Tag Archives: Ruby

Sight ID without a Lab at Your Fingertips Presented by Stacey J. Trolly

On Thursday May 16th, DCGIA members had the pleasure of sharing the evening with Stacey. Stacy discussed ways to recognize common gemstone treatments to both natural and synthetic gemstones.  This information is helpful when you are in a bind and … Continue reading

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Museum Field Trip at Hillwood Museum

Thirty six (36) DCGIA members and guests enjoyed a tour of the “Spectacular Gems and Jewelry” which was Marjorie Merriweather Post’s jewel collection on display at Hillwood Museum in DC. The tour featured an introduction to the collection by Angie Dodson, Director … Continue reading

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DCGIA ANNUAL TUCSON REPORT – Kusam Malhotra

Kusam Malhotra Owner of K & K International in Vienna, VA. was a vendor at the 2015 AGTA GemFair™ Tucson, Booth #1100. K&K International has been a premier source of rare colored gemstones, fine diamonds and custom-designed jewelry for over 30 … Continue reading

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Plate Tectonic Gemstones: Jadeite, Ruby, and Diamond – Robert Stern

Professor Robert Stern provided the chapter members with a a very informative discussion of how gemstones form in a variety of geologic settings. Plate Tectonic Gemstones – Geology 2013 Almost all gems of mineral origin form in the Earth’s crust, with … Continue reading

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