NINETEENTH ANNUAL SINKANKAS SYMPOSIUM – SAN DIEGO COUNTY GEMS AND MINERALS
Named for one of the most distinguished and influential figures in gemology and mineralogy, the Sinkankas Symposium is an annual one-day event featuring presentations by noted specialists working in diverse gem-related disciplines. The theme for 2023 will be San Diego County Gems and Minerals. The Nineteenth Annual Sinkankas Symposium, was held on Saturday, April 22, 2023, at the GIA worldwide headquarters and Robert Mouawad Campus in Carlsbad, California.
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 Geo-Literary Society and the Gemological Institute of America, which has provided the Symposium venue every year. Bill Larson has been a generous supporter and speaker at the event since its inception. This year's symposium will be the first in-person event held since 2019. We look forward to seeing you this year.
NINETEENTH ANNUAL SINKANKAS SYMPOSIUM
– DATE and VENUE
Saturday, April 22, 2023
GIA (Gemological Institute of America)
World Headquarters and The Robert Mouawad Campus
5345 Armada Drive
Carlsbad, CA 92008
NINETEENTH ANNUAL SINKANKAS SYMPOSIUM
– SPEAKERS & TOPICS
Twelve recognized specialists in fields ranging from geology and mineralogy to history, treatment, cutting and collecting will present on the Gems and Minerals of San Diego County.
Dr. Raquel Alonso-Perez – Tales from the Pala Chief Mine
Bill Larson – The Great Tourmalines of the Pala Gem Mining District
Will Larson – Himalaya Mine Treasures
Brendan Laurs – Geology of San Diego County Pegmatites
Nathan Renfro – Inclusions in Gems and Minerals from San Diego County
Dr. Skip Simmons – Crystallography of Tourmaline
Cal Graeber – San Diego County Mines and Minerals
Meg Berry – Cutting the Gems of San Diego County
Paula Crevoshay – Eureka!
Dr. Aaron Celestian – Using Gems to Illuminate Art and Science
Dr. George R. Rossman and Dr. Aaron Palke – The Causes of Color of the San Diego County Gem Minerals
Nineteenth Sinkankas Symposium:
San Diego County Gems and Minerals
(April 22, 2023)Stuart Overlin, Ed.
Official proceedings of the Nineteenth Sinkankas Symposium, with contributions from recognized authorities in their respective disciplines: Dr. Raquel Alonso-Perez, Meg Berry, Bill Larson and John Sinkankas, Laula Crevoshay, Dr. Aaron Celestian, Nathan Renfro, Dr. Skip Simmons, Dr. George R. Rossman and Dr. Aaron Palke, Brendan M. Laurs and Kimberly Knox, Ryan Bowling. Publisher: Pala International Inc.; Printed and Distributed by DPI Direct, Poway, Calif.
George F. Kunz
Gems, Jewelers' Materials, and Ornamental Stones of California
(1905)Kunz describes gemstones of California, gem mines in the state, and pegmatites in San Diego and Riverside counties. This edition is bound in purplish-pink, kunzite-colored cloth.
William B. Simmons, Gloria A. Staebler, David W. Bunk, Alexander U. Falster, Sarah L. Hanson, Karen W. Webber, eds.
Rubellite: Tourmaline Rouge
(2019)A collection of articles on the history and science of rubellite tourmaline.
and_Their_Gem_Minerals.png)
Michael Menzies and Jeffrey Scovil
Pegmatites and Their Gem Minerals
(2022)This comprehensive work covers the geology of pegmatites, discussing more than 40 gem minerals.
John Sinkankas
Emeralds and Other Beryls
(1981)The definitive work on beryl; the final chapter discusses beryl localities.