Skip to the content

Basel, Switzerland

Language:

  • EN
    • CN
    • TCN
    • FR
    • DE
    • JP
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
      • Testing prices
      • Shipping prices
      • Digital order form
      • Credit card payments
      • 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
      • SSEF Auction Highlights
  • Education
    • Gemmological courses

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

      Discover all courses
      Apply for SSEF course
    • In-person courses
      • Basic Gemmology
      • Basic Diamonds
      • Advanced Coloured Gemstones
      • Advanced Jewellery
      • Advanced Pearls
      • Advanced Small Diamonds
      • Scientific Gemmology
      • Scientific Diamonds
    • Further options
      • Free Online Courses by SSEF
      • The Emerald Course NEW
      • Tailored Courses
      • Gem-A Lab Classes & Exams
      • SSEF Education Scholarships
      • SSEF Gem Gallery
  • Research
    • Research vision
    • Research library
    • GemTOF
  • Instruments
  • Media
    • Facette Magazine
    • SSEF News
    • Press Releases
    • SSEF in the Press
    • The Hidden Gem Podcast
  • About
    • About SSEF
    • SSEF Team
    • Contributions
  • 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
      • Testing prices
      • Shipping prices
      • Digital order form
      • Credit card payments
      • 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
      • SSEF Auction Highlights
  • Education
    • Gemmological courses

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

      Discover all courses
      Apply for SSEF course
    • In-person courses
      • Basic Gemmology
      • Basic Diamonds
      • Advanced Coloured Gemstones
      • Advanced Jewellery
      • Advanced Pearls
      • Advanced Small Diamonds
      • Scientific Gemmology
      • Scientific Diamonds
    • Further options
      • Free Online Courses by SSEF
      • The Emerald Course NEW
      • Tailored Courses
      • Gem-A Lab Classes & Exams
      • SSEF Education Scholarships
      • SSEF Gem Gallery
  • Research
    • Research vision
    • Research library
    • GemTOF
  • Instruments
  • Media
    • Facette Magazine
    • SSEF News
    • Press Releases
    • SSEF in the Press
    • The Hidden Gem Podcast
  • About
    • About SSEF
    • SSEF Team
    • Contributions
  • Contact
logo mainlogo darklogo light
2010

Künstliches Glas mit interessantem Farbeffekt – Grüsse aus dem Weltall oder doch sehr irdisch?

Künstliches Glas mit interessantem Farbeffekt – Grüsse aus dem Weltall oder doch sehr irdisch?. Gold’Or (2010) Author(s): M.S. Krzemnicki

Download PDF

Authors

  • M.S. Krzemnicki
Research Articles
Other Gemstones
2010

Verre artificiel changeant de couleur – Une pierre “extraterrestre”

Verre artificiel changeant de couleur – Une pierre “extraterrestre”  Gold’Or (2010) Author(s): M.S. Krzemnicki

Download PDF

Authors

  • M.S. Krzemnicki
Research Articles
Other Gemstones
2009

Moonstones and Co: a brief review of the feldspar group

Moonstones and Co: a brief review of the feldspar group. Published in 2009. Author(s): H.A. Haenni

Download PDF

Authors

  • H.A. Haenni
Research Articles
Other Gemstones
2008

Serpentinite artefact resembling Libyan desert glass

Serpentinite artefact resembling Libyan desert glass. Published in Gems & Gemology, 2008. Author(s): M.S. Krzemnicki

Download PDF

Authors

  • M.S. Krzemnicki
Research Articles
Other Gemstones
2007

Gem-quality taafeeites and musgravites from Africa

Gem-quality taafeeites and musgravites from Africa. Published in Journal of Gemmology, 2007. Author(s): K. Schmetzer, M.S. Krzemnicki, H.A. Haenni, H.-J. Bernhardt, T. Pettke

Download PDF

Authors

  • H.-J. Bernhardt
  • H.A. Haenni
  • K. Schmetzer
  • M.S. Krzemnicki
  • T. Pettke
Research Articles
Other Gemstones
2007

Transparent dumortierite and sapphirine from Tunduru, Tanzania

Transparent dumortierite and sapphirine from  Tanzania. Published in Gems & Gemology, 2007. Author(s): H.A. Haenni

Download PDF

Authors

  • H.A. Haenni
Research Articles
Other Gemstones
2006

The orientation and symmetry of light spots and asterism in rose quartz spheres from Madagascar

The orientation and symmetry of light spots and asterism in rose quartz spheres from Madagascar. Published in Journal of Gemmology, 2006. Author(s): K. Schmetzer, M.S. Krzemnicki

Download PDF

Authors

  • K. Schmetzer
  • M.S. Krzemnicki
Research Articles
Other Gemstones
2006

A Raman investigation of the amblygonite-montebrasite series

A Raman investigation of the amblygonite-montebrasite series. Published in Canadian Mineralogist, 2006. Author(s): B. Rondeau, E. Fritsch, P. Lefevre, M. Guiraud, A.-M. Fransolet, Y. Lulsac

Download PDF

Authors

  • A.-M. Fransolet
  • B. Rondeau
  • E. Fritsch
  • M. Guiraud
  • P. Lefevre
  • Y. Lulsac
Research Articles
MethodsOther Gemstones
2006

Uncommon minerals of gemstone quality from Tanzania

Uncommon minerals of gemstone quality from Tanzania. Published in GIT Proceedings, 2006. Author(s): H.A. Haenni

Download PDF

Authors

  • H.A. Haenni
Research Articles
Other Gemstones
2006

Gemmological properties and chemical composition of gemquality taaffeites and musgravites from Sri Lanka and Africa

Gemmological properties and chemical composition of gem-quality taaffeites and musgravites from Sri Lanka and Africa. Published in GIT Proceedings, 2006. Author(s): K. Schmetzer, M.S. Krzemnicki, H.A. Haenni, H.-J. Bernhardt

Download PDF

Authors

  • H.-J. Bernhardt
  • H.A. Haenni
  • K. Schmetzer
  • M.S. Krzemnicki
Research Articles
Other Gemstones

Posts pagination

01 … 05 06 07 … 010

Search for articles

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 INSTITUT
SWISS GEMMOLOGICAL INSTITUTE
INSTITUT SUISSE DE GEMMOLOGIE
© 2026 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

Newsletter

Follow the latest SSEF news

  • Testing
    • Testing prices
    • Shipping prices
    • How to submit
    • Order Form
    • On-site testing
    • Reports
      • Verify a SSEF report
      • Understanding a SSEF report
      • SSEF Premium reports
      • GemTrack™
      • Age Dating
      • DNA Fingerprinting
  • Education
    • Course options
    • Frequently asked questions
    • Further options
      • Understanding Gemstones – Free Online Courses by SSEF
      • The Emerald Course NEW
      • Tailored Courses
      • Gem-A Lab Classes & Exams
      • SSEF Education Scholarships
      • SSEF Gem Gallery
  • Research
    • Research vision
    • Research library
    • GemTOF
  • Instruments
  • Media
    • Facette Magazine
    • SSEF News
    • Press Releases
    • SSEF in the Press
  • About
    • About SSEF
    • SSEF Team
    • Contributions
  • 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 {vendor_count} vendors
  • Read more about these purposes
View preferences
  • {title}
  • {title}
  • {title}