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Ferrotychite Mineral Data

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General Ferrotychite Information

Help on Chemical  Formula: Chemical Formula: Na6Fe++2(SO4)(CO3)4
Help on Composition: Composition: Molecular Weight = 585.73 gm
   Sodium  23.55 %  Na   31.74 % Na2O
   Iron    19.07 %  Fe   24.53 % FeO
   Carbon   8.20 %  C    30.05 % CO2
   Sulfur   5.47 %  S    13.67 % SO3
   Oxygen  43.70 %  O
          ______        ______ 
          100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Na6Fe2+2(SO4)(CO3)4
Help on Environment: Environment: Constituent of a vein cutting ijolite-urtite in an alkaline igneous complex, from a drill core.
Help on IMA Status: IMA Status: Approved IMA 1981
Help on Locality: Locality: Olenii Ruchei (Reindeer�s Stream), Khibiny massif, Kola Peninsula, Russia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the essential FERROus iron and the relation to tychite.
Help on Name Pronunciation: Name Pronunciation: Ferrotychite + Pronunciation Say FERROTYCHITE
Help on Synonym: Synonym: ICSD 20169
  PDF 35-707
 

Ferrotychite Image

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  Ferrotychite

Comments: Yellow crystalline granular ferrotychite in white analcime (drill core).
Location: Olenii Ruchei, Khibiny Massif, Kola Peninsula, Murmansk District, Russia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Ferrotychite Crystallography

Help on Cell Dimensions: Cell Dimensions: a = 13.962, Z = 8; V = 2,721.72 Den(Calc)= 2.86
Help on Crystal System: Crystal System: Isometric - Diploidal H-M Symbol (2/m 3) Space Group: F d3
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.68(1), 4.18(0.9), 2.47(0.8),
 

Physical Properties of Ferrotychite

Help on Cleavage: Cleavage: None
Help on Color: Color: Colorless, Light yellow.
Help on Density: Density: 2.79
Help on Diaphaneity: Diaphaneity: Transparent
Help on Fracture: Fracture: Conchoidal - Fractures developed in brittle materials characterized by smoothly curving surfaces, (e.g. quartz).
Help on Hardness: Hardness: 4 - Fluorite
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white
 

Optical Properties of Ferrotychite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.016 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= 0.009 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1923,KPDmeas= 0.1971,KC= 0.194
Ncalc = 1.54 - 1.55
Help on Optical Data: Optical Data: Isotropic, n=1.55.
 

Calculated Properties of Ferrotychite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.79 gm/cc
note: Specific Gravity of Ferrotychite =2.86 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0055652783
Boson Index = 0.9944347217
Help on Photoelectric: Photoelectric: PEFerrotychite = 6.48 barns/electron
U=PEFerrotychite x rElectron Density= 18.10 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Ferrotychite is Not Radioactive
 

Ferrotychite Classification

Help on  Dana Class: Dana Class: 17.01.01.02 (17)Compound Carbonates
  (17.01)with miscellaneous formulae
  (17.01.01)Tychite Group
 
17.01.01.01 Tychite Na6Mg2(CO3)4(SO4) F d3 2/m 3
 
17.01.01.02 Ferrotychite Na6Fe2(SO4)(CO3)4 F d3 2/m 3
 
17.01.01.03 Manganotychite Na6(Mn,Fe,Mg)2(SO4)(CO3)4 F d3 2/m 3
Help on  Strunz Class: Strunz Class: 05.BF.05 05 - CARBONATES (NITRATES)
  05.B - Carbonates with additional anions, without H2O
  05.BF -With (Cl), SO4, PO4, TeO3
 
05.BF.05 Ferrotychite Na6Fe2(SO4)(CO3)4 F d3 2/m 3
 
05.BF.05 Manganotychite Na6(Mn,Fe,Mg)2(SO4)(CO3)4 F d3 2/m 3
 
05.BF.05 Northupite Na3Mg(CO3)2Cl F d3 2/m 3
 
05.BF.05 Tychite Na6Mg2(CO3)4(SO4) F d3 2/m 3
 

Other Ferrotychite Information

Help on References: References: NAME( AntBidBlaNic3) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Ferrotychite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info

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Ferrotychite

Na6Fe++2(SO4)(CO3)4
Dana No: 17.01.01.02 Strunz No: 05.BF.05
Locality:

 

Notes:

 

 
   
 


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