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  • Testing
    • How to submit

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

      How to submit
    • Quick links
      • Pricing
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  • Education
    • Gemmological courses

      Please click on the button below to discover SSEF’s gemmological course options, calendar and prices.

      Discover our courses
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      • Basic Diamonds
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      • Scientific Gemmology Course
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2023

Further Characterisation of Native Copper Inclusions in Cu-Bearing Tourmaline

Further Characterisation of Native Copper Inclusions in Cu-Bearing Tourmaline. The Journal of Gemmology, 38(5), 427-429.

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Authors

  • D. Grolimund
  • D. Mathys
  • H.A.O. Wang
  • L. Franz
  • M.S. Krzemnicki
  • R. Schultz-Guttler
Research Articles
Tourmaline
2023

Preliminary study of defocused PL measurements of diamonds

Preliminary study of defocused PL measurements of diamonds. IGC 2021 Proceedings, 10-11.

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Authors

  • H.A.O. Wang
  • J. Xaysongkham
  • J.-P. Chalain
  • L. Phan
  • L. Speich
  • M.S. Krzemnicki
Research Articles
Diamond
2023

Synthetic moissanite with reflectivity of diamond

Synthetic moissanite with reflectivity of diamond. The Journal of Gemmology, 38(4), 323-325.

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Authors

  • J.-P. Chalain
  • L. Speich
  • M.S. Krzemnicki
Research Articles
Diamond
2023

Petrology, geothermobarometry and geochemistry of granulite facies wall rocks and hosting gneiss of gemstone deposits from the Mogok area (Myanmar)

Petrology, geothermobarometry and geochemistry of granulite facies wall rocks and hosting gneiss of gemstone deposits from the Mogok area (Myanmar). Journal of Asian Earth Sciences, X 9, 100132.

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Authors

  • C. de Capitani
  • L. Franz
  • M.M. Phyo
  • M.S. Krzemnicki
  • R.L. Romer
  • W.A. Balmer
Research Articles
Gemmology
2023

Cobalt-bearing Blue Spinel from Lukande, near Mahenge, Tanzania

Cobalt-bearing Blue Spinel from Lukande, near Mahenge, Tanzania. The Journal of Gemmology, 38(5), 474–493.

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Authors

  • A. Leuenberger
  • M.S. Krzemnicki
  • W.A. Balmer
Research Articles
Spinel
2022

Coral-ID: A forensically validated genetic test to identify precious coral material and its application to objects seized from illegal traffic

Coral-ID: A forensically validated genetic test to identify precious coral material and its application to objects seized from illegal traffic. Forensic Science International: Genetics 58 (2022), 102663

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Authors

  • A. Kratzer
  • B. Lendvay
  • F. Costantini
  • L.E. Cartier
  • M.S. Krzemnicki
  • M.V. Everett
  • N. Iwasaki
  • N.V. Morf
Research Articles
GemmologyOrganics
2022

DNA fingerprinting as a tool in modern gemmology

DNA fingerprinting as a tool in modern gemmology. Journal of the Gemm. Association of Hong Kong, Vol. 43, 13-17.

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Authors

  • B. Lendvay
  • L.E. Cartier
  • M.S. Krzemnicki
Research Articles
DNAGemmology
2022

Demantoid from Kerman Province, South-east Iran: A Mineralogical and Gemmological Overview

Demantoid from Kerman Province, South-east Iran: A Mineralogical and Gemmological Overview. The Journal of Gemmology, 38(4), 329–347.

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Authors

  • A.M. Hirt
  • M.S. Krzemnicki
  • V. Ahadnejad
Research Articles
2022

Paraiba or Not? Cu-bearing Tourmaline with a Distinct Fe Concentration

Paraiba or Not? Cu-bearing Tourmaline with a Distinct Fe Concentration. Published in Journal of Gemmology, 2022, 38 (1), 20-22.

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Authors

  • H.A.O. Wang
  • M.S. Krzemnicki
Research Articles
GeochemistryTourmaline
2022

Damage caused to gemstones by lasers during jewellery repair

Damage caused to gemstones by lasers during jewellery repair. Journal of the Gemm. Ass. of Hong Kong, Vol. 43, 23-27.

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Authors

  • K. Schollenbruch
  • L. Kiefert
  • M.S. Krzemnicki
Research Articles

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  • Testing
    • How to submit

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

      How to submit
    • Quick links
      • Pricing
      • Digital order form
      • Download order form (pdf)
      • Small diamond order form (pdf)
      • On-site testing
    • Reports
      • Verify a SSEF report
      • Understanding a SSEF report
      • SSEF Premium reports
      • GemTrack™
      • Age Dating
      • DNA Fingerprinting
    • More info
      • Coloured Gemstones
      • Diamonds
      • Pearls
      • Small Diamonds
      • Jewellery
  • Education
    • Gemmological courses

      Please click on the button below to discover SSEF’s gemmological course options, calendar and prices.

      Discover our courses
    • Course options
      • Basic Gemmology
      • Basic Diamonds
      • Advanced Coloured Gemstones
      • Advanced Jewellery
      • Advanced Pearls
      • Advanced Small Diamonds
      • Scientific Gemmology Course
    • More courses with us
      • Understanding Gemstones – Free Online Courses by SSEF
      • Tailored Courses
      • Gem-A Courses & Exams
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