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

₀
Cart

01/01/1995

Rubies from Mong Hsu

Share

Email
Twitter
Facebook
Google +
Pinterest
Tumblr
Linkedin
Vkontakte

Authors: Adolf Peretti, Karl Schmetzer, Heinz-Jürgen Bernhardt, Fred Mouawad
Published in: Gems & Gemology

Download Publication

10/09/2015

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

Introducing GRS brilliancy-type “vibrant” 14/11/2019

Reply to CIBJO Gemmological Commissions’ special report on sapphires heat treated under pressure 28/10/2019

Retake of GRS presentation on HPHT-treated sapphires from 2019 GILC meeting in Tucson, AZ 05/02/2019

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' 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

© 2019 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