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Ferronigerite-2N1S

A valid IMA mineral species - grandfathered
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About Ferronigerite-2N1SHide

08722720015221151565353.jpg
Flag of Nigeria
Formula:
(Al,Fe,Zn)2(Al,Sn)6O11(OH)
Colour:
Brown
Hardness:
8 - 9
Specific Gravity:
4.51
Crystal System:
Trigonal
Name:
Originally named nigerite, for the type locality in Nigeria. Renamed according to the new nigerite group nomenclature as Fe dominant mineral and the 2N1S polysome.

Unique IdentifiersHide

Mindat ID:
2903
Long-form identifier:
mindat:1:1:2903:8
GUID
(UUID V4):
33e26382-61dd-4dec-b0f4-524395836265

IMA Classification of Ferronigerite-2N1SHide

Approved, 'Grandfathered' (first described prior to 1959)
IMA status notes:
Renamed by the IMA
First published:
1947
Approval history:
IMA Case 01–A - Renamed from nigerite-6T.

Classification of Ferronigerite-2N1SHide

4.FC.20

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
F : Hydroxides (without V or U)
C : Hydroxides with OH, without H2O; corner-sharing octahedra
7.11.8.2

7 : MULTIPLE OXIDES
11 : Miscellaneous
7.11.12

7 : Oxides and Hydroxides
11 : Oxides of Sn and Pb

Mineral SymbolsHide

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

SymbolSourceReference
Fng-2N1SIMA–CNMNCWarr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Physical Properties of Ferronigerite-2N1SHide

Comment:
'Lustrous', 'brilliantly reflecting basal plane'.
Colour:
Brown
Hardness:
8 - 9 on Mohs scale
Tenacity:
Brittle
Density:
4.51 g/cm3 (Measured)    

Chemistry of Ferronigerite-2N1SHide

Mindat Formula:
(Al,Fe,Zn)2(Al,Sn)6O11(OH)

Crystallography of Ferronigerite-2N1SHide

Crystal System:
Trigonal
Class (H-M):
3m (3 2/m) - Hexagonal Scalenohedral
Space Group:
P3m1
Cell Parameters:
a = 5.72 Å, c = 13.69 Å
Ratio:
a:c = 1 : 2.393
Unit Cell V:
387.91 ų (Calculated from Unit Cell)
Z:
2

Crystal StructureHide

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IDSpeciesReferenceLinkYearLocalityPressure (GPa)Temp (K)
0018796Ferronigerite-2N1SArakcheeva A V, Pushcharovskii D Y, Rastsvetaeva R K, Kashaev A A, Nadezhina T N (1995) Crystal structure of nigerite-6H Kristallografiya 40 639-6441995Eastern Siberia, Irkutsk, Russia0293
CIF Raw Data - click here to close

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
2.83 Å(very strong)
2.42 Å(very strong)
1.644 Å(strong)
1.541 Å(strong)
4.64 Å(medium strong)
1.430 Å(medium strong)
1.413 Å(medium strong)
Comments:
Egbe district, Nigeria. The data are from Bannister et al. 1947.

Geological EnvironmentHide

Paragenetic Mode(s):
Paragenetic ModeEarliest Age (Ga)
Stage 4a: Earth’s earliest continental crust>4.4-3.0
19 : Granitic intrusive rocks
Stage 5: Initiation of plate tectonics<3.5-2.5
40 : Regional metamorphism (greenschist, amphibolite, granulite facies)

Type Occurrence of Ferronigerite-2N1SHide

General Appearance of Type Material:
Intergrowths and coatings on gahnite. Also as isolated brown hexagonal plates up to 5 X 2 mm.
Place of Conservation of Type Material:
MusĂ©um Nationale d’Histoire Naturelle, Paris, France, 153.44 and 178.163 (type).
Natural History Museum, London, United Kingdom, number BM 1947,392 (type).
Geological Setting of Type Material:
Quartz-sillimanite-rocks associated with tin-bearing pegmatites.
Associated Minerals at Type Locality:

Synonyms of Ferronigerite-2N1SHide

Other Language Names for Ferronigerite-2N1SHide

Relationship of Ferronigerite-2N1S to other SpeciesHide

Other Members of this group:
Ferronigerite-6N6S(Al,Fe,Zn)3(Al,Sn,Fe)8O15(OH)Trig. 3m (3 2/m) : R3m

Common AssociatesHide

Associated Minerals Based on Photo Data:
4 photos of Ferronigerite-2N1S associated with MuscoviteKAl2(AlSi3O10)(OH)2
1 photo of Ferronigerite-2N1S associated with GahniteZnAl2O4
1 photo of Ferronigerite-2N1S associated with Högbomite(Mg,Fe)2(Al,Ti)5O10
1 photo of Ferronigerite-2N1S associated with MicroclineK(AlSi3O8)
1 photo of Ferronigerite-2N1S associated with QuartzSiO2

