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 | RWHL*
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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