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Category Archives: Meeting Archives
From Collector to Commercial – Presented by Dr. Joel E. Arem
Dr. Joel Arem took the DCGIA members on a journey to the “future of the gem industry” in the global marketplace. EVERY gem was once a “collector” stone because only royalty could own them, and a ‘mass market’ did not exist for centuries. … Continue reading
Posted in Meeting Archives
Tagged Collector, gem, gemology, gems, Gemstones, Joel Arem
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The Smithsonian Gems – Presented by Dr. Jeffrey E. Post
Dr. Jeffrey E. Post, provided a lively discussion on the The National Gem Collection. The history, benefactors, gems and jewelry were all fully described in the presentation as well as in the book: “The National Gem Collection” by Smithsonian Institution and … Continue reading
Posted in Meeting Archives
Tagged Hope Diamond, Jeffrey Post, National Gem Collection, Smithsonian
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GIA Updates
On Sept. 19, 2017, Kate Donovan, GIA Global Alumni Relations Manager, provided an update on GIA global initiatives, education, laboratory offerings, research, resources and instruments. Kate reviewed GIA’s current alumni benefits and the many programs available to support our efforts. GIA … Continue reading
The Latest on Synthetic Diamonds | Dr. James Shigley | GIA at JCK
DCGIA thanks GIA for sharing these very informative videos! Video #1 – Dr. Smith shares what he has learned from exceptional diamonds, such as the Cullinan and Koh-I-Noor, that formed beneath the surface of the Earth. Smith, the researcher who … Continue reading
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
Posted in Meeting Archives
Tagged Art, Education, gems, Hillwood Museum, jewelry, Museum, Ruby
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Pearls, Questions and Answers by Teresa Tkacik, M.S.N., F.N.P.C.
Teresa provided a very informative history of pearls, how pearls are cultured, the characteristic of pearls, and Faux pearls, which included a hands on demonstration of how to evaluate pearls. Presentation copy Recommended reading: Tears of the Moon by Robert … Continue reading
DCGIA 2017 Tucson Report
Thanks go out to all the speakers, members and guests who made this evening enjoyable and informative. Courtland Lee, DCGIA’s resident Geologist and Miner, was a vendor at the 2017 Tucson International Gem Show. Courtland discussed the wonderful array of … Continue reading
The Art of Gem Cutting by Thomas Trozzo
DCGIA Thanks Tom Trozzo for sharing a wealth of information and his award winning gemstones with our members and guests. Continue reading
Gem, Lapidary and Mineral Society of Washington, DC. Auction
Sunday, October 30 http://www.glmsdc.org/ Preview & Artist’s Sale – Noon to 2 pm – LIVE Auction – 2 to 5 pm Auction Site: Bethesda Woman’s Club, 5500 Sonoma Road, Bethesda, MD 20817 Free parking at rear of building and on side streets.
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Treatments and Synthetics: A Visual Review by John Koivula
John Koivula an Analytical Microscopist at the Gemological Institute of America shared a visual review of slides identifying common features for synthetic and treated rubies, sapphires, emeralds, diamonds, chrysoberyl, opal, spinel, quartz, jade, and corundum. The majority of characteristics seen … Continue reading
Posted in Meeting Archives
Tagged Education, gia, John Koivula, Synthetic Gemstones, Treated Gemstones
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