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Filipstadite

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About FilipstaditeHide

Formula:
(Sb0.5Fe0.5)Mn2O4
Lustre:
Metallic
Hardness:
6 - 6½
Crystal System:
Isometric
Name:
For the town of Filipstad, Sweden, which is near the Långban mine.
Chemically related to melanostibite.

Crystal structure details:
- ions occupy ⅛ of the octahedral and ½ of the tetrahedral holes of the spinel-type ccp oxygen lattice
- tetrahedral sites are split into 5 subsites, as a result of cation ordering
- octahedral sites are split into 6 substites, as a result of cation ordering
- unit cell edge is tripled due to cation ordering
- M sites, octahedral, host Sb, part of Mn and Fe, and most of Mg
- T sites host the rest of Mn, Fe, and trace Mg, Zn, and Si


Classification of FilipstaditeHide

Approved
4.BB.05

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
B : Metal: Oxygen = 3:4 and similar
B : With only medium-sized cations
7.2.13.1

7 : MULTIPLE OXIDES
2 : AB2X4
7.19.6

7 : Oxides and Hydroxides
19 : Oxides of Mn and Fe

Physical Properties of FilipstaditeHide

Metallic
Hardness:
6 - 6½ on Mohs scale

Optical Data of FilipstaditeHide

Type:
Biaxial
Dispersion:
r > v strong

Chemical Properties of FilipstaditeHide

Formula:
(Sb0.5Fe0.5)Mn2O4
IMA Formula:
(Mn2+,Mg)2(Sb5+,Fe3+)O4

Crystallography of FilipstaditeHide

Crystal System:
Isometric
Cell Parameters:
a = 25.9300 Å, b = 25.9300 Å, c = 25.9300 Å
Ratio:
a:b:c = 1 : 1 : 1
Unit Cell V:
17,434.42 ų (Calculated from Unit Cell)

Type Occurrence of FilipstaditeHide

Synonyms of FilipstaditeHide

Other Language Names for FilipstaditeHide

Relationship of Filipstadite to other SpeciesHide

Other Members of this group:
AhrensiteSiFe2O4Iso. m3m (4/m 3 2/m)
BrunogeieriteGe4+Fe2+2O4Iso. m3m (4/m 3 2/m) : Fd3m
Qandilite(Mg,Fe3+)2(Ti,Fe3+,Al)O4
Ringwoodite(Mg,Fe2+)2SiO4Iso. m3m (4/m 3 2/m) : Ia3d
UlvöspinelTiFe2O4Iso. m3m (4/m 3 2/m) : Fd3m

Common AssociatesHide

Associated Minerals Based on Photo Data:
Friedelite2 photos of Filipstadite associated with Friedelite on mindat.org.
Ingersonite1 photo of Filipstadite associated with Ingersonite on mindat.org.
Tegengrenite1 photo of Filipstadite associated with Tegengrenite on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

