One of a kind. Take a look.
Useful link:
https://www.gia.edu/gems-gemology/summer-2017-gemnews-raspberry-red-garnet-black-core
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, Watches, Random Thoughts, and Things He Like.
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Showing posts with label Nathan Renfro. Show all posts
Showing posts with label Nathan Renfro. Show all posts
Monday, September 25, 2017
Friday, September 15, 2017
Tri-Color-Change Holmium-Doped Synthetic CZ
One of a kind gem.
Useful link:
https://www.gia.edu/gems-gemology/summer-2017-gemnews-holmium-synthetic-cz
Useful link:
https://www.gia.edu/gems-gemology/summer-2017-gemnews-holmium-synthetic-cz
Monday, February 06, 2017
Tuesday, December 13, 2016
Sphalerite In Topaz
One of a kind inclusions.
Useful link:
http://www.gia.edu/gems-gemology/fall-2016-microworld-sphalerite-topaz
Useful link:
http://www.gia.edu/gems-gemology/fall-2016-microworld-sphalerite-topaz
Thursday, July 21, 2016
Friday, June 03, 2016
Wednesday, March 30, 2016
Friday, March 04, 2016
Vanadium And Chromium-Bearing “Color-Change” Pyrope Garnet
One of a kind colored stone.
Useful link:
http://www.gia.edu/gia-news-research/vanadium-chromium-bearing-color-change-pyrope-garnet
Useful link:
http://www.gia.edu/gia-news-research/vanadium-chromium-bearing-color-change-pyrope-garnet
Tuesday, February 02, 2016
Color Zoned Emerald
One of kind emerald. Take a look.
Useful link:
http://www.gia.edu/gems-gemology/fall-2015-labnotes-color-zoned-emerald
Useful link:
http://www.gia.edu/gems-gemology/fall-2015-labnotes-color-zoned-emerald
Friday, January 29, 2016
Orange Faceted Eosphorite
One of a kind rare colored stone. Take a look.
Useful link:
http://www.gia.edu/gems-gemology/fall-2015-labnotes-orange-faceted-eosphorite
Useful link:
http://www.gia.edu/gems-gemology/fall-2015-labnotes-orange-faceted-eosphorite
Wednesday, January 27, 2016
Monday, January 25, 2016
Sunday, October 11, 2015
Digital Photomicrography For Gemologists
Nathan Renfro was spot on. A must read.
Useful link:
http://www.gia.edu/gems-gemology/summer-2015-digital-photomicrography-gemologists
Useful link:
http://www.gia.edu/gems-gemology/summer-2015-digital-photomicrography-gemologists
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