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Showing posts with label SSEF. Show all posts
Showing posts with label SSEF. Show all posts

Thursday, April 15, 2021

Understanding Gemstones

The Swiss Gemmological Institute SSEF has launched a series of free-of-charge, online courses, entitled Understanding Gemstones. The gems currently covered are diamonds, emeralds, pearls, rubies and sapphires. 


Useful link: https://www.ssef.ch

Saturday, March 27, 2021

New High-Quality Emerald Type

The first detailed study characterizing an emerald type from Afghanistan that has recently become available in the gemstone trade has been prepared by a team of scientists from the Swiss Gemmological Institute (SSEF) and published in the most recent edition of Journal of Gemmology. Must read.


Useful links: https://www.ssef.ch I https://gem-a.com/jog-volume-37-issue-5

Thursday, November 07, 2019

Automated Spectral Diamond Inspection (ASDI)

The SSEF believes the device performs with 100-percent accuracy identifying and separating small natural diamonds from synthetics, treated, and imitations.


Useful links:
https://www.ssef.ch
http://www.idexonline.com/FullArticle?Id=45328

Monday, June 30, 2014

The Automated Diamond Spectral Inspection

The Swiss Gemmological Institute in Basel has become the latest laboratory to create an instrument designed to separate lab-grown melee diamonds from mined.

Useful link:
http://www.ssef.ch