Tucson Gem Show - Live!

...be my guest (from anywhere in the world) as I visit the 40+ venues that make up the Tucson Gem, Jewelry, Mineral and Fossil Experience!

Showing posts with label international school of gemology. Show all posts
Showing posts with label international school of gemology. Show all posts
Friday, January 28, 2011

ISG at Tucson 2011: Lab Update Invitation

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This is a reprint of an announcement from Robert James of the International School of Gemology:   The ISG would like to extend an open invit...
Thursday, April 15, 2010

Andesine - The Final Chapter

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Probably the most significant presentation at the 2010 Tucson Gem Show was from Robert James of the International School Of Gemology. You ma...
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Wednesday, January 13, 2010

Free Seminar Offerings from the ISG!

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The International School of Gemology (ISG) is presenting an impressive lineup of seminars at the Hotel Arizona...see if there is something t...
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