 8843. Registered charity no. 1109555. A company limited by guarantee and registered in England No. 1945780. Registered Office: 3rd Floor, 1-4 Argyll Street, London W1F 7LD. Contents GemmologyThe Journal of 2015 / Volume 34 / No. 8 647 Editorial p. 719 COLUMNS 648 What’s New Gemlogis Taupe Diamond Segregator|M-Screen melee screening device|Presidium Synthetic Diamond Screener| p. 675 Spekwin32 software|CIBJO coral book|Global diamond industry 2015|Flux-grown synthetic spinel|ICGL Newsletter| ISO standards for diamonds| The Journal’s cumulative index|Rare books scanned by GIA|Responsible practices and jewellery consumption|RJC 2015 progress report 652 Practical Gemmology ARTICLES