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Maghrebite Group

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About Maghrebite GroupHide

Formula:
M12+M23+M33+(AsO4)2(OH)2·8H2O
where M1 = Fe2+, Mg2+, Mn2+; M3+ = Al3+ or Fe3+.
Name:
Named after the first mineral in the group that had its structure determined, Maghrebite.
A group in the Laueite Supergroup which includes arsenates.


Classification of Maghrebite GroupHide

Approved
Notes:
Group Name
Approval Year:
2014
First Published:
2015
Approval History:
Approved by IMA in 2014 (proposal 14-F).

Chemical Properties of Maghrebite GroupHide

Formula:
M12+M23+M33+(AsO4)2(OH)2·8H2O

where M1 = Fe2+, Mg2+, Mn2+; M3+ = Al3+ or Fe3+.

Relationship of Maghrebite Group to other SpeciesHide

Other Members of this group:
Laueite GroupM12+M23+M33+(PO4)2(OH)2·8H2O
Group Members:
Césarferreiraite Fe2+ Fe3+2(AsO4)2(OH)2·8H2OTric. 1 : P1
Maghrebite MgAl2(AsO4)2(OH)2 · 8H2OTric. 1 : P1

Other InformationHide

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Maghrebite GroupHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Mills, S. J. and Grey, I. E. (2015) Nomenclature for the laueite supergroup, Mineralogical Magazine: 79: 243-246

Internet Links for Maghrebite GroupHide

Localities for Maghrebite GroupHide

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for 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). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Brazil
 
  • Minas Gerais
    • Conselheiro Pena
[Césarferreiraite] Bermanec, V., Scholz, R., Markovic, F., Zigovecki-Gobac, Z., and Chaves, M. L. S. C., 2011, Mineralogy of the Boa Vista pegmatite, Galiléia, Minas Gerais, Brazil: Contributions to the 5th International Symposium on Granitic Pegmatites, Galliski et al., eds., Assoc. Geológica Argentina, Serie D, Publicación Especial 14, p. 33-35.
[Césarferreiraite] Scholz, R., Chukanov, N. V., Menezes Filho, L. A., Atencio, D., Lagoeiro, L., Belotti, F. M., ... & Pekov, I. (2014). Césarferreiraite, Fe2+ Fe23+ (AsO4) 2 (OH) 2· 8H2O, from Eduardo mine, Conselheiro Pena, Minas Gerais, Brazil: Second arsenate in the laueite mineral group. American Mineralogist, 99(4), 607-611.
Morocco
 
  • Drâa-Tafilalet Region
    • Ouarzazate Province
      • Tazenakht
        • Bou Azzer District (Bou Azer District)
          • Aghbar
[Maghrebite] Favreau, G., Dietrich, J. E., Meisser, N., Brugger, J., Ait Haddouch, L. & Maacha, L. (2007): Bou Azzer, Morocco. Mineralogical Record 38, 345-407
[Maghrebite] N. Meisser, J. Brugger (2006): "Bouazzerit und Maghrebit, zwei neue Arsenatmineralien aus dem Revier Bou Azzer, Marokko", Lapis 31(7/8), 69-71; 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.
          • Aït Ahmane
[Maghrebite] Georges FAVREAU collection
          • Oumlil
[Maghrebite] JP Barral collection
[Maghrebite] Vincent Bourgoin, EDS analysis, September 2014.
Mineral and/or Locality  
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