Maghrebite Group
A group of related mineral species
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About Maghrebite Group
Formula:
M12+M23+M33+(AsO4)2(OH)2 · 8H2O
where
M1 = Fe2+, Mg2+, Mn2+;
M3+ = Al3+ or Fe3+.
M1 = Fe2+, Mg2+, Mn2+;
M3+ = Al3+ or Fe3+.
Member of:
Name:
Named after the first mineral in the group that had its structure determined, Maghrebite.
Unique Identifiers
Mindat ID:
46445
Long-form identifier:
mindat:1:1:46445:3
Classification of Maghrebite Group
Laueite structure archetype
Maghrebite group minerals exhibit the laueite structure archetype.
IMA Classification of Maghrebite Group
IMA status notes:
IMA Approved Group Name
Approval year:
2014
First published:
2015
Approval history:
Approved by IMA in 2014 (proposal 14-F).
Chemistry of Maghrebite Group
Mindat Formula:
M12+M23+M33+(AsO4)2(OH)2 · 8H2O
where
M1 = Fe2+, Mg2+, Mn2+;
M3+ = Al3+ or Fe3+.
where
M1 = Fe2+, Mg2+, Mn2+;
M3+ = Al3+ or Fe3+.
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) |
|---|---|---|---|---|---|---|---|
| 0019348 | Maghrebite | Meisser N, Brugger J, Krivovichev S, Armbruster T, Favreau G (2012) Description and crystal structure of maghrebite, MgAl2(AsO4)2(OH)2*8H2O, from Aghbar, Anti-Atlas, Morocco: first arsenate in the laueite mineral group European Journal of Mineralogy 24 717-726 | 2012 | Aghbar, Anti-Atlas, Morocco | 0 | 293 |
CIF Raw Data - click here to close
Relationship of Maghrebite Group to other Species
Member of:
Other Members of Laueite Supergroup:
| Laueite Group | M12+M23+M33+(PO4)2(OH)2 · 8H2O |
Maghrebite Group Members:
| Césarferreiraite | Fe2+ Fe3+2(AsO4)2(OH)2 · 8H2O | Tric. 1 : P1 |
| Maghrebite | MgAl2(AsO4)2(OH)2 · 8H2O | Tric. 1 : P1 |
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 Maghrebite Group
mindat.org URL:
https://www.mindat.org/min-46445.html
Please feel free to link to this page.
Please feel free to link to this page.
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References for Maghrebite Group
Localities for Maghrebite Group
Showing 8 localities.
symbol to view information about a locality.
The Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
ⓘ - 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.
Brazil | |
| [Césarferreiraite] Bermanec et al. (2011) |
| [Césarferreiraite] Scholz et al. (2014) | |
Morocco | |
| [Maghrebite] Favreau et al. (2007) |
| [Maghrebite] Meisser +4 other references | |
| [Maghrebite] Georges FAVREAU collection & EDX ... |
| [Maghrebite] Favreau (n.d.) | |
| [Maghrebite] JP Barral collection |
| [Maghrebite] Vincent Bourgoin |
Aghbar open pit, Aghbar, Tansifte Caïdat, Agdz Cercle, Zagora Province, Drâa-Tafilalet Region, Morocco