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  • Testing
    • How to submit

      Please click on the button below to get all the necessary information for your testing inquiries.

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    • More info
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  • Education
    • Gemmological courses

      Discover SSEF’s gemmological courses, calendar, and prices.

      Discover all courses
    • In-person courses
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      • Advanced Coloured Gemstones
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      • Advanced Pearls
      • Advanced Small Diamonds
      • Scientific Gemmology
      • Scientific Diamonds
    • Further options
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2012

Jade, Stone of “gods”: Terms, Concepts & Certification

Jade, Stone of “Gods”: Terms, Concepts & Certification

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Authors

  • M.S. Krzemnicki
Research Articles
Jade
2011

A historic turquoise jewelry set containing fossilized dentine (odontolite) and glass

A historic turquoise jewelry set containing fossilized dentine (odontolite) and glass. Published in Gems & Gemology, 2011. Author(s): M.S. Krzemnicki, F. Herzog, W. Zhou

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Authors

  • F. Herzog
  • M.S. Krzemnicki
  • W. Zhou
Research Articles
Other GemstonesTreatments
2011

Analysis of rubies with corroded surfaces

Analysis of rubies with corroded surfaces. Journal of Gemmological Association of Hong Kong (2011) Author(s): M.S. Krzemnicki

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Authors

  • M.S. Krzemnicki
Research Articles
Ruby
2011

Spinel (Chinese)

Spinel (Chinese) in Jewellery Information 2011 Author(s) :M.S. Krzemnicki

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Authors

  • M.S. Krzemnicki
Research Articles
Spinel
2011

Ming pearls: A new type of cultured pearl from China

Ming pearls: A new type of cultured pearl from China. The Journal of the Gemmological Association of Hong Kong (2011) Author(s): H.A. Haenni

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Authors

  • H.A. Haenni
Research Articles
Pearl
2011

Microtomografia computadorizada distingue pérolas naturais das cultivadas com nucleo e sem nucleo (Spanish)

Microtomografia computadorizada distingue pérolas naturais das cultivadas com nucleo e sem nucleo (Spanish) Author(s): M.S. Krzemnicki

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Authors

  • M.S. Krzemnicki
Research Articles
Pearl
2011

Saphirs de couleur fantaisie, diversité multicolore d’une gemme classique

Saphirs de couleur fantaisie; diversité multicolore d’une gemme classique Author(s): M.S. Krzemnicki

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Authors

  • M.S. Krzemnicki
Research Articles
Sapphire
2011

Fantasiefarbene Saphire: Die attraktive Farbenvielfalt eines klassischen Edelsteins

Fantasiefarbene Saphire: Die attraktive Farbenvielfalt eines klassischen Edelstein. Gold’Or (2011) Author(s): M.S. Krzemnicki

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Authors

  • M.S. Krzemnicki
Research Articles
Sapphire
2011

Diamant-Typen: Identifikation und Bestimmung von Behandlungen

Diamant-Typen: Identifikation und Bestimmung von Behandlungen. Gold’Or (2011) Author(s): J.-P. Chalain

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Authors

  • J.-P. Chalain
Research Articles
Diamond
2010

El SSEF denuncia la invasión de perlas “Keshi” cultivadas

El SSEF denuncia la invasión de perlas “Keshi” cultivadas. Author(s): M.S. Krzemnicki

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Authors

  • M.S. Krzemnicki
Research Articles
Pearl

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