Ilmenorutile Mineral Data + Say ILMENORUTILE

General Ilmenorutile Information
Help on Chemical Formula: Chemical Formula: (Ti,Nb,Fe+++)O2
Help on Composition: Composition: Molecular Weight = 95.27 gm
   Titanium  35.18 %  Ti   58.69 % TiO2
   Niobium   19.50 %  Nb   27.90 % Nb2O5
   Iron      11.72 %  Fe   15.08 % FeO
   Oxygen    33.59 %  O
            ______        ______ 
            100.00 %      101.68 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ti0.7Nb0.2Fe2+0.2O2
Help on Environment: Environment: Late primary mineral in granite pegmatites, carbonatites, and found in alluvial placers.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1854
Help on Locality: Locality: Miass, Ilmen Mountains, Russia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the occurrence in the Ilmen Mountains and the relation to rutile.
 

Ilmenorutile Image

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Ilmenorutile

Comments: Dark brown ilmenorutile crystal in matrix.
Location: Iveland, Aust-Agder, Norway. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Ilmenorutile Crystallography
Help on Axial Ratios: Axial Ratios: a:c = 1:0.64741
Help on Cell Dimensions: Cell Dimensions: a = 4.606, c = 2.982, Z = 2; V = 63.26 Den(Calc)= 5.00
Help on Crystal System: Crystal System: Tetragonal - Ditetragonal DipyramidalH-M Symbol (4/m 2/m 2/m) Space Group: P 4/mnm
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.23(1), 1.687(0.9), 2.48(0.8),
 

Physical Properties of Ilmenorutile

Help on Cleavage: Cleavage: [110] Distinct, [100] Imperfect
Help on Color: Color: Iron black, Black.
Help on Density: Density: 4.35 - 4.92, Average = 4.63
Help on Diaphaniety: Diaphaniety: Opaque
Help on Fracture: Fracture: Conchoidal - Fractures developed in brittle materials characterized by smoothly curving surfaces, (e.g. quartz).
Help on Habit: Habit: Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline).
Help on Habit: Habit: Striated - Parallel lines on crystal surface or cleavage face.
Help on Hardness: Hardness: 6-6.5 - Orthoclase-Pyrite
Help on Luster: Luster: Sub Metallic
Help on Streak: Streak: reddish brown
 

Optical Properties of Ilmenorutile

Help on Dichroism (e): Dichroism (e): brown.
Help on Dichroism (w): Dichroism (w): dark bluish green.
Help on Optical Data: Optical Data: Uniaxial (-).
  NCalc= 2.67 - from Gladstone-Dale relationship (KC = 0.3338) where Ncalc=Dcalc*KC+1
NCalc= 2.55 - from Gladstone-Dale relationship (KC = 0.3338) where Ncalc=Dmeas*KC+1
Help on RL Anisotrophism: RL Anisotrophism: Strong.
Help on RL Bireflectance: RL Bireflectance: Weak.
Help on RL Color: RL Color: Pale creamy white.
 

Calculated Properties of Ilmenorutile

Help on Electron Density: Electron Density:

relectron=4.70 gm/cc
note: rIlmenorutile =5.00 gm/cc.
Help on Fermion Index Fermion Index Fermion Index = 0.04813
Boson Index = 0.95187
Help on Photoelectric: Photoelectric:

PEIlmenorutile = 38.88 barns/electron
U=PEIlmenorutile x relectron= 182.85 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Ilmenorutile is Not Radioactive
 

Ilmenorutile Classification
Help on Dana Class: Dana Class: 4.4.1.2 (4)Simple Oxides
  (4.4)with a cation charge of 4+ (A++++ O2)
  (4.4.1)Rutile group (Tetragonal: P4/mnm)
 
4.4.1.1 Rutile TiO2 P 4/mnm 4/m 2/m 2/m
 
4.4.1.2 Ilmenorutile (Ti,Nb,Fe)O2 P 4/mnm 4/m 2/m 2/m
 
4.4.1.3 Struverite (Ti,Ta,Fe)O2 P 4/mnm 4/m 2/m 2/m
 
4.4.1.4 Pyrolusite MnO2 P 4/mnm 4/m 2/m 2/m
 
4.4.1.5 Cassiterite SnO2 P 4/mnm 4/m 2/m 2/m
 
4.4.1.6 Plattnerite PbO2 P 4/mnm 4/m 2/m 2/m
 
4.4.1.7 Argutite GeO2 P 4/mnm 4/m 2/m 2/m
 
4.4.1.8 Squawcreekite? (Fe,Sb,W)O4·(H2O) P 4/mnm 4/m 2/m 2/m
 
4.4.1.9 Stishovite SiO2 P 4/mnm 4/m 2/m 2/m
Help on Strunz Class: Strunz Class: IV/D.03-10 IV - Oxides
  IV/D - Oxides with metal : oxygen = 1:2 (MO2 and related compounds)
  IV/D.03 - Rutile group, Ilmenorutile - Strüverite series
 
IV/D.03-10 Ilmenorutile (Ti,Nb,Fe)O2 P 4/mnm 4/m 2/m 2/m
 
IV/D.03-20 Struverite (Ti,Ta,Fe)O2 P 4/mnm 4/m 2/m 2/m
 

Other Ilmenorutile Information
Help on References: References: NAME( AntBidBlaNic3) PHYS. PROP.(AntBidBlaNic3) OPTIC PROP.(AntBidBlaNic3)
Help on See Also: See Also: Links to other databases for Ilmenorutile :
1 - Alkali-Nuts(English) 2 - Alkali-Nuts(Francais) 3 -Am. Min. Crystal Structure Database 4 -Athena 5 - Crocoite.com Mineral Locations 6 - EUROmin Project 7 -Google Images 8 -Google Scholar 9 -Handbook of Mineralogy (UofA) 10 -MinDAT 11 -MinMax(Deutsch) 12 -MinMax(English) 13 -Mineralienatlas (Deutsch) 14 -QUT Mineral Atlas 15 -École des Mines de Paris

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Ilmenorutile

(Ti,Nb,Fe+++)O2
Dana No: 4.4.1.2 Strunz No: IV/D.03-10
Locality:

 

Notes:

 
 
   
 
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