4.BB.ChenmingiteFeCr2O4Orth. mmm (2/m 2/m 2/m) : Pnma
4.BB.ThermaerogeniteCuAl2O4Iso. m3m (4/m 3 2/m) : Fd3m
4.BB.05ChromiteFe2+Cr3+2O4Iso. m3m (4/m 3 2/m) : Fd3m
4.BB.05Cochromite(Co,Ni,Fe)(Cr,Al)2O4
4.BB.05CoulsoniteFe2+V3+2O4
4.BB.05CuprospinelCu2+Fe3+2O4Iso.
4.BB.05FrankliniteZn2+Fe3+2O4Iso. m3m (4/m 3 2/m) : Fd3m
4.BB.05GahniteZnAl2O4Iso. m3m (4/m 3 2/m) : Fd3m
4.BB.05GalaxiteMn2+Al2O4Iso. m3m (4/m 3 2/m) : Fd3m
4.BB.05HercyniteFe2+Al2O4Iso. m3m (4/m 3 2/m) : Fd3m
4.BB.05JacobsiteMn2+Fe3+2O4Iso. m3m (4/m 3 2/m) : Fd3m
4.BB.05ManganochromiteMn2+Cr2O4
4.BB.05MagnesiocoulsoniteMgV2O4Iso.
4.BB.05MagnesiochromiteMgCr2O4Iso. m3m (4/m 3 2/m) : Fd3m
4.BB.05MagnesioferriteMgFe3+2O4Iso. m3m (4/m 3 2/m) : Fd3m
4.BB.05MagnetiteFe2+Fe3+2O4Iso. m3m (4/m 3 2/m) : Fd3m
4.BB.05Nichromite(Ni,Co,Fe)(Cr,Fe,Al)2O4Iso. m3m (4/m 3 2/m) : Fd3m
4.BB.05Qandilite(Mg,Fe3+)2(Ti,Fe3+,Al)O4
4.BB.05SpinelMgAl2O4Iso. m3m (4/m 3 2/m) : Fd3m
4.BB.05TrevoriteNi2+Fe3+2O4Iso. m3m (4/m 3 2/m) : Fd3m
4.BB.05UlvöspinelTiFe2O4Iso. m3m (4/m 3 2/m) : Fd3m
4.BB.05VuorelaineniteMn2+V3+2O4
4.BB.05ZincochromiteZnCr2O4Iso.
4.BB.10HausmanniteMn2+Mn3+2O4Tet. 4/mmm (4/m 2/m 2/m) : I41/amd
4.BB.10HetaeroliteZnMn2O4Tet. 4/mmm (4/m 2/m 2/m) : I41/amd
4.BB.10HydrohetaeroliteZnMn2O4 · H2OTet. 4/mmm (4/m 2/m 2/m) : I41/amd
4.BB.10IwakiiteMn2+Fe3+2O4Tet. 4/mmm (4/m 2/m 2/m) : I41/amd
4.BB.15MaghemiteFe3+2O3Iso. 4 3 2 : P41 3 2
4.BB.15TitanomaghemiteFe3+(Fe3+,Ti4+,Fe2+,◻)2O4Iso. 4 3 2 : P43 3 2
4.BB.20Tegengrenite(Mg,Mn2+)2Sb5+0.5(Mn3+,Si,Ti)0.5O4Trig.
4.BB.25XieiteFe2+Cr2O4Orth. mmm (2/m 2/m 2/m)

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

7.19.1BixbyiteMn3+2O3Iso. m3 (2/m 3) : Ia3
7.19.2JangguniteMn5-x(Mn,Fe)1+xO8(OH)6Orth.
7.19.3JacobsiteMn2+Fe3+2O4Iso. m3m (4/m 3 2/m) : Fd3m
7.19.4Vernadite(Mn4+,Fe3+,Ca,Na)(O,OH)2 · nH2OHex.
7.19.5GalaxiteMn2+Al2O4Iso. m3m (4/m 3 2/m) : Fd3m
7.19.7ManganochromiteMn2+Cr2O4
7.19.8ZenzénitePb3Fe4Mn3O15Hex.

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 FilipstaditeHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Dunn, P.J., Peacor, D.R., Criddle, A.J. and Stanley, C.J. (1988) Filipstadite, a new Mn-Fe3+-Sb derivative of spinel, from Långban, Sweden. American Mineralogist, 73, 413-419.
Bonazzi, P., Chelazzi, L., Bindi, L. (2013) Superstructure, crystal chemistry and cation distribution in filipstadite, a Sb5+-bearing, spinel-related mineral. American Mineralogist, 98, 361–366.

Internet Links for FilipstaditeHide

Localities for FilipstaditeHide

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.
Sweden (TL)
 
  • Värmland
    • Filipstad
Amer.Min.(1988) 73, 413-419; Nysten, P., Holtstam, D. and Jonsson, E. (1999) The Långban minerals. In Långban - The mines,their minerals, geology and explorers (D. Holtstam and J. Langhof, eds.), Swedish Museum of Natural History and Raster Förlag, Stockholm & Chr. Weise Verlag, Munich, pp. 89-183.
      • Nordmark district
        • Jakobsberg ore field
GFF 115, 239; Kjell Gatedal
Mineral and/or Locality  
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