Palygorskite Group
A group of related mineral species
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About Palygorskite Group
Formula:
(M1)(M2)2(M3)2(M4)2(T1)4(T2)4O20(OH)2(H2O,OH) Β· W
M1 = Fe3+, β», Mn2+, Ca, Mg
M2 = Fe3+, Mn2+, Al, β»
M3 = Mg, Na, Mn2+, Ca, Fe3+, β»
M4 = β», Ca, Ti, Mn2+
T1 = Si, Al, Ti, Fe3+
T2 = Si, Al, Ti, Fe3+
W = nH2O, Na(H2O)6
M2 = Fe3+, Mn2+, Al, β»
M3 = Mg, Na, Mn2+, Ca, Fe3+, β»
M4 = β», Ca, Ti, Mn2+
T1 = Si, Al, Ti, Fe3+
T2 = Si, Al, Ti, Fe3+
W = nH2O, Na(H2O)6
Unique Identifiers
Mindat ID:
41568
Long-form identifier:
mindat:1:1:41568:8
GUID
(UUID V4):
(UUID V4):
b32e96fa-3311-4efa-b751-1c2e71e11965
Chemistry of Palygorskite Group
Mindat Formula:
(M1)(M2)2(M3)2(M4)2(T1)4(T2)4O20(OH)2(H2O,OH) Β· W
M1 = Fe3+, β», Mn2+, Ca, Mg
M2 = Fe3+, Mn2+, Al, β»
M3 = Mg, Na, Mn2+, Ca, Fe3+, β»
M4 = β», Ca, Ti, Mn2+
T1 = Si, Al, Ti, Fe3+
T2 = Si, Al, Ti, Fe3+
W = nH2O, Na(H2O)6
M1 = Fe3+, β», Mn2+, Ca, Mg
M2 = Fe3+, Mn2+, Al, β»
M3 = Mg, Na, Mn2+, Ca, Fe3+, β»
M4 = β», Ca, Ti, Mn2+
T1 = Si, Al, Ti, Fe3+
T2 = Si, Al, Ti, Fe3+
W = nH2O, Na(H2O)6
Crystal Structure
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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure
| ID | Species | Reference | Link | Year | Locality | Pressure (GPa) | Temp (K) |
|---|---|---|---|---|---|---|---|
| 0004563 | Palygorskite | Post J E, Heaney P J (2008) Synchotron powder X-ray diffraction study of the structure and dehydration behavior of palygorskite American Mineralogist 93 667-675 |  | 2008 | Yulu River, Korea | 0 | 293 |
| 0004564 | Palygorskite | Post J E, Heaney P J (2008) Synchotron powder X-ray diffraction study of the structure and dehydration behavior of palygorskite American Mineralogist 93 667-675 | | 2008 | Yulu River, Korea | 0 | 293 |
| 0004565 | Palygorskite | Post J E, Heaney P J (2008) Synchotron powder X-ray diffraction study of the structure and dehydration behavior of palygorskite American Mineralogist 93 667-675 | | 2008 | Lemesurier Island, Alaska | 0 | 293 |
| 0006953 | Palygorskite | Chiari G, Giustetto R, Ricchiardi G (2003) Crystal structure refinements of palygorskite and Maya Blue from molecular modeling and powder synchrotron diffraction European Journal of Mineralogy 15 21-33 | 2003 | 0 | 293 | ||
| 0006954 | Palygorskite | Chiari G, Giustetto R, Ricchiardi G (2003) Crystal structure refinements of palygorskite and Maya Blue from molecular modeling and powder synchrotron diffraction European Journal of Mineralogy 15 21-33 | 2003 | 0 | 293 | ||
| 0007074 | Palygorskite | Guistetto R, Chiari G (2004) Crystal structure refinement of palygorskite from neutron powder diffraction European Journal of Mineralogy 16 521-532 | 2004 | Lorenzo Pech mine, near Ticul, on the way to Chapab, Chiapas, Mexico | 0 | 293 | |
| 0007075 | Palygorskite | Guistetto R, Chiari G (2004) Crystal structure refinement of palygorskite from neutron powder diffraction European Journal of Mineralogy 16 521-532 | 2004 | Lorenzo Pech mine, near Ticul, on the way to Chapab, Chiapas, Mexico | 0 | 293 | |
| 0002916 | Tuperssuatsiaite | Camara F, Garvie L A J, Devouard B, Groy T L, Buseck P R (2002) The structure of Mn-tuperssuatsiaite, a palygorskite-related mineral American Mineralogist 87 1458-1463 | | 2002 | 0 | 293 | |
| 0019873 | Yofortierite | Hawthorne F C, Abdu Y A, Tait K T, Back M E (2013) The crystal structure of yofortierite The Canadian Mineralogist 51 243-251 | 2013 | Poudrette Quarry, Mont St. Hilaire, Quebec, Canada | 0 | 293 | |
| 0018919 | Windhoekite | Chukanov N V, Britvin S N, Blass G, Belakovskiy D I, Van K V (2012) Windhoekite, Ca2Fe3+3-x(Si8O20)(OH)4*10H2O, a new palygorskite-group mineral from the Aris phonolite, Namibia crystal structure. The structure is missing two oxygens, and the OH positions were not given. European Journal of Mineralogy 24 171-179 | 2012 | Aris phonolite, Namibia | 0 | 293 |
CIF Raw Data - click here to close
Relationship of Palygorskite Group to other Species
Group Members:
| Palygorskite | β»Al2Mg2β»2Si8O20(OH)2(H2O)4 Β· 4H2O | Mon. 2/m : B2/m |
| Raite | Mn2+Mn2+2Na2(β»1.75Ti0.25)Si8O20(OH)2(H2O)4 Β· Na(H2O)6 | Orth. 2 2 2 : C2 2 2 |
| Tuperssuatsiaite | Fe3+Fe3+2(Naβ»)β»2Si8O20(OH)2(H2O)4 Β· 2H2O | Mon. 2/m : B2/m |
| Unnamed (Na-Ca-Fe-Silicate-Hydrate) | NaCa(Fe2+,Al,Mn)5[Si8O19(OH)](OH)7 Β· 5H2O | Tric. 1 : P1 |
| Windhoekite | Fe3+(Fe3+1.67β»0.33)Ca2β»2Si8O20(OH)2(H2O)4(OH)2 Β· 6H2O | Mon. 2/m : B2/m |
| Windmountainite | β»Fe3+2Mg2β»2Si8O20(OH)2(H2O)4 Β· 4H2O | Mon. 2/m : B2/m |
| Yofortierite | Mn2+Mn2+2Mn2+2β»2Si8O20(OH)2(H2O)4 Β· 4H2O | Mon. 2/m : B2/m |
Other Information
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Internet Links for Palygorskite Group
mindat.org URL:
https://www.mindat.org/min-41568.html
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References for Palygorskite Group
Reference List:
Localities for Palygorskite Group
symbol to view information about a locality.
The Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
β - Click for references and further information on this occurrence.
? - Indicates mineral may be doubtful at this locality.
- Good crystals or important locality for species.
- World class for species or very significant.
(TL) - Type Locality for a valid mineral species.
(FRL) - First Recorded Locality for everything else (eg varieties).
All localities listed without proper references should be considered as questionable.
Yubileinaya pegmatite, Karnasurt Mountain, Lovozersky District, Murmansk Oblast, Russia