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Zenzénite

A valid IMA mineral species
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05231960017271927726967.jpg
Zenzénite, etc.

Långban Mine, Långban Ore District, Filipstad, Värmland County, Sweden
05231960017271927726967.jpg
Zenzénite, etc.

Långban Mine, Långban Ore District, Filipstad, Värmland County, Sweden
05231960017271927726967.jpg
Zenzénite, etc.

Långban Mine, Långban Ore District, Filipstad, Värmland County, Sweden
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About ZenzéniteHide

04706590017271927766769.jpg
Nils Zenzén
Formula:
Pb3Fe3+4Mn4+3O15
Colour:
Black
Lustre:
Metallic
Hardness:
5½ - 6
Specific Gravity:
6.83 (Calculated)
Crystal System:
Hexagonal
Name:
Named after Nils Zenzén (28 January 1883, Skövde, Sweden - 4 June 1959, Djursholm, Sweden), Senior Curator, Museum of Natural History, Stockholm (Sweden).
Isostructural with synthetic Pb3Mn7O15. The Mn(III) analogue of strandite.


Name EncodingHide

ASCII-7:
Zenzenite

Unique IdentifiersHide

Mindat ID:
4394
Long-form identifier:
mindat:1:1:4394:2

IMA Classification of ZenzéniteHide

Classification of ZenzéniteHide

Strunz-mindat (2026):
4.CC.55

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
C : Metal: Oxygen = 2: 3,3: 5, and similar
C : With large and medium-sized cations
Dana 8th ed.:
7.5.4.1

7 : MULTIPLE OXIDES
5 : (AB)2X3
Hey's CIM Ref.:
7.19.8

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

Mineral SymbolsHide

As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

SymbolSourceReference for Standard
ZenIMA–CNMNCWarr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Physical Properties of ZenzéniteHide

Lustre:
Metallic
Transparency:
Opaque
Colour:
Black
Hardness:
5½ - 6 on Mohs scale
Hardness:
VHN50=739 - 795 kg/mm2 - Vickers
Cleavage:
Distinct/Good
{0001}, distinct
Density:
6.83 g/cm3 (Calculated)

Optical Data of ZenzéniteHide

Type:
Uniaxial
Anisotropism:
Distinct; in shades of gray and pale brown.
Bireflectance:
Weak; visible only in oil.
Reflectivity:
WavelengthR1 (%)R2 (%)
400nm32.0%25.9%
420nm31.7%26.2%
440nm31.6%26.5%
460nm31.2%26.2%
480nm30.8%25.9%
500nm30.4%25.6%
520nm30.0%25.4%
540nm29.6%25.1%
560nm29.2%24.8%
580nm28.7%24.5%
600nm28.3%24.2%
620nm27.8%23.9%
640nm27.4%23.6%
660nm27.1%23.3%
680nm26.8%22.9%
700nm26.5%22.6%


Graph shows reflectance levels at different wavelengths (in nm). Peak reflectance is 32.0%.
R1 shown in black, R2 shown in red
Colour in reflected light:
White

Chemistry of ZenzéniteHide

Mindat Formula:
Pb3Fe3+4Mn4+3O15
Element Weights:
Element% weight
Pb49.737 %
O19.203 %
Fe17.874 %
Mn13.187 %

Calculated from ideal end-member formula.
Elements listed:
Fe, Mn, O, Pb - search for minerals with similar chemistry

Crystallography of ZenzéniteHide

Crystal System:
Hexagonal
Class (H-M):
6/mmm(6/m2/m2/m) - Dihexagonal Dipyramidal
Space Group:
P63/mcm
Setting:
P63/mcm
Cell Parameters:
a = 10.008(4) Å, c = 13.672(8) Å
Ratio:
a:c = 1 : 1.366
Unit Cell V:
1,185.93 ų (Calculated from Unit Cell)
Z:
4

X-Ray Powder DiffractionHide

Geological EnvironmentHide

Paragenetic Mode(s):
Paragenetic ModeEarliest Age (Ga)
Near-surface Processes
23 : Subaerial aqueous alteration by non-redox-sensitive fluids (see also #47)
High-? alteration and/or metamorphism
32 : Ba/Mn/Pb/Zn deposits, including metamorphic deposits

Type Occurrence of ZenzéniteHide

Synonyms of ZenzéniteHide

Other Language Names for ZenzéniteHide

Common AssociatesHide

Associations Based on Photo Data:
1 photo of Zenzénite associated with FredrikssoniteMg2Mn3+O2(BO3)

