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2021 Sinkankas Symposium (Virtual)

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SEVENTEENTH ANNUAL SINKANKAS SYMPOSIUM: AGATE AND CHALCEDONY (VIRTUAL)

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17TH ANNUAL SINKANKAS SYMPOSIUM: AGATE AND CHALCEDONY (VIRTUAL)

Named for one of the most distinguished and influential figures in gemology and mineralogy, the Sinkankas Symposium is an annual event featuring presentations by noted specialists working in diverse gem-related disciplines.

The theme of the 17th Annual Sinkankas Symposium is Agate and Chalcedony and will be in a virtual format this year. The virtual experience will feature a menu of nine pre-recorded 1/2 hour exclusive presentations available to view on-demand from Saturday, April 24, 2021 until Saturday, May 8, 2021 on the Sinkankas Symposium Eventbrite page. You will be required to register in order to have access to these presentations.

The Sinkankas Symposium has been described as the most important gemological conference in North America by respected authorities on gemstones. Organized by Roger Merk for 13 years (2003-2015), the annual event is co-sponsored by the Gemological Society of San Diego (GSSD) and the Gemological Institute of America (GIA). Bill Larson has been a generous supporter and speaker at the event since its inception.

This year's symposium is in honor of Si Frazier and Ann Frazier who have dedicated their lives to the study of the science, history, and beauty of agate and chalcedony. Si was a popular speaker at the Sinkankas Symposium and author of past Sinkankas Symposia articles.

Recognized specialists in fields ranging from geology and mineralogy to history, treatment, cutting and collecting will present on Agate and Chalcedony :

Tim Adams: Fabergé’s Work with Agate and Chalcedony

Patrick Dreher: Dreher Carvings of Agates and Chalcedony

Dr. Peter Heaney: The Complex Mineralogy of Agates

William Larson: Collecting Crypto-crystalline Quartzes: A Conversation with Bill

Dr. Cigdem Lule: Chalcedonies of Anatolia: From Neolithic to Modern Day

Nathan Renfro: The Micro-World of Agate and Chalcedony

Dr. George Rossman: Cause of Color in Agate and Chalcedony

Lisbet Thoresen: The Cultural History of Agate and Chalcedony from Antiquity to the Renaissance

Robert Weldon: Challenges of Photographing Agates

*Presentations are subject to change without notice.

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