About
- Company Profile
- Dr. A. Peretti
News
GRS Reports
Research
- Analytical Methods
- Inclusion Gallery
Publications
Shop
Report Verification
Contact

₀
Cart

01/04/1998

Die Saphire von Andranondambo

Share

Email
Twitter
Facebook
Google +
Pinterest
Tumblr
Linkedin
Vkontakte

Authors: Adolf Peretti, Eduard J. Gübelin
Published in: NZZ Neue Zürcher Zeitung

Download Publication

11/10/2015

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

Leave this field empty if you're human:

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.Ok Privacy policy