Take a look.
Useful link:
https://www.gia.edu/gems-gemology/summer-2019-suggested-reading-opal-chart
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 Kevin Schumacher. Show all posts
Showing posts with label Kevin Schumacher. Show all posts
Monday, September 30, 2019
Saturday, August 24, 2019
Inclusions In Natural, Treated, Synthetic, And Imitation Opal
Take a look at a wide range of interesting inclusions in opal.
Useful link:
https://www.gia.edu/gems-gemology/summer-2019-suggested-reading-opal-chart
Useful link:
https://www.gia.edu/gems-gemology/summer-2019-suggested-reading-opal-chart
Thursday, July 25, 2019
Land Of Origins: A Gemological Expedition To Ethiopia
Ethiopia is a known unknown land for gemstones. The GIA field gemology report is a must read.
Useful link:
https://www.gia.edu/gems-gemology/spring-2019-land-of-origins-gemological-expedition-ethiopia
Useful link:
https://www.gia.edu/gems-gemology/spring-2019-land-of-origins-gemological-expedition-ethiopia
Sunday, April 07, 2019
Chart: Inclusions In Natural, Synthetic, And Treated Diamond
A good reference chart from the GIA.
Useful link:
https://www.gia.edu/gems-gemology/winter-2018-inclusions-natural-synthetic-treated-diamond
Useful link:
https://www.gia.edu/gems-gemology/winter-2018-inclusions-natural-synthetic-treated-diamond
Tuesday, August 14, 2018
Vibrantly Colored Gems
Colored stones update.
Useful link:
https://www.gia.edu/gems-gemology/spring-2018-gemnews-vibrantly-colored-gems
Useful link:
https://www.gia.edu/gems-gemology/spring-2018-gemnews-vibrantly-colored-gems
Thursday, March 01, 2018
Inclusions In Natural, Synthetic, And Treated Ruby
A good comparison study.
Useful link:
https://www.gia.edu/gems-gemology/winter-2017-inclusions-natural-synthetic-ruby
Useful link:
https://www.gia.edu/gems-gemology/winter-2017-inclusions-natural-synthetic-ruby
Saturday, September 30, 2017
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