Showing posts with label Wim Vertriest. Show all posts
Showing posts with label Wim Vertriest. Show all posts
Friday, September 13, 2019

A Decade Of Ruby From Mozambique

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A brilliant review by the GIA. Useful link: https://www.gia.edu/gems-gemology/summer-2019-decade-of-ruby-from-mozambique
Thursday, August 22, 2019

A Decade Of Ruby From Mozambique

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Hats off to the GIA for their excellent research on Mozambique rubies. We are still learning. Useful link: https://www.gia.edu/gems-g...
Friday, July 26, 2019

Derek Katzenbach: Faceter, Gem Artist, Custom Jeweler

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A practising gemologist with special skills. Useful link: https://www.gia.edu/gems-gemology/spring-2019-gemnews-derek-katzenbach
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...
Wednesday, July 10, 2019

Colombian Emeralds And Mozambican Rubies From Fura Gems

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Consumers are entering the decade of color, and the world is going to see more colored stones. Useful link: https://www.gia.edu/gems-gemo...

Witnessing The 56th Myanma Gems Emporium

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A unique place for price discovery. Priceless experience. Useful link: https://www.gia.edu/gia-news-research/witnessing-the-56th-myanma-g...
Friday, May 25, 2018

Complex Yellow Fluid Inclusions In Red Burmese Spinel

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Take a look. Useful link: https://www.gia.edu/gems-gemology/winter-2017-microworld-complex-yellow-fluid-inclusions
Friday, March 02, 2018

Preliminary Observations On Facet-Grade Ruby From Longido, Tanzania

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A good overview. Useful link: https://www.gia.edu/gems-gemology/winter-2017-gemnews-preliminary-observations-facet-grade-ruby
Sunday, December 03, 2017

Sapphires With Unusual Radial “Eye” Structure

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Take a look. Useful link: https://www.gia.edu/gems-gemology/summer-2017-microworld-sapphires-unusual-radial-eye-structure
Monday, November 20, 2017

Tektite With A Large Fluid Inclusion

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Take a look. Useful link: https://www.gia.edu/gems-gemology/summer-2017-gemnews-tektite-large-fluid-inclusion
Tuesday, September 19, 2017

Sapphires From Northern Ethiopia

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Take a look. Useful link: https://www.gia.edu/gems-gemology/summer-2017-gemnews-sapphires-northern-ethiopia
Monday, August 07, 2017

Negative Crystals In Sapphires

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Inclusion update. Useful link: https://www.gia.edu/gems-gemology/spring-2017-microworld-negative-crystals-sapphires
Tuesday, May 02, 2017

A Study Of Sapphire From Chanthaburi, Thailand And Its Gemological Characteristics

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Insightful update. Useful link: https://www.gia.edu/gia-news-research/sapphire-chanthaburi-thailand-gemological-characteristics
Thursday, April 27, 2017

Trapiche-Type Sapphire From Tasmania

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Take a look. Useful link: https://www.gia.edu/gems-gemology/winter-2016-gemnews-trapiche-type-sapphire-tasmania
Friday, April 07, 2017

Curved Tubes In Blue Sapphire

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Take a look. Useful link: https://www.gia.edu/gems-gemology/winter-2016-microworld-curved-tubes-blue-sapphire
Wednesday, March 01, 2017

Update On Gemstone Mining In Northern Mozambique

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A must read. Useful link: https://www.gia.edu/gems-gemology/winter-2016-update-gemstone-mining-northern-mozambique
Thursday, February 09, 2017

Curved Tubes In Blue Sapphire

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Take a look. Useful link: https://www.gia.edu/gems-gemology/winter-2016-microworld-curved-tubes-blue-sapphire
Wednesday, February 01, 2017

Update On Gemstone Mining In Northern Mozambique

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A must read. Useful link: https://www.gia.edu/gems-gemology/winter-2016-update-gemstone-mining-northern-mozambique
Friday, December 02, 2016

Etch Marks, Negative Crystals, And Etch Tubes In Spinel From Madagascar

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Take a look. Useful link: http://www.gia.edu/gems-gemology/fall-2016-microworld-etch-marks-negative-crystals-tubes-spinel-madagascar
Wednesday, July 06, 2016

Blue Sapphires From A New Deposit Near Andranondambo, Madagascar

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Take a look. Useful link: http://www.gia.edu/gems-gemology/spring-2016-gemnews-blue-sapphires-new-deposit-andranondambo-madagascar