Related Minerals - Strunz-mindat GroupingHide

4.CC.XuiteCa3Fe3+2[(AlO3(OH)]3Iso. m3m(4/m32/m)
4.CC.Yttriaite-(Y)Y2O3Iso. m3(2/m3)
4.CC.AllendeiteSc4Zr3O12Trig. 3 : R3
4.CC.ChlorkyuygeniteCa12Al14O32[(H2O)4Cl2]Iso. 43m : I43d
4.CC.OboniobiteMg4Nb2O9Trig. 3m(32/m) : P3c1
4.CC.BotuobinskiteSrFe2+Mg2(Cr3+6Ti4+12)[O36(OH)2]Trig. 3 : R3
4.CC.MirnyiteSrZr4+Mg2(Cr3+6Ti4+12)O38Trig. 3 : R3
4.CC.Haitaite-(La)LaU4+Fe3+2(Ti13Fe2+4Fe3+)O38Trig. 3 : R3
4.CC.ShagamiteKFe11O17Hex. 6/mmm(6/m2/m2/m) : P63/mmc
4.CC.BitikleiteCa3(Sb5+Sn4+)[AlO4]3Iso. m3m(4/m32/m) : Ia3d
4.CC.Anzaite-(Ce)Ce3+ 4Fe2+Ti6O18 (OH)2Mon. 2/m : B2/m
4.CC.Heamanite-(Ce)(K0.5Ce0.5)TiO3Iso. m3m(4/m32/m)
4.CC.Priscillagrewite-(Y)(Ca2Y)Zr2(AlO4)3Iso.
4.CC.StranditePb3Mn3+4Mn4+3O15Hex. 6/mmm(6/m2/m2/m) : P63/mcm
4.CC.SaranovskiteSrCaFe2+2(Cr4Ti2)Ti12O38Trig. 3 : R3
4.CC.05ChrombismiteBi3+16Cr6+O27Iso. m3m(4/m32/m)
4.CC.10FreudenbergiteNa2(Ti,Fe)8O16Mon.
4.CC.10FluormayeniteCa12Al14O32F2Iso. 43m : I43d
4.CC.10FluorkyuygeniteCa12Al14O32[(H2O)4F2]Iso. 43m : I43d
4.CC.15GrossiteCaAl4O7Mon. 2/m : B2/b
4.CC.17GoldschmidtiteKNbO3Iso. m3m(4/m32/m) : Pm3m
4.CC.20'Unnamed (HBU UK-4)'NaFe2+Zn2(Ti,Fe3+,Nb)6Ti12O38Trig. 3 : R3
4.CC.20ChlormayeniteCa12Al14O32[◻4Cl2]Iso. 43m : I43d
4.CC.20PaseroitePbMn2+(Mn2+,Fe3+)2(V5+,Ti,◻)18O38 Trig. 3 : R3
4.CC.20Mianningite(◻,Pb,Ce,Na)(U4+,Mn,U6+)Fe3+2 (Ti,Fe3+)18O38Trig. 3 : R3
4.CC.20'UM1987-03-O:FePbTiU'~(U,Pb)(Ti,Fe3+,Fe2+,Mn)21O38Trig. 3 : R3
4.CC.22GoreriteCaAlFe3+11O19Hex. 6/mmm(6/m2/m2/m) : P63/mmc
4.CC.22KahlenbergiteKAl11O17Hex. 6/mmm(6/m2/m2/m) : P63/mmc
4.CC.25HopmanniteBa2(Ti5Fe)O13Mon. 2/m : B2/m
4.CC.25NixoniteNa2Ti6O13Mon. 2/m : B2/m
4.CC.25YafsoaniteCa3Te6+2(ZnO4)3Iso. m3m(4/m32/m) : Ia3d
4.CC.30LatrappiteCa2NbFe3+O6Orth. mmm(2/m2/m2/m) : Pnma
4.CC.30NatroniobiteNaNbO3Mon.
4.CC.30PerovskiteCaTiO3Orth. mmm(2/m2/m2/m) : Pnma
4.CC.30LueshiteNaNbO3Orth. mmm(2/m2/m2/m)
4.CC.30BariolakargiiteBaZrO3Iso. m3m(4/m32/m) : Pm3m
4.CC.30BarioperovskiteBaTiO3Orth. mm2 : Amm2
4.CC.30MegawiteCaSnO3Orth. mmm(2/m2/m2/m) : Pban
4.CC.30LakargiiteCa(Zr,Sn,Ti)O3Orth. mmm(2/m2/m2/m) : Pnma
4.CC.32UsturiteCa3(Sb5+Zr)[Fe3+O4]3Iso. m3m(4/m32/m) : Ia3d
4.CC.32ElbrusiteCa3(U6+0.5Zr1.5)[Fe3+O4]3Iso. m3m(4/m32/m) : Ia3d
4.CC.32MonteneveiteCa3Sb5+2(Fe3+2Fe2+)O12Iso. m3m(4/m32/m) : Ia3d
4.CC.32DzhuluiteCa3(Sb5+Sn4+)[Fe3+O4]3Iso. m3m(4/m32/m) : Ia3d
4.CC.35TausoniteSrTiO3Iso. 43m
4.CC.35Loparite(Na,REE)2Ti2O6Iso. m3m(4/m32/m)
4.CC.35Panguite(Ti,Al,Sc,Mg,Zr,Ca)1.8O3Orth. mmm(2/m2/m2/m) : Pbca
4.CC.35Isolueshite(Na,La)NbO3Iso. m3m(4/m32/m) : Pm3m
4.CC.35MacedonitePbTiO3Tet. 4/mmm(4/m2/m2/m) : P4/nmm
4.CC.37PauloabibiteNaNbO3Trig. 3 : R3
