The American Opal Society is a member of the following organizations:
California Federation of Mineralogical Societies
American Federation of Mineralogical Societies
Special Congress Representing Involved Bulletin Editors (S.C.R.I.B.E.)
Mineralogical Societies
AFMS - American Federation of Mineralogical Societies
CFMS, EFMLS, MWF, NWFMS, RMFMS, SCFMS, SFMS
CFMS - California Federation of Mineralogical Societies
CA
EFMLS - Eastern Federation of Mineralogical and Lapidary Societies
CT, DE, KY, MD, ME, M, NH, NJ, NY, PA, RI, VA, VT, WV
MWF - Midwest Federation of Mineralogical and Geological Societies
IA, IL, IN, MI, MN, MO, ND, NE, OH, SD, WI
NWFMS - Northwest Federation of Mineralogical Societies
AK, ID, MT, OR, UT, WA
RMFMS -Rocky Mountain Federation of Mineralogical Societies
AZ, CO, KS, ND, NE, NM, OK, SD, UT, WY
SCFMS - South Central Federation of Mineralogical Societies
AR, LA, TX
SFMS - Southeast Federation of Mineralogical Societies
AL, FL, GA, MS, NC, SC, TN
