Framework Type codes

Assigned by the Structure Commission
of the International Zeolite Association

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Code Type Material Date
     
ABW Li-A(BW) 1978
ACO ACP-1 March 17, 1998
AEI AlPO-18 1992
AEL AlPO-11 1987
AEN AlPO-EN3 May 17, 1999
AET AlPO-8 1992
AFG Afghanite 1978
AFI AlPO-5 1987
AFN AlPO-14 July 5, 1998
AFO AlPO-41 1992
AFR SAPO-40 1992
AFS MAPSO-46 1987
AFT AlPO-52 1992
AFV ZnAlPO-57 January 28, 2014
AFX SAPO-56 October 15, 1994
AFY CoAPO-50 1987
AHT AlPO-H2 March 15, 1994
ANA Analcime 1978
ANO AlPO-91 July 16, 2021
APC AlPO-C 1987
APD AlPO-D 1987
AST AlPO-16 1987
ASV ASU-7 May 2, 2000
ATF AlPO-25 1987, discredited, see ATV
ATN MAPO-39 1992
ATO AlPO-31 1992
ATS MAPO-36 1992
ATT AlPO-12-TAMU 1987
ATV AlPO-25 1992
AVE AlPO-78 April 26, 2019
AVL ZnAlPO-59 (AlPO Seven Layer Structure) January 28, 2014
AWO AlPO-21 July 5, 1998
AWW AlPO-22 1992

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Code Type Material Date
     
BCT Mg-BCCT June 14, 2001
BEC FOS-5 (Beta polymorph C) June 14, 2001
BIK Bikitaite 1978
BOF UCSB-15 September 18, 2008
BOG Boggsite 1992
BOZ Be-10 October 7, 2012
BPH Beryllophosphate-H 1992
BRE Brewsterite 1978
BSV UCSB-7 September 18, 2008
     
CAN Cancrinite 1978
CAS Cesium Aluminosilicate (Araki) 1992
CDO CDS-1 November 8, 2004
CFI CIT-5 March 17, 1998
CGF Cobalt-Galiium-Phosphate-5 August 11, 1996
CGS Cobalt-Gallium-Phosphate-6 September 29, 1997
CHA Chabazite 1978
-CHI Chiavennite 1987
-CLO Cloverite 1992
CON CIT-1 October 15, 1994
CSV CIT-7 April 30, 2015
CZP Chiral Zincophosphate August 11, 1996
     
DAC Dachiardite 1978
DDR Deca-Dodecasil-3R 1987
DFO DAF-1 March 15, 1993
DFT DAF-2 July 5, 1998
DOH Dodecasil-1H 1987
DON Utd-1F May 17, 1999
     
EAB TMA-E(AB) 1978
EDI Edingtonite 1978
EEI SSZ-45 (ERS-18) January 28, 2014
EMT EMC-2 1992
EON ECR-1 May 20, 2005
EOS ECNU-16 June 20, 2023
EPI Epistilbite 1978
ERI Erionite 1978
-ERS ECNU-46 September 24, 2025
ESV ERS-7 July 5, 1998
ETL H-EU-12 September 19, 2016
ETR ECR-34 January 30, 2004
ETV EMM-37 July 31, 2020
EUO EU-1 1987
EWF EMM-25 June 28, 2022
EWO ECNU-21 July 31, 2020
EWS EMM-26 July 18, 2017
-EWT EMM-23 April 30, 2015 (* removed 2022)
EZT EMM-3 October 29, 2006
     

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Code Type Material Date
     
FAR Farneseite October 29, 2006
FAU Faujasite 1978
FER Ferrierite 1978
FRA Franzinite December 12, 2000
     
GIS Gismondine 1978
GIU Giuseppettite November 8, 2004
GME Gmelinite 1978
GON GUS-1 December 12, 2000
GOO Goosecreekite 1987
     
HEU Heulandite 1978
-HOS HPM-16 December 23, 2022
HZF ZEO-5 September 20, 2024
     
IFO ITQ-51 July 4, 2013
IFR ITQ-4 April 30, 1997
-IFT ITQ-53 July 18, 2017
-IFU ITQ-54 October 3, 2015
IFW ITQ-52 September 16, 2014
IFY ITQ-50 September 16, 2014
IHW ITQ-32 January 28, 2006
IMF IM-5 February 26, 2007
-ION IDM-1 June 20, 2023
IRN ITQ-49 September 16, 2014
IRR ITQ-44 March 13, 2011
-IRT ITQ-43 December 23, 2022
-IRY ITQ-40 January 28, 2014
ISV ITQ-7 May 17, 1999
ITE ITQ-3 September 29, 1997
ITG ITQ-38 January 28, 2014
ITH ITQ-13 August 3, 2003
ITR ITQ-34 March 4, 2009
ITT ITQ-33 July 4, 2013
-ITV ITQ-37 March 13, 2011
ITW ITQ-12 August 3, 2003
-IVY ITQ-70 March 5, 2025
IWR ITQ-24 January 30, 2004
IWS ITQ-26 September 18, 2008
IWV ITQ-27 October 29, 2006
IWW ITQ-22 August 3, 2003
     
JBW Na-J (Barrer & White) 1992
JNT JU-92 April 30, 2015
JOZ LSJ-10 October 7, 2012
JRY CoAPO-CJ40 March 4, 2009
JSN CoAPO-CJ69 October 7, 2012
JSR JU-64 July 4, 2013
JST GaGeO-CJ63 October 15, 2011
JSW CoAPO-CJ62 October 7, 2012
JSY JU-60 January 5, 2024
JZO ZEO-1 June 28, 2022
JZT ZEO-3 June 20, 2023
     
