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Ferrohögbomite-2N2S

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Formula:
[(Fe2+,Mg,Zn,Al)3(Al,Ti,Fe3+)8O15(OH)]2
Colour:
reddish brown to brownish black
Lustre:
Adamantine
Hardness:
6 - 7
Crystal System:
Hexagonal
Name:
chemistry and relation to högbomite
Hide all sections | Show all sections

Classification of Ferrohögbomite-2N2SHide

Approved
Approval Year:
2001
4.00.

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
0 :
0 :

Physical Properties of Ferrohögbomite-2N2SHide

Adamantine
Transparency:
Translucent
Colour:
reddish brown to brownish black
Streak:
light brown to brown
Hardness:
6 - 7 on Mohs scale
Hardness Data:
Measured

Optical Data of Ferrohögbomite-2N2SHide

Type:
Uniaxial (-)
RI values:
nω = 1.850 nε = 1.830
Max Birefringence:
δ = 0.020
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Very High

Chemical Properties of Ferrohögbomite-2N2SHide

Formula:
[(Fe2+,Mg,Zn,Al)3(Al,Ti,Fe3+)8O15(OH)]2
IMA Formula:
(Fe,Mg,Zn,Al)3(Al,Ti,Fe)8O15(OH)

Crystallography of Ferrohögbomite-2N2SHide

Crystal System:
Hexagonal
Class (H-M):
6mm - Dihexagonal Pyramidal
Space Group:
P63mc
Cell Parameters:
a = 5.712 Å, c = 18.317 Å
Ratio:
a:c = 1 : 3.207
Unit Cell V:
517.56 ų (Calculated from Unit Cell)
Z:
2

Type Occurrence of Ferrohögbomite-2N2SHide

Synonyms of Ferrohögbomite-2N2SHide

Other Language Names for Ferrohögbomite-2N2SHide

Relationship of Ferrohögbomite-2N2S to other SpeciesHide

Other Members of this group:
Ferrohögbomite-6N12S[(Fe2+,Mg,Zn)5(Al,Ti,Fe3+)12O23(OH)]6Trig. 3m (3 2/m) : R3m
Magnesiohögbomite-2N2S[(Mg,Fe2+)3[Al7(Ti,Fe3+)]O15(OH)]2Hex. 6mm : P63mc
Magnesiohögbomite-2N3S[(Mg,Fe2+,Zn)4(Al,Ti,Fe3+)10O19(OH)]2Trig. 3m (3 2/m) : P3 1m
Magnesiohögbomite-2N4S(Mg8.43Fe2+1.57)sum=10Al22Ti4+2O46(OH)2Hex. 6mm : P63mc
Zincohögbomite-2N2S[(Zn,Al,Fe2+)3(Al,Fe3+,Ti)8O15(OH)]2Hex. 6mm : P63mc
Zincohögbomite-2N6S[(Zn,Mg)7(Al,Fe3+,Ti)16O31(OH)]2Hex. 6mm : P63mc

Common AssociatesHide

Associated Minerals Based on Photo Data:
Magnetite1 photo of Ferrohögbomite-2N2S associated with Magnetite on mindat.org.
Ilmenite1 photo of Ferrohögbomite-2N2S associated with Ilmenite on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

4.00.Goethiteα-Fe3+O(OH)Orth. mmm (2/m 2/m 2/m)
4.00.Microlite GroupIso. m3m (4/m 3 2/m) : Fd3m
4.00.Ferrotaaffeite-6N'3S(Be,Zn,Mg)FeAl4O8Trig.
4.00.Pyrochlore GroupA2Nb2(O,OH)6Z
4.00.Roméite Group
4.00.Písekite-(Y)(Y,As,Ca,Fe,U)(Nb,Ti,Ta)O4
4.00.UM2004-19-O:AlCeGdZr(Gd,Ce)4Al2Zr4O17
4.00.UM2004-21-O:CaFeGdZrCa2Gd4Fe5ZrO15
4.00.UM2004-27-O:GdTiGd2Ti4O11
4.00.Mapiquiroite(Sr,Pb)(U,Y)Fe2(Ti,Fe3+,Cr3+)18O38Trig. 3 : R3
4.00.AlmeidaitePbZn2(Mn,Y)(Ti,Fe3+)18O37(OH,O)Trig. 3 : R3
4.00.VapnikiteCa2CaUO6Mon. 2/m

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 Ferrohögbomite-2N2SHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Hejny, C., E. Gnos, B. Grobety & T. Armbruster (2002): Crystal chemistry of the polysome ferrohögbomite-2N2S, a long-known but newly defined mineral species.: European Journal of Mineralogy: 14, 957-967.

Internet Links for Ferrohögbomite-2N2SHide

Localities for Ferrohögbomite-2N2SHide

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.
Algeria (TL)
 
  • Algiers Province
C. Hejny et al. (2002) Eur. J. Mineral. 14, 957-967
Antarctica
 
  • Eastern Antarctica
    • Victoria Land
C. Hejny et al. (2002) Eur. J. Mineral. 14, 957-967
Australia
 
  • Northern Territory
    • Central Desert Region
      • Strangways Range
Hejny, C., Gnos, E., Grobety, B., Armbruster, T. (2002) Crystal chemistry of the polysome ferrohögbomite-2N2S, a long-known but newly defined mineral species. European Journal of Mineralogy, Vol. 14 no. 5 pp.957-967. Wilson, A. F. (1977) A zincian högbomite and some other högbomites from the Strangways Range, Central Australia. Mineralogical Magazine, Vol.41, pp. 337-44.
Myanmar
 
  • Mandalay Region (Mandalay Division)
    • Pyin-Oo-Lwin District
      • Mogok Township
        • Kyauk-Pyat-That
          • Thurein-taung
Pavel M. Kartashov analytical data, Sieghard Ellenberger specimens
USA
 
  • New York
    • St. Lawrence Co.
      • Star Lake
        • Benson
C. Hejny et al. (2002) Eur. J. Mineral. 14, 957-967; Contributions to Mineralogy and Petrology Volume 101, Number 3 / March, 1989 Pages 350-360
Mineral and/or Locality  
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