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Showing posts with label Richard Hughes. Show all posts
Showing posts with label Richard Hughes. Show all posts

Sunday, September 05, 2021

Jade: A Gemologist's Guide

History. Sources. Identification. Appraisal. Treatments. A must-have book for all collectors, dealers, gemologists, appraisers, curators and anyone else with an interest in jade.


Useful link:

Sunday, April 11, 2021

Sunday, September 20, 2020

FTIR In Gem Testing

For practising gemologists only. Many thanks to Richard Hughes and Wimon Manorotkul for sharing an insightful article. Analytical instruments require a skilled operator to extract its full potential. Lifelong learning is a must-have skill in applied gemology.


Useful link:
 https://lotusgemology.com/index.php/library/articles/461-ftir-in-gem-testing-a-pink-sapphire-lesson