Get to know Rod Griffin.
Useful links:
https://www.gia.edu/gems-gemology/spring-2019-gemnews-boulder-opal-mining-with-rod-griffin
https://opalicon.com
P.J.Joseph's Weblog On Colored Stones, Diamonds, Gem Identification, Synthetics, Treatments, Imitations, Pearls, Organic Gems, Gem And Jewelry Enterprises, Gem Markets, Watches, Gem History, Books, Comics, Cryptocurrency, Designs, Films, Flowers, Wine, Tea, Coffee, Chocolate, Graphic Novels, New Business Models, Technology, Artificial Intelligence, Robotics, Energy, Education, Environment, Music, Art, Commodities, Travel, Photography, Antiques, Random Thoughts, and Things He Like.
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Showing posts with label Duncan Pay. Show all posts
Showing posts with label Duncan Pay. Show all posts
Tuesday, September 17, 2019
Wednesday, July 10, 2019
Studies On Tourmaline, Sapphire, Cultured Pearl, And A Reliquary Of Legend
A must read for gem dealers and gemologists.
Useful link:
https://www.gia.edu/gems-gemology/spring-2019-editorial
Useful link:
https://www.gia.edu/gems-gemology/spring-2019-editorial
Tuesday, June 05, 2018
Monday, June 04, 2018
The Beauty Of Natural Green Diamonds
A brilliant article by Duncan Pay.
Useful link:
https://www.gia.edu/gems-gemology/spring-2018-editorial
Useful link:
https://www.gia.edu/gems-gemology/spring-2018-editorial
Wednesday, February 28, 2018
Sunday, December 03, 2017
A Review of HPHT Synthetic Diamonds Grown For Jewelry Use
Synthetic diamonds are now a market reality.
Useful link:
https://www.gia.edu/gems-gemology/fall-2017-editorial
Useful link:
https://www.gia.edu/gems-gemology/fall-2017-editorial
Sunday, August 06, 2017
Tuesday, July 25, 2017
Thursday, July 20, 2017
Monday, July 03, 2017
Thursday, June 15, 2017
Sunday, May 21, 2017
Wednesday, November 09, 2016
Tuesday, August 09, 2016
Monday, May 23, 2016
Wednesday, March 30, 2016
Friday, September 25, 2015
Thursday, July 30, 2015
Fine Corundum, Demantoid Garnet
Duncan Pay was spot on. A must read.
Useful link:
http://www.gia.edu/gems-gemology/spring-2015-gemnews-fine-corundum-demantoid-garnet
Useful link:
http://www.gia.edu/gems-gemology/spring-2015-gemnews-fine-corundum-demantoid-garnet
Wednesday, July 29, 2015
Tsavorite Garnet And Mahenge Red Spinel
Duncan Pay was spot on.
Useful link:
http://www.gia.edu/gems-gemology/spring-2015-gemnews-tsavorite-garnet-mahenge-red-spinel
Useful link:
http://www.gia.edu/gems-gemology/spring-2015-gemnews-tsavorite-garnet-mahenge-red-spinel
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