Related Minerals - Strunz-mindat GroupingHide

4.FC.05BernaliteFe(OH)3 · nH2O (n = 0.0 to 0.25)Orth. mmm (2/m 2/m 2/m) : Pmmn
4.FC.05DzhalinditeIn(OH)3Iso. m3 (2/m 3) : Im3
4.FC.05SöhngeiteGa(OH)3Tet.
4.FC.10BurtiteCa[Sn(OH)6]Hex.
4.FC.10Mushistonite(Cu,Zn,Fe2+)[Sn(OH)6]Iso. m3m (4/m 3 2/m) : Pn3m
4.FC.10NataniteFe2+[Sn(OH)6]Iso. m3m (4/m 3 2/m) : Pn3m
4.FC.10SchoenfliesiteMg[Sn(OH)6]Iso. m3 (2/m 3) : Pn3
4.FC.10VismirnoviteZn[Sn(OH)6]Iso. m3m (4/m 3 2/m) : Pn3m
4.FC.10WickmaniteMn2+[Sn(OH)6]Iso. m3 (2/m 3) : Pn3
4.FC.15JeanbandyiteFe3+xFe2+1-xSn(OH)6-xOx Tet. 4/m : P42/n
4.FC.15MopungiteNa[Sb5+(OH)6]Tet. 4/m : P42/n
4.FC.15StottiteFe2+[Ge4+(OH)6]Tet. 4/m : P42/n
4.FC.15TetrawickmaniteMn2+[Sn4+(OH)6]Tet. 4/m : P42/n
4.FC.20Magnesionigerite-6N6S(Mg,Al,Zn)3(Al,Sn,Fe)8O15(OH)Trig. 3m (3 2/m) : R3m
4.FC.20Magnesionigerite-2N1S(Mg,Al,Zn)2(Al,Sn)6O11(OH)Trig. 3m (3 2/m) : P3m1
4.FC.20Ferronigerite-6N6S(Al,Fe,Zn)3(Al,Sn,Fe)8O15(OH)Trig. 3m (3 2/m) : R3m
4.FC.20Zinconigerite-2N1S(Zn,Al,Mg)2(Al,Sn)6O11(OH)Trig. 3m (3 2/m) : P3m1
4.FC.20Zinconigerite-6N6SZn3Sn2Al16O30(OH)2Trig. 3m (3 2/m) : R3m
4.FC.25Magnesiotaaffeite-6N’3SMg2BeAl6O12Trig. 3m (3 2/m) : R3m
4.FC.25Magnesiotaaffeite-2N’2SMg3Al8BeO16Hex. 6/mmm (6/m 2/m 2/m)
4.FC.25Ferrotaaffeite-2N’2SBe(Fe,Mg,Zn)3Al8O16 Hex. 6mm : P63mc

Other InformationHide

Thermal Behaviour:
Very imperfectly attacked by fusion with sodium carbonate or caustic soda, but readily gives a clear fusion with borax and with sodium pyrosulphate.
Notes:
Weakly magnetic. Insoluble in acids.
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 Ferronigerite-2N1SHide

References for Ferronigerite-2N1SHide

Reference List:

Localities for Ferronigerite-2N1SHide

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 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.
Canada
 
  • Ontario
    • Kenora District
    • Thunder Bay District
      • Gemmell Township
China
 
  • Hunan
    • Chenzhou
      • Yizhang Co.
        • Dongpo ore field
Czech Republic
 
  • Central Bohemian Region
    • KutnĂĄ Hora District
      • Vlkaneč
Finland
 
  • PĂ€ijĂ€nne Tavastia
    • Heinola
Namibia
 
  • Erongo Region
    • Arandis Constituency
    • DĂąures Constituency
      • Uis
        • Uis pegmatites
    • Karibib Constituency
      • Spitzkopje Area
        • Klein Spitzkopje granite stock (Kleine Spitzkoppe; Klein Spitzkoppe)
Nigeria (TL)
 
  • Kogi
    • Yagba West
Poland
 
  • Lower Silesian Voivodeship
    • DzierĆŒoniĂłw County
      • PiƂawa GĂłrna
        • DSS PiƂawa GĂłrna Quarry
Portugal
 
  • Porto
    • Amarante
      • Rebordelo
    • Felgueiras
      • Vila Cova da Lixa e Borba de Godim
        • Borba de Godim
          • Seixoso Mining Field
  • Viana do Castelo
    • Ponte de Lima
      • Arcozelo
  • Vila Real
    • Barroso-AlvĂŁo pegmatite field
Sweden
 
  • Dalarna County
    • Falun
Ukraine
 
  • Kirovohrad Oblast
    • Holovanivsk Raion
USA
 
 
Mineral and/or Locality  
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