4.CC.40LandauiteNaMnZn2(Ti,Fe)6Ti12O38Trig. 3 : R3
4.CC.40Mathiasite(Mg,Cr,Fe,Ca,K)2(Ti,Zr,Cr,Fe)5O12Trig. 3 : R3
4.CC.40SenaitePb(Mn,Y,U)(Fe,Zn)2(Ti,Fe,Cr,V)18(O,OH)38Trig. 3 : R3
4.CC.40Gramaccioliite-(Y)(Pb,Sr)(Y,Mn)Fe3+2(Ti,Fe3+)18O38Trig. 3 : R3
4.CC.40Lindsleyite(Ba,Sr)(Zr,Ca)(Fe,Mg)2(Ti,Cr,Fe)18O38Trig.
4.CC.40CrichtoniteSr(Mn,Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH)38Trig. 3 : R3
4.CC.40Loveringite(Ca,Ce,La)(Zr,Fe)(Mg,Fe)2(Ti,Fe,Cr,Al)18O38Trig. 3 : R3
4.CC.40Cleusonite(Pb,Sr)(U4+,U6+)(Fe2+,Zn)2(Ti,Fe2+,Fe3+)18(O,OH)38Trig. 3 : R3
4.CC.40Davidite-(Ce)Ce(Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH,F)38Trig. 3 : R3
4.CC.40Davidite-(La)La(Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH,F)38Trig. 3 : R3
4.CC.40'Davidite-(Y)'(La,Ce,Na,Ca,Pb)(Y,Fe2+,◻)(Fe2+,Mn2+)2(Ti,Fe3+,Nb,Zr)18O38 (hypothetical)Trig.
4.CC.40'Uhligite'Ca3(Ti,Al,Zr)9O20 ?Iso.
4.CC.40Dessauite-(Y)(Sr,Pb)(Y,U)(Ti,Fe3+)20O38Trig. 3 : R3
4.CC.45DiaoyudaoiteNaAl11O17Hex. 6/mmm(6/m2/m2/m) : P63/mmc
4.CC.45YimengiteK(Cr,Ti,Fe,Mg)12O19Hex. 6/mmm(6/m2/m2/m) : P63/mmc
4.CC.45NežilovitePbZn2Mn4+2Fe3+8O19Hex. 6/mmm(6/m2/m2/m) : P63/mmc
4.CC.45HawthorneiteBaMgTi3Cr4Fe2+2Fe3+2O19Hex. 6/mmm(6/m2/m2/m) : P63/mmc
4.CC.45Mizraite-(Ce)Ce(Al11Mg)O19Hex. 6/mmm(6/m2/m2/m) : P63/mmc
4.CC.45HaggertyiteBaFe2+4Fe3+2Ti5MgO19Hex. 6/mmm(6/m2/m2/m) : P63/mmc
4.CC.45LindqvistitePb2Mn2+Fe16O27Hex. 6/mmm(6/m2/m2/m) : P63/mmc
4.CC.45HiboniteCaAl12O19Hex. 6/mmm(6/m2/m2/m) : P63/mmc
4.CC.45Kangite(Sc,Ti,Al,Zr,Mg,Ca,◻)2O3 Iso. m3(2/m3)
4.CC.45ChihuahuaiteFeAl12O19Hex. 6/mmm(6/m2/m2/m) : P63/mmc
4.CC.45BarioferriteBaFe3+12O19Hex. 6/mmm(6/m2/m2/m) : P63/mmc
4.CC.45PlumboferritePb[Fe3+10.67Mn2+0.33Pb]O18.33Trig. 32 : P312
4.CC.45BatiferriteBaTi2Fe3+8Fe2+2O19Hex. 6/mmm(6/m2/m2/m) : P63/mmc
4.CC.45MagnetoplumbitePbFe3+12O19Hex. 6/mmm(6/m2/m2/m) : P63/mmc
4.CC.50JeppeiteK2Ti6O13Mon. 2/m : B2/m
4.CC.60'Mengxianminite (of Huang et al.)'(Ca,Na)3(Fe,Mn)2Mg2(Sn,Zn)5Al8O29

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.

Internet Links for ZenzéniteHide

References for ZenzéniteHide

Localities for ZenzéniteHide

Showing 1 localities.

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.
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Locality ListHide

- 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). 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 (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.
Sweden (TL)
 
  • Värmland County
    • Filipstad
      • Långban Ore District
Holtstam et al. (1991) +2 other references
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