Showing posts with label E. Billie Hughes. Show all posts
Showing posts with label E. Billie Hughes. Show all posts
Thursday, November 07, 2019

Madagascar Sapphire: Low-Temperature Heat Treatment Experiments

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Only for the skilled with good rough sapphires knowledge. Useful link: https://www.gia.edu/gems-gemology/summer-2019-madagascar-sapphi...
Monday, October 28, 2019

Madagascar Sapphire: Low-Temperature Heat Treatment Experiments

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The colored stone treatments will go on forever. Hats off to the GIA reviews. Useful link: https://www.gia.edu/gems-gemology/summer-20...
Wednesday, September 04, 2019

Curved Banding In Flame-Fusion Synthetic Sapphires

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Known information. Useful link: https://www.gia.edu/gems-gemology/summer-2019-microworld-curved-banding-flame-fusion-synthetic-sapphir...
Saturday, October 06, 2018

Star Spinel With Four And Six Rays

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Take a look. Useful link: https://www.gia.edu/gems-gemology/summer-2018-microworld-star-spinel-with-four-and-six-rays
Wednesday, August 01, 2018

Six-Rayed Star In Sapphire From Myanmar

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Take a look. Useful link: https://www.gia.edu/gems-gemology/spring-2018-microworld-six-rayed-sapphire-from-myanmar
Saturday, March 17, 2018

Remarkable Twinned Calcite Inclusion In Mogok Ruby

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Take a look. Useful link: https://www.gia.edu/gems-gemology/winter-2017-remarkable-twinned-calcite-inclusion
Sunday, February 04, 2018

Growth Tube Cluster In Sapphire

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One of a kind inclusion. Useful link: https://www.gia.edu/gems-gemology/fall-2017-microworld-growth-tube-cluster-sapphire
Wednesday, September 20, 2017

Oiled Ruby: A Remarkable Visual

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One of a kind. Take a look. Useful link: https://www.gia.edu/gems-gemology/summer-2017-microworld-oiled-ruby