| 2023 | ||
| Antioch Lapidary Club Show | February 18-19 | Contra Costa Fairgrounds |
| Vallejo Gem and Mineral Society Show | February 25-26 | Solano County Fairgrounds |
| Castro Valley Gem an Mineral Society Show | March 3-5 | Newark Pavilion |
| Mother Lode Mineral Society | March 11-12 | Stanislaus County Fairgrounds |
| Roseville Gem and Mineral Society Show | August 5-6 | Roebbelen Event Center |
| Peninsula Gem and Geology Show | October 7-8 | Redwood City Communities Activities Building |
| Santa Rosa Gem and Mineral Society Show | October 14-15 | Santa Rosa Vets Building |
| Sacramento Mineral Society Show | October 28-29 | Scottish Rite Temple |
| Contra Costa Mineral and Gem Society Show | November 4-5 | Centre Concord |
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