Skip to the content

Basel, Switzerland

  • Français
logo mainlogo darklogo light
  • 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
      • ATC Coloured Gemstones
      • ATC Gems & 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
  • Research library
  • Products
  • Media
  • About
  • Contact
logo main
  • 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
      • ATC Coloured Gemstones
      • ATC Gems & 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
  • Research library
  • Products
  • Media
  • About
  • Contact
logo mainlogo darklogo light
2017

Emeralds and the saga of cleaning and filling fissures

Emeralds and the saga of cleaning and filling fissures. Facette (2017) Author(s): M.S. Krzemnicki

Download PDF

Authors

  • M.S. Krzemnicki
Research Articles
EmeraldTreatments
2015

Case study on an emerald bead: Is it from the ancient mines in Egypt or not?

Case study on an emerald bead: Is it from the ancient mines in Egypt or not? Published in Journal of Gemmological Association of Hong Kong GAHK, 2015, 35, 46-49. Author(s): M.S. Krzemnicki, L.E. Cartier, W. Zhou

Download PDF

Authors

  • L.E. Cartier
  • M.S. Krzemnicki
  • W. Zhou
Research Articles
EmeraldOrigins
2012

Colourful Treasures of Nature: Ruby, Sapphire, Emerald & Pearls (2012)

2012 Christie’s expert lecture by Dr. Michael Krzemnicki on exceptional coloured gemstones and natural pearls.

Presentations
EmeraldPearlRubySapphire
2004

Asterism in beryl, aquamarine and emerald- an update

Asterism in beryl, aquamarine and emerald- an update. Published in Journal of Gemmology, 2004. Author(s): K. Schmetzer, L. Kiefert, H.A. Haenni

Download PDF

Authors

  • H.A. Haenni
  • K. Schmetzer
  • L. Kiefert
Research Articles
EmeraldGemmologyOther Gemstones
2003

Der Binntal Smaragd als Juwel

Der Binntal Smaragd als Juwel. Published in Schweizer Strahler, 2003. Author(s): M.S. Krzemnicki, G. Bosshart

Download PDF

Authors

  • G. Bosshart
  • M.S. Krzemnicki
Research Articles
Emerald
2002

Les nouvelles mines d’émeraudes de la Pita (Colombie)

Les nouvelles mines d’émeraudes de la Pita (Colombie). Published in Revue A.F.G. by Fritsch et al (2002)

Download PDF

Authors

  • J.-P. Chalain
Research Articles
EmeraldOrigins
2001

Emerald treatments: their effects and how to recognize them

Emerald treatments: their effects and how to recognize them. Published in 2001. Author(s): L. Kiefert

Download PDF

Authors

  • L. Kiefert
Research Articles
EmeraldTreatments
2001

Behandlungen von Smaragd

Behandlungen von Smaragd. Published in 2001. Author(s): L. Kiefert

Download PDF

Authors

  • L. Kiefert
Research Articles
EmeraldTreatments
1999

Multicomponent inclusions in Nacken synthetic emeralds

Multicomponent inclusions in Nacken synthetic emeralds. Published in Journal of Gemmology, 1999. Author(s): K. Schmetzer, L. Kiefert, H.-J. Bernhardt

Download PDF

Authors

  • H.-J. Bernhardt
  • K. Schmetzer
  • L. Kiefert
Research Articles
EmeraldSynthetics
1999

Identification of filler substances in emeralds by infrared and Raman spectroscopy

Identification of filler substances in emeralds by infrared and Raman spectroscopy. Published in Journal of Gemmology, 1999. Author(s): H.A. Haenni

Download PDF

Authors

  • H.A. Haenni
  • J.-P. Chalain
  • L. Kiefert
  • W. Weber
Research Articles
EmeraldTreatments

Posts navigation

01 02 03 … 06

Search

Categories

  • Research Blog
  • Research Articles
  • Presentations

Tags

Age Dating Diamond DNA Emerald Gemmology Geochemistry Jade Methods Organics Origins Other Gemstones Pearl Ruby Sapphire Spinel Synthetics Tourmaline Traceability Treatments

Discover our annual magazine

logo SSEF
SCHWEIZERISCHES GEMMOLOGISCHES INTITUT
SWISS GEMMOLOGICAL INSTITUTE
INSTITUT SUISSE DE GEMMOLOGIE
© 2023 SSEF
Legal Disclosure | Terms & Conditions
Disclaimer | Privacy Policy

Address

Aeschengraben 26
CH-4051 Basel
Switzerland

Tel: +41 61 262 06 40

Fax: +41 61 262 06 41

Social

Instagram LinkedIn Twitter

Newsletter

Be up to date with new products

  • Home
  • Testing
    • How to submit
    • Pricing
    • On-site testing
  • Reports
    • Verify a SSEF report
    • Understanding a SSEF report
    • SSEF Premium reports
    • GemTrack
    • Age Dating
    • DNA Fingerprinting
  • Education
    • Gemmological courses
    • Understanding Gemstones – Free Online Courses by SSEF
    • Tailored Courses
    • Gem-A Courses & Exams
  • Research library
  • Products
  • Media
  • About SSEF
  • Contact
Manage Cookie Consent
To provide the best experiences, we use technologies like cookies to store and/or access device information. Consenting to these technologies will allow us to process data such as browsing behavior or unique IDs on this site. Not consenting or withdrawing consent, may adversely affect certain features and functions.
Functional Always active
The technical storage or access is strictly necessary for the legitimate purpose of enabling the use of a specific service explicitly requested by the subscriber or user, or for the sole purpose of carrying out the transmission of a communication over an electronic communications network.
Preferences
The technical storage or access is necessary for the legitimate purpose of storing preferences that are not requested by the subscriber or user.
Statistics
The technical storage or access that is used exclusively for statistical purposes. The technical storage or access that is used exclusively for anonymous statistical purposes. Without a subpoena, voluntary compliance on the part of your Internet Service Provider, or additional records from a third party, information stored or retrieved for this purpose alone cannot usually be used to identify you.
Marketing
The technical storage or access is required to create user profiles to send advertising, or to track the user on a website or across several websites for similar marketing purposes.
Manage options Manage services Manage vendors Read more about these purposes
View preferences
{title} {title} {title}