Pseudorutile Mineral Data

Pseudorutile Mineral Data
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General Pseudorutile Information

Help on Chemical Formula: Chemical Formula: Fe+++2Ti3O9
Help on Composition: Composition: Molecular Weight = 399.33 gm
   Titanium  35.97 %  Ti   60.01 % TiO2
   Iron      27.97 %  Fe   39.99 % Fe2O3
   Oxygen    36.06 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Fe3+2Ti3O9
Help on Environment: Environment: Alteration in ilmenite placers and beach sands.
Help on IMA Status: IMA Status: Approved IMA 1966
Help on Locality: Locality: Common and widespread alteration product of ilmenite. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the composition and as an intermediate product between ilmanite and rutile.
Help on Name Pronunciation: Name Pronunciation: Pseudorutile + Pronunciation Say PSEUDORUTILE
Help on Synonym: Synonym: Arizonite
  ICSD 4131
  Kleberite-(OH)
  PDF 47-1777
 

Pseudorutile Image

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Pseudorutile

Comments: Dark brown grain of hydroxyian pseudorutile (Kleberite), from a heavy mineral concentrate.
Location: Königshain, Mittweida, Saxony, Germany. Scale: Picture size 0.8 mm.
© Thomas Witzke / Abraxas-Verlag

Pseudorutile Crystallography
Help on Axial Ratios: Axial Ratios: a:c = 1:0.32104
Help on Cell Dimensions: Cell Dimensions: a = 14.375, c = 4.615, Z = 5; V = 825.88 Den(Calc)= 4.01
Help on Crystal System: Crystal System: Trigonal - TrapezohedralH-M Symbol (3 2) Space Group: P 322
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 1.686(1), 2.481(0.8), 2.183(0.7),
Click Here for Large Pseudorutile Structure Window Crystal Structure:

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Grey I E , Reid A F , American Mineralogist , 60 (1975) p.898-906, The structure of pseudorutile and its role in the natural alteration of ilmenite

 

Physical Properties of Pseudorutile

Help on Cleavage: Cleavage: None
Help on Color: Color: Black, Brown, Red, Gray.
Help on Density: Density: 3.8
Help on Diaphaneity: Diaphaneity: Opaque
Help on Fracture: Fracture: Conchoidal - Fractures developed in brittle materials characterized by smoothly curving surfaces, (e.g. quartz).
Help on Hardness: Hardness: 3.5 - Copper Penny
Help on Luster: Luster: Sub Metallic
Help on Streak: Streak: reddish brown
 

Optical Properties of Pseudorutile

Help on Optical Data: Optical Data: NCalc= 2.45 - from Gladstone-Dale relationship (KC = 0.3618) where Ncalc=Dcalc*KC+1
NCalc= 2.37 - from Gladstone-Dale relationship (KC = 0.3618) where Ncalc=Dmeas*KC+1
 

Calculated Properties of Pseudorutile

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.82 gm/cc
note: Specific Gravity of Pseudorutile =4.01 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.05
Boson Index = 0.95
Help on Photoelectric: Photoelectric: PEPseudorutile = 14.57 barns/electron
U=PEPseudorutile x rElectron Density= 55.60 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Pseudorutile is Not Radioactive
 

Pseudorutile Classification
Help on Dana Class: Dana Class: 08.04.02.01 (08)Multiple Oxides with Nb, Ta, and Ti
  (08.04)with miscellaneous formulae
  (08.04.02)Dana Group
 
08.04.02.01 Pseudorutile Fe2Ti3O9 P 322 3 2
Help on Strunz Class: Strunz Class: 04.CB.25 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate
  04.C - Metal:Oxygen = 2:3, 3:5, and Similar
  04.CB -With medium-sized cations
 
04.CB.25 Ilmenorutile (Ti,Nb,Fe)O2 P 4/mnm 4/m 2/m 2/m
 
04.CB.25 Pseudorutile Fe2Ti3O9 P 322 3 2
 

Other Pseudorutile Information
Help on References: References: NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Pseudorutile :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - GeoScienceWorld
5 - Google Images
6 - Google Scholar
7 - Handbook of Mineralogy (MinSocAm)
8 - Handbook of Mineralogy (UofA)
9 - MinDAT
10 - Mineralienatlas (Deutsch)
11 - Online Mineral Museum
12 - QUT Mineral Atlas
13 - Ruff.Info

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Ask about Pseudorutile here :
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Print or Cut-and-Paste your Pseudorutile Specimen Label here :

Pseudorutile

Fe+++2Ti3O9
Dana No: 08.04.02.01 Strunz No: 04.CB.25
Locality:

 

Notes: