Convention History
CFMS Conventions since its inception.* A combined CFMS/AFMS Show & Convention
(No CFMS show in 2020 or 2021 due to Covid-19)
| Location | Host Club | Date |
|---|---|---|
| 86. Lancaster | Antelope Valley Gem & Mineral Society | May 10-11, 2025 |
| 85. *Ventura | Ventura Gem and Mineral Society | May 24-26, 2024 |
| 84. Lodi | California Federation of Mineralogical Societies | June 23-25, 2023 |
| 83. Lancaster | Antelope Valley Gem & Mineral Society | May 6-8, 2022 |
| 82. none | COVID shutdown | 2021 |
| 81. none | COVID shutdown | 2020 |
| 80. Pomona | Pasadena Lapidary Society | March 8-10, 2019 |
| 79. Chico | CFMS Hosted Convention without a Show | Sept 15-16, 2018 |
| 78. *Ventura | Ventura Gem and Mineral Society | June 9 – 11, 2017 |
| 77. Placerville | El Dorado County Mineral & Gem Society | Sept. 16 – 18, 2016 |
| 76. Lodi | California Federation of Mineralogical Societies | June 12 – 14, 2015 |
| 75. Pomona | Pasadena Lapidary Society | May 30-June 1, 2014 |
| 74. Ventura | Ventura Gem & Mineral Society Oxnard Gem & Mineral Society Conejo Gem & Mineral Club | May 31-June 2, 2013 |
| 73. Riverside | Valley Prospectors | July 13-15, 2012 |
| 72. Anderson | Superior California Gem & Mineral Society (Shasta Gem & Mineral Society Paradise Gem & Mineral Club) | May 13-15, 2011 |
| 71. *La Habra /Whittier | North Orange County Gem & Mineral Society | June 18-20, 2010 |
| 70. San Jose | Santa Clara Valley Gem & Mineral Society | Apr. 17-19, 2009 |
| 69. Ventura | California Federation of Mineralogical Societies | June 27-29, 2008 |
| 68. Lancaster | Palmdale Gem & Mineral Club | June 15-17,2007 |
| 67. Angels Camp | Calaveras Gem & Mineral Society | June 9-11, 2006 |
| 66. Roseville | Roseville Rock Rollers | June 10-12, 2005 |
| 65. Mariposa | Mariposa Mineral & Gem Club | May 29-31, 2004 |
| 64. *Ventura | Del Air Rockhounds, Inc. | June 5-8, 2003 |
| 63. Placerville | El Dorado Mineral & Gem Society | July 12-14, 2002 |
| 62. Paso Robles | Santa Lucia Rockhounds | June 22-24, 2001 |
| 61. Riverside | Valley Prospectors | Aug. 4-6, 2000 |
| 60. Turlock | Mother Lode Mineral Society | June 18-20, 1999 |
| 59. Monterey | Carmel Valley Gem & Mineral Society Monterey Bay Mineral Society Santa Lucia Rockhounds | July 3-5, 1998 |
| 58. Ventura | Ventura Gem & Mineral Society | June 20-22, 1997 |
| 57. *Riverside | Autonetics Gem & Mineral Club Capistrano Valley Rock & Mineral Club Faceters Guild of Southern California North Orange County Gem & Mineral Society Orange Coast Mineral & Lapidary Society | Aug. 9-11, 1996 |
| 56. San Jose | Santa Clara Valley Gem & Mineral Society | June 23-25, 1995 |
| 55. Del Mar | El Cajon Valley Gem & Mineral Club | Apr. 8-10, 1994 |
| 54. Ventura | Oxnard Gem & Mineral Society | June 28-July 1, 1993 |
| 53. Castro Valley | Gem & Mineral Society of Castro Valley | Aug. 21-23, 1992 |
| 52. San Jose | California Federation of Mineralogical Societies | June 14-16, 1991 |
| 51. *Ventura | Conejo Gem & Mineral Society | June 28-30, 1990 |
| 50. Del Mar | El Cajon Valley Gem & Mineral Society San Diego Lapidary Society | May 12-14, 1989 |
| 49. Costa Mesa | North Orange County Gem & Mineral Society | Aug. 26-28, 1988 |
| 48. Turlock | Mother Lode Mineral Society | June 26-28, 1987 |
| 47. Sacramento | Sacramento Mineral Society | June 27-29, 1986 |
| 46. Ventura | Conejo Gem & Mineral Club | July 26-28, 1985 |
| 45. *San Diego | San Diego Mineral & Gem Society | July 17-19, 1984 |
| 44. San Jose | Santa Clara Valley Gem & Mineral Society | June 17-19, 1983 |
| 43. Long Beach | La Pacifica Group | Aug. 27-29,1982 |
| 42. Anaheim | California Federation of Mineralogical Societies | Aug. 7-9, 1981 |
| 41. Pasadena | V.I.P. Gem & Mineral Society | Aug. 1-3, 1980 |
| 40. Sacramento | Sacramento Mineral Society | June 22-24, 1979 |
| 39. *Pleasanton | Mineral & Gem Society of Castro Valley | July 27-30, 1978 |
| 38. Reno | Reno Gem & Mineral Society | June 17-19, 1977 |
| 37. San Francisco | San Francisco Gem & Mineral Society | July 2-4, 1976 |
| 36. Las Vegas | Clark County Gem Collectors | May 16-18, 1975 |
| 35. San Mateo | Gem & Mineral Society of San Mateo County | June 28-30, 1974 |
| 34. Turlock | Mother Lode Mineral Society of Modesto | June 15-17, 1973 |
| 33. *Anaheim | Searchers Gem & Mineral Society | June 29-July 2, 1972 |
| 32. Ventura | Ventura Gem & Mineral Society | July 2-4, 1971 |
| 31. Pleasanton | Mineral & Gem Society of Castro Valley | June 5-7, 1970 |
| 30. San Diego | San Diego Mineral & Gem Society | July 25-27, 1969 |
| 29. Lancaster | Antelope Valley Gem & Mineral Club Mojave Mineralogical Society Victor Valley Gem & Mineral Club | June 21-23, 1968 |
| 28. Sacramento | Sacramento Mineral Society | July 13-16, 1967 |
| 27. *Las Vegas | Clark County Gem Collectors, Inc. | May 13-16, 1966 |
| 26. Pomona | General Dynamics Rockhounds Pomona Rockhounds | May 28-31, 1965 |
| 25. Vallejo | Vallejo Gem & Mineral Society | July 17-19, 1964 |
| 24. San Jose | Santa Clara Valley Gem & Mineral Society | July 12-14, 1963 |
| 23. Del Mar | El Cajon Valley Gem & Mineral Society San Diego Lapidary Society | July 20-22, 1962 |
| 22. Pomona | Valley Independent Petrologists LERC Rockcrafters San Fernando Valley Mineral & Gem Society Del Air Rockhound Club | June 23-25, 1961 |
| 21. *Eureka | Humboldt Gem & Mineral Society | July 8-10, 1960 |
| 20. San Mateo | Gem & Mineral Society of San Mateo County | June 36-28, 1959 |
| 19. San Bernardino | Orange Belt Mineralogical Society | June 20-22, 1958 |
| 18. Los Angeles | Compton Gem & Mineral Club | July 5-7, 1957 |
| 17. Fresno | Fresno Gem & Mineral Society | June 22-24, 1956 |
| 16. San Francisco | San Francisco Gem & Mineral Society | July 8-10, 1955 |
| 15. Indio | Coachella Valley Mineral Society San Gorgonio Mineral & Gem Society | Mar. 26-28, 1954 |
| 14. San Diego | San Diego Mineral & Gem Society | June 17-19, 1953 |
| 13. Angels Camp | Calaveras Gem & Mineral Society | June 20-22, 1952 |
| 12. Oakland | East Bay Mineral Society | June 22-24, 1951 |
| 11. Trona | Mojave Mineralogical Society N.O.T.S. Rockhounds Searles Lake Gem & Mineral Society | June 17-18, 1950 |
| 10. Sacramento | Sacramento Mineral Society | June 24-16, 1949 |
| 9. Long Beach | Long Beach Mineral & Gem Society | July 16-18, 1948 |
| 8. Santa Barbara | Santa Barbara Mineral Society | May 23-25, 1947 |
| 7. Glendale | Mineralogical Society of Southern California | June 14-16, 1946 |
| 6. Oakland | East Bay Mineral Society | May 10-11, 1941 |
| 5. Santa Barbara | Santa Barbara Mineral Society | Apr. 20-21, 1940 |
| 4. San Bernardino | Orange Belt Mineralogical Society | Apr. 15-16, 1939 |
| 3. San Francisco | Northern California Mineral Society | Feb. 19-20, 1938 |
| 2. Bakersfield | Kern County Mineral Society | Jan. 2-3, 1937 |
| 1. Riverside | Charter Organization Meeting | Jan. 1-3, 1936 |