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LAB INFORMATION CIRCULAR VOLUME 75 - JANUARY, 2018
Lab Information Circular (Volume 75, January, 2018) is now out, covering the following topics: - Fake emerald rough - glass filled in mica-rock - Eudialyte - an unknown gem - Morado opal - Resin-filled amazonite - Quartz with graphite inclusions - In photos - gems from Namibia

GTL at India International Jewellery Show (IIJS), 2016
Gem Testing Laboratory, Jaipur will be offering free gemstone testing and diamond grading services at our booth AL043 in India International Jewellery Show (IIJS), 2016 Date: August 4 - August 8, 2016 Venue: Bombay Convention & Exhibition Centre Mumbai, India 400063
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Lab Information Circular, Volume 73, July, 2016
Lab Information Circular, Volume 73, July, 2016 Contents - Polymer-treated hessonite - Yellow-green opal - 663-grams star sapphire - Contrasting fluorescence in synthetic CVD diamonds - Dyed and stabilised alunite presented as 'gaspeite' - Calsilica - Plastic with 'flame-like' structure
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