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Important Headlines
GRS publishes the discovery of a new sapphire mine in Sri Lanka on Youtube
GRS Highest Alert Level: New generation of diffusion-treated sapphire appear in large numbers on the market
Volcanic Host Rock of Tibetan Red Andesine Discovered
GRS and AGL collaborate on research and harmonize the description of lead-glass treated rubies.
May 2012
19th December 2011
September 2011
September 2011
The most likely primary source of Tibetan red andesine: A geologist's perspective
Supplement to Contributions to Gemology No. 10
Launch of Contributions to Gemology No.10 at the Swiss University (ETZ ZH) 13th July 2011 in Zurich.
Jubilee GRS Journal No. 10 focuses on a new test using isotopes for identifying copper-bearing andesine from Tibet.
Mineralogical Society of America (MSA and GRS cooperation on distribution of Contributions to Gemology)
August 2011
July 2011
July 2011
January 2011
Best of Contributions to Gemology on Rare Collector Gems (Reprinted Summary Issue No. 3 and No.5)
December 2010
GRS hosts a conference in Hong Kong on the 22nd of September 2009 on Identification test for Copper-bearing gemstones using copper-isotope ratio determinations by Femtosecond Laser Ablation-MC-ICP-MS
GRS defines its Coporate Social Responsability (CSR) and forms ethics committee
GRS Online Report Verification System now translate your search results into 43 languages
September 2009
July 2009
May 2009
Dr. Peretti full speech movie with Chinese translation held at the ICA Congress in China about research on Winza Rubies and Paraiba-tourmalines, viewed by over 500 attendees
GRS publishes a book on the "paraiba"-type Tourmalines from Brazil and Mozambique. Book released and signed at the ICA Congress in China on the May 8, 2009. For speech see movie
New Color-Descriptions for Rubies and Sapphires on GRS Reports:
Kashmir-Blue
and
Magnificent-Red
GRS publishes a book on the discovery and research of new mines in Tanzania for important gem-quality rubies
May 2009
May 2009
March 2009
January 2009
GRS publishes a DVD on the discovery and research of new mines in Tanzania for important gem-quality rubies
January 2009
Important chemical and structural data on Johachidolite published by Universities of Switzerland and GRS in Schreyer Memorial Issue of European Journal of Mineralogy.
New 2-dimensional barcode added on GRS Reports which will allow to verify GRS Reports by mobile phones or computers and translate the report into 11 languages.
Discovery of a very important new source for gem quality rubies in Tanzania “Winza“-(Dodoma province).
Important editorial comment
DVD documentarty on 15 years of research by GRS in Mogok from 1994 to 2008 is released in Tucson in 2008 (Contributions to Gemology No. 6)
Launch of GRS charity project for children in Mogok.
November 2008
May 2008
May 2008
January 2008
Discovery of the origin of one the rarest gems in the world "Johachidolite" is featured in new Journal of Contributions to Gemology No.5.
GRS New Treatment Alert 31st August 2007: Clarity enhancement of rubies with a foreign solid filler including Bismuth (
bismuth-glass-treatment
) (
September Update
).
GRS proudly announces the opening of it's new, high tech laboratory in the center of Geneva
Advanced Research for Origin Identification in Unheated Sapphires by GRS Gemresearch Swisslab
November 2007
August 2007
May 2007
April 2007
GRS “Paraiba”-Tourmaline Research Completed, Reporting Policy of GRS
GRS finds World-Record Painite of over 3,165cts in weight
Detailed chemical profile across the new Be-Treated Blue Sapphires
Beryllium-treatement of blue sapphire in
Chinese
and
Thai
報告藍寶經過鈹處理(Be-treated)
在商業突顯重要的身份(大小大於10克拉品質好的
June 2006
May 2006
March 2006
March 2006
Statistics on Appearance of Beryllium-Treated Blue Sapphires
March 2006
GRS launches Journal No.4
5 years jubilee summary edition focusing Beryllium-Treatment.
New Record of GRS Certified Gems Appearing at Auctions
GRS Report Verification Goes Mobile
Inclusion properties in Be-treated blue sapphire
December 2005
November 2005
November 2005
January 2006
GRS Opening well-received by Sri Lankan gem industry
Grand Opening of a new Partner Company of GRS Gemresearch Swisslab AG, Switzerland
New lead-substance fissure filling in rubies (GRS report sample) and Identification (ID) help
Rarest gemstone
"Painite" (54ct) in GRS collection
. World largest and most extensively researched (American Mineralogist).
May 2005
May 2005
March 2005
March 2005
Low cost Beryllium testing available at GRS
Further increase in demand for GRS reports for unheated gemstones
GRS Launches Journal No.3
GRS Online Report Verification System
January 2005
October 2004
September 2004
August 2004
GRS goes Mobile
Challenging discovery of a new species in the world of minerals and gemstones: Pezzottaite
New Sapphire Treatment
February 2004
January 2004
January 2004
Premiere of Namya Movie, Grand Hyatt Hotel, Hong Kong (Press Conference)
GRS Launches Journal No.2 with new gemological discoveries at Hong Kong Fair
September 2003
September 2003
GRS research opportunities considerably increased through cooperation with
Prof. Dr. B. Grobety
GRS will be presented on Swiss Television on channel SF2
December 22, 2002 at 21:30
Title:"Edle Steine"
Prof. Dr.D. Günther
(LA-ICP-MS)
New Member of GRS
Board of Directors
GRS Policy on reporting of new treatment
English
French
Japanese
German
Thai
December 2002
November 2002
November 2002
November 2002
(modified 2003)
GRS founded its own pioneering journal
July 2002
Dr. Peretti Euro.Geol.
August 2000
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