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Ferronigerite-6N6S Mineral Data

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General Ferronigerite-6N6S Information

Help on Chemical  Formula: Chemical Formula: (Fe++,Zn)4Sn2(Al,Fe+++)15O30(OH)2
Help on Composition: Composition: Molecular Weight = 1,419.10 gm
   Calcium     0.85 %  Ca    1.19 % CaO
   Manganese   0.39 %  Mn    0.50 % MnO
   Aluminum   27.95 %  Al   52.81 % Al2O3
   Zinc        6.45 %  Zn    8.03 % ZnO
   Iron       11.02 %  Fe   13.67 % FeO /  0.56 % Fe2O3
   Silicon     0.40 %  Si    0.85 % SiO2
   Tin        16.73 %  Sn   21.24 % SnO2
   Hydrogen    0.14 %  H     1.27 % H2O
   Oxygen     36.08 %  O
             ______        ______ 
             100.00 %      100.11 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Fe2+2.7Zn1.4Mn2+0.1Sn2Ca0.3Al14.7Si0.2Fe3+0.1O30(OH)2
Help on Environment: Environment: Pegmatitic rocks.
Help on IMA Status: IMA Status: Approved IMA 2002 (Dana # Added)
Help on Locality: Locality: Nigeria, Africa. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after its locality and FERRO (Iron). (S=Spinel, N=Nolanite Layers).
Help on Synonym: Synonym: IMA2001-A
  Nigerite-24R
 

Ferronigerite-6N6S Image

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  Ferronigerite-6N6S

Comments: Brownish ferronigerite-6N6S in matrix.
Location: Rosendal tantalum deposit, Rosendal pegmatite, Kemiö (Kimito) Island, Lansi-Suomen Laani, Finland. Scale: Picture Size 3.5 mm.
© Thomas Witzke / Abraxas-Verlag

Ferronigerite-6N6S Crystallography

Help on Axial Ratios: Axial Ratios: a:c = 1:9.70331
Help on Cell Dimensions: Cell Dimensions: a = 5.73, c = 55.6, Z = 3; V = 1,580.94 Den(Calc)= 4.47
Help on Crystal System: Crystal System: Trigonal - Hexagonal Scalenohedral H-M Symbol (3 2/m) Space Group: R 3m
 

Physical Properties of Ferronigerite-6N6S

Help on Cleavage: Cleavage: None
Help on Color: Color: Brown, Reddish brown.
Help on Density: Density: 4.51
Help on Diaphaneity: Diaphaneity: Opaque
Help on Fracture: Fracture: Hackly - Jagged, torn surfaces, (e.g. fractured metals).
Help on Habit: Habit: Platy - Sheet forms (e.g. micas).
Help on Hardness: Hardness: 8.5 - Chrysoberyl
Help on Luster: Luster: Vitreous - Greasy
Help on Streak: Streak: grayish white
 

Optical Properties of Ferronigerite-6N6S

Help on Optical Data: Optical Data: Uniaxial (?).
  NCalc= 1.85 - from Gladstone-Dale relationship (KC = 0.1894) where Ncalc=Dcalc*KC+1
NCalc= 1.85 - from Gladstone-Dale relationship (KC = 0.1894) where Ncalc=Dmeas*KC+1
 

Calculated Properties of Ferronigerite-6N6S

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=4.25 gm/cc
note: Specific Gravity of Ferronigerite-6N6S =4.47 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.03
Boson Index = 0.97
Help on Photoelectric: Photoelectric: PEFerronigerite-6N6S = 56.09 barns/electron
U=PEFerronigerite-6N6S x rElectron Density= 238.57 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Ferronigerite-6N6S is Not Radioactive
 

Ferronigerite-6N6S Classification

Help on  Dana Class: Dana Class: 07.11.08.02 (07)Multiple Oxides
  (07.11)as titano-oxides with [4] and [6] substitutions
  (07.11.08)Nigerite Group (Sn>Ti)
 
07.11.08.01 Ferronigerite-2N1S (Zn,Mg,Fe)(Sn,Zn)2(Al,Fe)12O22(OH)2 P 3m or P 3m1 3 2/m
 
07.11.08.02 Ferronigerite-6N6S! (Fe,Zn)4Sn2(Al,Fe)15O30(OH)2 R 3m 3 2/m
Help on  Strunz Class: Strunz Class: 04.FC.20 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate
  04.F - Hydroxides (without V or U)
  04.FC -Hydroxides with OH, without H2O; corner-sharing octahedra
 
04.FC.20 Ferronigerite-6N6S! (Fe,Zn)4Sn2(Al,Fe)15O30(OH)2 R 3m 3 2/m
 
04.FC.20 Ferronigerite-2N1S (Zn,Mg,Fe)(Sn,Zn)2(Al,Fe)12O22(OH)2 P 3m or P 3m1 3 2/m
 
04.FC.20 Magnesionigerite-6N6S! (Mg,Zn,Fe,Al)4(Sn,Fe)2Al10O22(OH)2 Unk Trig
 
04.FC.20 Magnesionigerite-2N1S (Mg,Zn,Fe,Al)4(Sn,Fe)2Al10O22(OH)2 P 3m 3 2/m
 

Other Ferronigerite-6N6S Information

Help on References: References: NAME( Duda&Rejl90) PHYS. PROP.(Duda&Rejl90) OPTIC PROP.(AntBidBlaNic3)
Help on See Also: See Also: Links to other databases for Ferronigerite-6N6S :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - MinDAT
7 - Mineralienatlas (Deutsch)
8 - Online Mineral Museum
9 - QUT Mineral Atlas
10 - Ruff.Info

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Print or Cut-and-Paste your Ferronigerite-6N6S Specimen Label here :

Ferronigerite-6N6S

(Fe++,Zn)4Sn2(Al,Fe+++)15O30(OH)2
Dana No: 07.11.08.02 Strunz No: 04.FC.20
Locality:

 

Notes:

 

 
   
 


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