KFI ZK-5 1978
KLW KU Leuven LEU-2 July 26, 2025
     

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Code Type Material Date
     
LAU Laumontite 1978
LEV Levyne 1978
LIO Liottite 1978
-LIT Lithosite May 20, 2005
LOS Losod 1978
LOV Lovdarite 1987
LTA Linde Type A 1978
LTF LZ-135 March 4, 2009
LTJ Linde Type J October 15, 2011
LTL Linde Type L 1978
LTN Linde Type N 1987
     
MAN Martinandresite March 5, 2025
MAR Marinellite September 15, 2004
MAZ Mazzite 1978
MEI ZSM-18 1992
MEL ZSM-11 1978
MEP Melanophlogite 1987
MER Merlinoite 1978
MFI ZSM-5 1978
MFS ZSM-57 1992
MON Montesommaite 1992
MOR Mordenite 1978
MOZ ZSM-10 January 28, 2006
MRT ZSM-43 August 20, 2018
MSE MCM-68 October 29, 2006
MSO MCM-61 May 17, 1999
MTF MCM-35 August 2, 1999
MTN ZSM-39 1987
MTT ZSM-23 1987
MTW ZSM-12 1987
MVY MCM-70 January 13, 2010
MWF ZSM-25 October 3, 2015
MWW MCM-22 April 30, 1997
     
NAB Nabesite February 10, 2003
NAT Natrolite 1978
NES NU-87 1992
NJO NJU120-1 September 24, 2025
NJW NJU120-2 September 24, 2025
NON Nonasil 1987
NPO Oxonitridophosphate-1 January 30, 2004
NPT Oxonitridophosphate-2 October 15, 2011
NSI Nu-6(2) May 20, 2005
     

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Code Type Material Date
     
OBW OSB-2 September 15, 2004
OFF Offretite 1978
OKO COK-14 July 4, 2013
OSI UiO-6 April 12, 1996
OSO OSB-1 December 12, 2000
OWE UiO-28 May 20, 2005
     
-PAR Partheite 1987
PAU Paulingite 1978
PCR IPC-4 October 7, 2012
PHI Phillipsite 1978
PON IST-1 Janaury 30, 2004
POR PST-14 August 20, 2018
POS PKU-16 September 16, 2014
PSI PST-6 April 30, 2015
PTF PST-35 December 23, 2022
PTO PST-31 July 16, 2021
PTT PST-33 September 3, 2020
PTY PST-30 July 31, 2020
PUN PKU-9 January 13, 2010
PWN PST-29 April 26, 2019
PWO PST-21 August 20, 2018
PWW PST-22 August 20, 2018
     
RFE RUB-58 June 20, 2023
RHO Rho 1978
-ROG Roggianite 1987, discredited, see -RON
-RON Roggianite July 4, 1992
RRO RUB-41 September 15, 2004
RSN RUB-17 October 15, 1994
RTE RUB-3 October 15, 1994
RTH RUB-13 October 15, 1994
RUT RUB-10 March 15, 1994
RWR RUB-24 September 15, 2004
RWY UCR-20 August 3, 2003
     

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Code Type Material Date
     
SAF STA-15 January 13, 2010
SAO STA-1 November 15, 1996
SAS STA-6 May 2, 2000
SAT STA-2 September 29, 1997
SAV STA-7 May 2, 2000
SBE UCSB-8Co March 17, 1998
SBS UCSB-6GaCo March 17, 1998
SBN UCSB-9 January 29, 2008
SBT UCSB-10GaZn March 17, 1998
SEW SSZ-82 July 4, 2013
SFE SSZ-48 May 2, 2000
SFF SSZ-44 December 10, 1998
SFG SSZ-58 February 10, 2003
SFH SSZ-53 August 3, 2003
SFN SSZ-59 August 3, 2003
SFO SSZ-51 November 8, 2004
SFS SSZ-56 March 9, 2009
SFW SSZ-52 July 4, 2013
SGT Sigma-2 1987
SIV SIV-7 October 29, 2006
SOD Sodalite 1978
SOF SU-15 September 18, 2008
SOR SCM-14 May 18, 2018
SOS SU-16 November 8, 2004
SOV SCM-15 April 26, 2019
SSF SSZ-65 January 29, 2008
-SSO SSZ-61 September 16, 2014
(* removed 2022)
SSY SSZ-60 January 30, 2004
STF SSZ-35 December 10, 1998
STI Stilbite 1978
STT SSZ-23 July 5, 1998
STW SU-32 September 18, 2008
-SVR SSZ-74 September 18, 2008
SVV SSZ-77 July 4, 2013
-SYT SYSU-3 July 31, 2020
SWY STA-20 July 18, 2017
SZR SUZ-4 October 29, 2006
     

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Code Type Material Date
     
TER Terranovaite April 12, 1996
THO Thomsonite 1978
TOL Tounkite-like mineral February 26, 2007
TON Theta-1 1987
TSC Tschörtnerite March 17, 1998
TUN TNU-9 October 29, 2006
     
UEI Mu-18 April 1, 2002
UFI UZM-5 February 10, 2003
UOS IM-16 March 4, 2009
UOV IM-17 September 16, 2014
UOZ IM-10 January 30, 2004
USI IM-6 January 30, 2004
UTL IM-12 September 15, 2004
UWY IM-20 March 13, 2011
     
VET VPI-8 December 19, 1995
VFI VPI-5 1992
VNI VPI-9 December 19, 1995
VSV VPI-7 March 15, 1994
     
WEI Weinebeneite June1, 1993
-WEN Wenkite 1987
     
YFI YNU-5 May 15, 2018
YUG Yugawaralite 1978
     
ZJN ZJM-9 September 20, 2024
ZON ZAPO-M1 April 17, 1995
     

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last updated 14-November-2025