Ilmenorutile Mineral Data (original) (raw)

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. Ilmenorutile (1854) is now regarded as Nb-bearing rutile.

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.

Help on Name Pronunciation: Name Pronunciation:

Ilmenorutile + Pronunciation Say ILMENORUTILE

Ilmenorutile Image

Click Here for Larger Ilmenorutile Image in a New Browser Window Images:

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 Diaphaneity: Diaphaneity:

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:

Bulk Density (Electron Density)=4.70 gm/cc
note: Specific Gravity of Ilmenorutile =5.00 gm/cc.

Help on Fermion Index: Fermion Index:

Fermion Index = 0.04
Boson Index = 0.96

Help on Photoelectric: Photoelectric:

PEIlmenorutile = 38.88 barns/electron
U=PEIlmenorutile x rElectron Density= 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:

04.04.01.02 (04)Simple Oxides

(04.04)with a cation charge of 4+ (A++++ O2)

(04.04.01)Rutile group (Tetragonal: P4/mnm)

04.04.01.01 Rutile TiO2 P 4/mnm 4/m 2/m 2/m

04.04.01.02 Ilmenorutile (Ti,Nb,Fe)O2 P 4/mnm 4/m 2/m 2/m

04.04.01.03 Struverite? (Ti,Ta,Fe)O2 P 4/mnm 4/m 2/m 2/m

04.04.01.04 Pyrolusite MnO2 P 4/mnm 4/m 2/m 2/m

04.04.01.05 Cassiterite SnO2 P 4/mnm 4/m 2/m 2/m

04.04.01.06 Plattnerite PbO2 P 4/mnm 4/m 2/m 2/m

04.04.01.07 Argutite GeO2 P 4/mnm 4/m 2/m 2/m

04.04.01.08 Squawcreekite? (Fe,Sb,W)O4•(H2O) P 4/mnm 4/m 2/m 2/m

04.04.01.09 Stishovite SiO2 P 4/mnm 4/m 2/m 2/m

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 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 - EUROmin Project
6 - Ecole des Mines de Paris
7 - GeoScienceWorld
8 - Google Images
9 - Google Scholar
10 - Handbook of Mineralogy (MinSocAm)
11 - Handbook of Mineralogy (UofA)
12 - MinDAT
13 - Mineralienatlas (Deutsch)
14 - Online Mineral Museum
15 - QUT Mineral Atlas
16 - Ruff.Info

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

Ilmenorutile

(Ti,Nb,Fe+++)O2
Dana No: 04.04.01.02 Strunz No: 04.CB.25
Locality:

Notes: