Showing posts with label Kevin Schumacher. Show all posts
Showing posts with label Kevin Schumacher. Show all posts
Monday, September 30, 2019

Inclusions In Natural, Treated, Synthetic, And Imitation Opal

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Take a look. Useful link: https://www.gia.edu/gems-gemology/summer-2019-suggested-reading-opal-chart
Saturday, August 24, 2019

Inclusions In Natural, Treated, Synthetic, And Imitation Opal

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Take a look at a wide range of interesting inclusions in opal. Useful link: https://www.gia.edu/gems-gemology/summer-2019-suggested-rea...
Thursday, July 25, 2019

Land Of Origins: A Gemological Expedition To Ethiopia

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Ethiopia is a known unknown land for gemstones. The GIA field gemology report is a must read. Useful link: https://www.gia.edu/gems-gemol...
Sunday, April 07, 2019

Chart: Inclusions In Natural, Synthetic, And Treated Diamond

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A good reference chart from the GIA. Useful link: https://www.gia.edu/gems-gemology/winter-2018-inclusions-natural-synthetic-treated-diam...
Tuesday, August 14, 2018

Vibrantly Colored Gems

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Colored stones update. 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

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A good comparison study. Useful link: https://www.gia.edu/gems-gemology/winter-2017-inclusions-natural-synthetic-ruby
Saturday, September 30, 2017

Inclusions In Natural, Synthetic, And Treated Sapphire

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Take a look. Useful link: https://www.gia.edu/gems-gemology/summer-2017-inclusions-sapphire