GRS GemResearch Swisslab AG
  • About
    • Company Profile
    • Dr. A. Peretti
  • News
  • GRS Reports
    • Gemstone Reports
    • Enhancement Disclosure
    • Shipping Information
    • Prices
  • Research
    • Analytical Methods
    • Inclusion Gallery
  • Publications
    • Article Library
    • Video Library
    • Contributions to Gemology
    • Auction References
    • Shop
  • Shop
  • Report Verification
  • Contact
  • 0
    Cart
08/01/2016

Q&A – GRS forges solid path in gem treatment detection

Authors: Adolf Peretti Published in: Jewellery News Asia – January 2016 Download Publication

Emerald, PDF, Perettiite, Rare Minerals, Ruby, Sapphire, Spinel, Synthetics, Various
02/11/2015

Perettiit – Ein Mineral erhält den Namen seins Entdeckers Dr. Adolf Peretti

Authors: Bryan Pavlik Published in: Gemmo News Ausgabe 42 Download Publication

PDF, Perettiite, Rare Minerals, Various
04/09/2015

Die Bündner Berge waren der Schlüssel

Authors: Michelle Russi Published in: Bündner Tagblatt Download Publication

Perettiite, Rare Minerals, Various
19/08/2015

Luzerner Firma identifiziert neues Mineral

Authors: PD Published in: Neue Luzerner Zeitung Download Publication

Perettiite, Rare Minerals, Various
01/01/2014

Q&A – GRS takes a deeper look at coloured gems

Authors: Adolf Peretti Published in: Jewellery News Asia – January 2014 Download Publication

Various
01/03/2013

The story of pearls – An elemental perspective

Authors: Adolf Peretti, Steffen Allner, Francesca Peretti, Kathrin Hametner, Mattias Fricker, Detlef Günther Published in: Chimia International Journal for Chemistry Download Publication

Various
01/06/2011

Fluid inclusions confirm authenticity of Tibetan andesine

Authors: Adolf Peretti, Willy Bieri, Kathrin Hametner, Detlef Günther, Richard W. Hughes Published in: ICA InColor – Summer 2011 Download Publication

Various
01/05/2011

Distinguishing natural Tibetan copper-bearing andesine from its diffusion-treated counterparts using advanced analytical methods

Authors: Adolf Peretti, Igor Villa, Willy Bieri, Kathrin Hametner, Ladina Dorta, Gisela Fontaine, Mario Meier, Detlef Günther Published in: Contributions to Gemmology No. 10 Download Publication

Various
01/10/2010

Authenticity and provenance studies of copper-bearing andesines using Cu isotope ratios and element analysis by fs-LA-MC-ICPMS and ns-LA-ICPMS

Authors: Adolf Peretti, Gisela H. Fontaine, Kathrin Hametner, Detlef Günther Published in: Analytical and Bioanalytical Chemistry Download Publication

Various
01/01/2010

Characterization of gemstones by multiple excitation EDXRF

Authors: Adolf Peretti, M. Haller, V, Rößiger, D. Günther Published in: Helmut Fischer GmbH Publication Download Publication

Various
  • 1
  • 2
  • 3
Latest GRS Alerts
New types of synthetic periclase identified by C2S inclusions – dicalcium silicate cement hardener 19/12/2018
Warning: Synthetic Padparadscha sold as Natural in the trade. 11/09/2018
GRS Alert: Unusual phosphorescent pebbles identified as synthetic aggregates 24/04/2016
Recent Posts
Video: Mozambique Ruby Collection – A Lifetime Experience 05/05/2020
Color stability test: Overview of “type” classifications 23/12/2019
Introducing GRS brilliancy-type “vibrant” 14/11/2019
GRS Newsletter

Unable to display Facebook posts.
Show error

Error: (#10) This endpoint requires the 'manage_pages' or 'pages_read_engagement' permission or the 'Page Public Content Access' feature. Refer to https://developers.facebook.com/docs/apps/review/login-permissions#manage-pages and https://developers.facebook.com/docs/apps/review/feature#reference-PAGES_ACCESS for details.
Type: OAuthException
Code: 10
Please refer to our Error Message Reference.
  • Contact Us
  • GRS on Twitter
  • GRS On Facebook
  • GRS On Google+
  • GRS On Pinterest
  • GRS On Instagram
  • GRS On YouTube
© 2020 GRS GemResearch Swisslab AG | www.gemresearch.ch
  • Disclaimer
  • Company Profile
  • News
  • Gemstone Reports
  • Contact
  • Privacy Policy
  • GRS Report Verification
We use cookies to ensure that we give you the best experience on our website. If you continue to use this site we will assume that you agree with it.OkPrivacy policy