Sinkankas Symposium Publications (2014-2023)

Nineteenth Annual Sinkankas Symposium
San Diego County Gems and Minerals

The Site is Closed for 2023. We are no longer accepting any orders
Order Deadline was Wednesday, April 12, 2023, 11:59 pm PDT (no exceptions)

This is the only print run scheduled in 2023, and no overstock will be available.
The next opportunity to order printed books will be March 2024.

Online orders will begin shipping on Monday, May 15, 2023.

The theme for 2023 is San Diego County Gems and Minerals . The Nineteenth Annual Sinkankas Symposium will convene on Saturday, April 22, 2023, at the  GIA worldwide headquarters and Robert Mouawad Campus in Carlsbad, California.

Registration for the in-person event on April 22, 2023 includes one copy of the printed proceedings. Want more copies or cannot attend the symposium? Printed proceedings of Nineteenth Annual Sinkankas Symposium will be available for purchase via this portal for a limited time. Printed proceedings of past events dating to 2014 are also available.

For information about the Sinkankas Symposium and registration for the in-person event in 2023, please visit the official web at:

For questions related to event registration, please contact

DPI Direct is the original manufacturer and authorized distributor of  Sinkankas Symposium publications, 2014-2023.

Copyright permissions apply, no reproduction or cross-posting online, in whole or in part, is permitted,
except by explicit written permission of the authors/contributors.