Facette

SSEF Facette No. 23, 2017

featured articles:

  • Emerald fissure filling and cleaning
  • Rarities and collector stones
  • Neutron and x-ray tomography of emeralds
  • Purple Mozambique garnet
  • New sapphires from Ambatondrazaka
  • GemTOF
  • Opalised dinosaur vertebra
  • Fake tridacna pearls
  • Exceptional jadeite jade
  • Synthetic ruby with eskolaite inclusion
  • South Sea pearl research
  • Blue colour in diamonds
  • Umba ruby
  • Heated pink sapphire
  • Coral imitation
  • SSEF at auction
  • SSEF courses
  • MySSEF platform
  • Insurance policy
  • Age dating of pearls
  • PearlScan®
  • Undisclosed synthetic diamonds
  • Colourless melee diamond procedures
  • New instruments at SSEF
  • University collaborations
  • SSEF in Asia
  • Publications

 

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SSEF Facette No. 22, 2016

featured articles:

  • SSEF relocation
  • SSEF colour terms
  • New sources of sapphires and rubies
  • Andranondambo sapphire
  • Low-temperature heat treatment of Mozambique rubies
  • Synthetic Ramaura ruby
  • Diamond research
  • Jadeite jade
  • Danburites
  • Egyptian emeralds?
  • New methods for pearl analysis
  • Neutron imaging of pearls
  • Age dating of shipwreck pearls
  • SSEF courses in 2016
  • SSEF-Ferrari shuttle service
  • SATT Gems
  • ASDI update
  • Small diamonds protocol
  • New instruments at SSEF
  • SSEF at conferences 2014-2015
  • New team members
  • Publications

 

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SSEF Facette No. 21, 2014

featured articles:

  • SSEF reports at auction
  • Expedition to Mogok
  • ASDI (Automated Spectral Diamond Inspection)
  • DNA fingerprinting of pearls
  • Blue cobalt spinel from Vietnam
  • Ethiopian opal stability experiment
  • Colour-change garnetss with Usambara effect
  • Jadeite from Kazakhstan
  • Didy rubies
  • Spessartine garnets from Nigeria and Mogok
  • Pipi pearls from the Pacific
  • Vanadium Chrysoberyl
  • New beads in cultured pearls
  • SSEF courses in 2014
  • SSEF-Ferrari shuttle service
  • GC conferences 2013
  • SSEF and Journal of Gemmology
  • Quality control of melees
  • SSEF in Asia
  • Team event
  • Publications and Donations

 

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SSEF Facette No. 20, 2013

featured articles:

  • Kashmir Sapphire
  • CVD Synthetic Diamonds
  • Pearl Farming in Australia & Micronesia
  • Radiocarbon age-dating of pearls
  • Keshi cultured pearls still in market
  • Colour-changing zircon
  • Paraiba tourmaline
  • Dyed ethiopian opal
  • Chrysoprase
  • SSEF courses in 2013
  • New SSEF-Ferrari shuttle service
  • SSEF Premium Appendix
  • Conferences 2012
  • SSEF Library of Publications
  • SSEF in Asia
  • Team event
  • Publications and Donations

 

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SSEF Facette No. 19, 2012

featured articles:

  • Fancy sapphires
  • Jade
  • Bastnäsite
  • Corundum Research
  • Rostellite
  • Odontolite and Apatite
  • Pearl Testing and Research
  • GemExplorer Website
  • IGC Conference 2011
  • Vietnam Expedition
  • SSEF courses in 2012
  • New SSEF Reports
  • New Websites
  • Cut Grade of Diamonds
  • In Memoriam: George Bosshart
  • SSEF in Asia
  • Team Achievements
  • Publications and Donations

 

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SSEF Facette No. 18, 2011

featured articles:

  • Spinel, a gemstone on the rise
  • Historic objects at SSEF
  • Beryl pseudomorph
  • Synthetic diamonds
  • Stabilized opal
  • Pearls in the focus
  • Visits to pearl farms
  • SSEF courses in 2011
  • CIBJO, LMHC
  • New EDXRF
  • GemExplorer app
  • New SSEF shuttles
  • SSEF on-site in Paris
  • SSEF in Asia 2011
  • Conferences 2010

 

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SSEF Facette No. 17, 2010

featured articles:

  • What it takes to issue a certificate at SSEF
  • New rubies from Montepuez, Mozambique
  • Damage to cut gemstones
  • CVD synthetic diamonds
  • Micro X-ray tomography of pearls
  • Age dating of pearls
  • Detection of low-T heated pink sapphires
  • Asteriated diamonds
  • Peak analysis: The FWHM criterion
  • SSEF Courses in 2009
  • SSEF Photocard
  • SSEF and Gem-A (London) Link-Up
  • CIBJO, LMHC
  • Conferences 2009
  • Field trips 2009

 

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SSEF Facette No. 16, 2009

featured articles:

  • The future of gem testing
  • Winza rubies
  • Micro x-ray tomography of pearls
  • Age determination of pearls
  • Flux grown synthetic spinel
  • Coatings on gemstones
  • The Wittelsbach diamond
  • Courses in 2009
  • SSEF Alumni Association
  • New SSEF Logo and Reports
  • SSEF and Burma
  • SSEF shuttle service
  • News from CIBJO, LMHC, and CEN

 

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SEF Facette No. 15, 2008

featured articles:

  • New: Mobile UV-Vis spectrometer
  • Jadeite Jade
  • SSEF research with LA-ICP-MS
  • Beryllium in sapphire
  • Synthetic CVD diamonds
  • Study of a 296 ct rough diamond
  • Courses in 2008
  • SSEF Alumni Association
  • SSEF expands into Asia
  • New shuttle service
  • News from CIBJO and LMHC

 

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SSEF Facette No. 14, 2007

featured articles:

  • Small diamonds
  • Gemstones from Tanzania
  • “Chocolate Pearls”
  • Origin determination of “Paraiba Tourmalines”
  • SSEF Courses 2007
  • SSEF Alumni Association
  • Shaping the future of SSEF
  • News from CIBJO and LMHC

 

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SSEF Facette No. 13, 2006

featured articles:

  • Trip to African gem sources
  • Lizard in amber an artefact?
  • CVD synthetic diamond
  • Dyeing of gemstones
  • Lead glass in ruby
  • SSEF Courses 2006
  • SSEF Alumni Association
  • News from CIBJO and LMHC

 

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SSEF Facette No. 12, 2005

featured articles:

  • Diamonds are forever
  • New Diamond Courses 2005
  • Coral in vogue
  • LIBS in gemmology
  • Lead glass in ruby
  • New: Launching of SSEF Alumni
  • News from CIBJO and LMHC
  • GemmoBasel 2005

 

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SSEF Facette No. 11, 2004

featured articles:

  • The magic and science of pearls
  • Pezzottaite, a new mineral and gemstone
  • CVD synthetic diamonds and HPHT treatment of diamonds
  • New sapphires from Sri Lanka: diffusion treated or not?
  • LIBS: Detection of beryllium diffusion treated corundum
  • LMHC: The use of a harmonized terminology on certificates starts

 

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