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Filipstadite

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Formula:
(Mn2+,Mg)2(Sb5+,Fe3+)O4
System:
Isometric
Lustre:
Metallic
Hardness:
6 - 6½
Member of:
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 Filipstadite

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 Filipstadite

Metallic
Hardness (Mohs):
6 - 6½

Optical Data of Filipstadite

Type:
Biaxial
Dispersion:
r > v strong

Chemical Properties of Filipstadite

IMA Formula:
(Mn2+,Mg)2(Sb5+,Fe3+)O4
Elements listed in formula:

Crystallography of Filipstadite

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

Type Occurrence of Filipstadite

Relationship of Filipstadite to other Species

Member of:
Other Members of Group:
ChromiteFe2+Cr23+O4
Cochromite(Co,Ni,Fe)(Cr,Al)2O4
CoulsoniteFe2+V23+O4
CuprospinelCu2+Fe23+O4
FrankliniteZn2+Fe23+O4
GahniteZnAl2O4
GalaxiteMn2+Al2O4
HercyniteFe2+Al2O4
JacobsiteMn2+Fe23+O4
MagnesiochromiteMgCr2O4
MagnesiocoulsoniteMgV2O4
MagnesioferriteMgFe23+O4
MagnetiteFe2+Fe23+O4
ManganochromiteMn2+Cr2O4
Nichromite(Ni,Co,Fe)(Cr,Fe,Al)2O4
Qandilite(Mg,Fe3+)2(Ti,Fe3+,Al)O4
SpinelMgAl2O4
TrevoriteNi2+Fe23+O4
UlvöspinelFe2TiO4
VuorelaineniteMn2+V23+O4
XieiteFe2+Cr2O4
ZincochromiteZnCr2O4
4.BB.05ChromiteFe2+Cr2O4
4.BB.05CochromiteCoCr2O4
4.BB.05CoulsoniteFe2+V23+O4
4.BB.05CuprospinelCu2+Fe23+O4
4.BB.05FrankliniteZnFe23+O4
4.BB.05GahniteZnAl2O4
4.BB.05GalaxiteMn2+Al2O4
4.BB.05HercyniteFe2+Al2O4
4.BB.05JacobsiteMn2+Fe23+O4
4.BB.05ManganochromiteMn2+Cr2O4
4.BB.05MagnesiocoulsoniteMgV2O4
4.BB.05MagnesiochromiteMgCr23+O4
4.BB.05MagnesioferriteMgFe23+O4
4.BB.05MagnetiteFe2+Fe23+O4
4.BB.05Nichromite(Ni,Co,Fe)(Cr,Fe,Al)2O4
4.BB.05QandiliteMg2(Ti,Fe3+,Al)O4
4.BB.05SpinelMgAl2O4
4.BB.05TrevoriteNiFe23+O4
4.BB.05UlvöspinelFe22+TiO4
4.BB.05VuorelaineniteMn2+V23+O4
4.BB.05ZincochromiteZnCr2O4
4.BB.10HausmanniteMn2+Mn23+O4
4.BB.10HetaeroliteZnMn23+O4
4.BB.10HydrohetaeroliteHZnMn3+5/3O4
4.BB.10IwakiiteMn2+Fe23+O4
4.BB.15MaghemiteFe2.67O4
4.BB.15TitanomaghemiteFe(Fe,Ti)2O4
4.BB.20TegengreniteMg2(Sb,Mn)O4
4.BB.25XieiteFeCr2O4
7.19.1BixbyiteMn23+O3
7.19.2Janggunite(Mn4+,Mn2+,Fe3+)6O8(OH)6
7.19.3JacobsiteMn2+Fe23+O4
7.19.4Vernadite(Mn4+,Fe3+,Ca,Na)(O,OH)2 · nH2O
7.19.5GalaxiteMn2+Al2O4
7.19.7ManganochromiteMn2+Cr2O4
7.19.8ZenzénitePb3Fe43+Mn34+O15

Other Names for Filipstadite

Name in Other Languages:

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.

References for Filipstadite

Reference List:
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 Filipstadite

mindat.org URL:
https://www.mindat.org/min-1548.html
Please feel free to link to this page.

Localities for Filipstadite

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.
(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
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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