Four Treasures Reference Database
Record No. 28335
Nineteenth Annual Sinkankas Symposium • San Diego County Gems and Minerals
Conference Proceedings
Various Authors (2023) Nineteenth Annual Sinkankas Symposium • San Diego County Gems and Minerals. John Sinkankas Symposium, 22 April 2023, Carlsbad, CA: Gemological Society of San Diego/Gemological Institute of America, 100 pp..
ISBN/ISSN: 9780990000000 | Sinkankas/Born No.: NIS/NIB | RWHL*
gems, San Diego, California, pegmatite. tourmaline, kunzite, topaz, garnet, spessartine, rubellite, apatite, topaz, morganite, beryl, spodumene
The theme of the 19th Annual Sinkankas Symposium was San Diego County Gems and Minerals