Mineralogy Database

Rutile Mineral Data

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General Rutile Information

Help on Chemical  Formula: Chemical Formula: TiO2
Help on Composition: Composition: Molecular Weight = 79.88 gm
   Titanium  59.94 %  Ti  100.00 % TiO2
   Oxygen    40.06 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: TiO2
Help on Environment: Environment: High pressure and temperature accessory mineral in ignous rocks. Common detrital mineral.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1803
Help on Locality: Locality: Binnental and Campolungo, Switzerland. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: From the Latin, rutilus - "reddish."
Help on Name Pronunciation: Name Pronunciation: Rutile Say RUTILE
Help on Synonym: Synonym: ICSD 62677
  Ilmenorutile - Nb-bearing rutile
  PDF 16-934
  Sagenite - reticulated
  Struverite - Ta-bearing rutile

Rutile Image

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  Rutile   Pyrophyllite

Comments: Rutile on fine-grained pyrophyllite.
Location: Graves Mt. Georgia, USA. Scale: 4.5 x 5 cm.
© Fabre Minerals

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  Rutile   Hematite

Comments: Acicular, golden yellow crystals of rutile epitaxially overgrown on black crystals of hematite. The overgrowths are perpendicular to the trigonal crystallography of the hematite.
Location: Novo Horizonte, Bahia Brazil. Scale: 4 x 3.5 x 3 cm.
© Fabre Minerals

Rutile Crystallography

Help on Axial Ratios: Axial Ratios: a:c = 1:0.64388
Help on Cell Dimensions: Cell Dimensions: a = 4.594, c = 2.958, Z = 2; V = 62.43 Den(Calc)= 4.25
Help on Crystal System: Crystal System: Tetragonal - Ditetragonal Dipyramidal H-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): 3.245(1), 1.687(0.5), 2.489(0.41),
Help on Forms: Forms:

Dbl Clk - Start-Stop Rotation
RMB - Cycle Display Modes
Drag1 - Manipulate Crystal
Drag2 - Resize

S - Stereo
I - Indicies
<space> - Start-Stop Rotation
F - Fit to Screen
M - Menu

Help on Above

Forms: ( 1 0 1) ( 1 0 0) ( 1 1 0)

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Physical Properties of Rutile

Help on Cleavage: Cleavage: {110} Distinct
Help on Color: Color: Blood red, Bluish, Brownish yellow, Brown red, Violet.
Help on Density: Density: 4.25
Help on Diaphaneity: Diaphaneity: Transparent to translucent to opaque
Help on Fracture: Fracture: Uneven - Flat surfaces (not cleavage) fractured in an uneven pattern.
Help on Habit: Habit: Acicular - Occurs as needle-like crystals.
Help on Habit: Habit: Massive - Granular - Common texture observed in granite and other igneous rock.
Help on Habit: Habit: Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline).
Help on Hardness: Hardness: 6-6.5 - Orthoclase-Pyrite
Help on Luminescence: Luminescence: Non-fluorescent.
Help on Luster: Luster: Adamantine
Help on Streak: Streak: grayish black

Optical Properties of Rutile

Help on Dichroism (e): Dichroism (e): red or yellow.
Help on Dichroism (w): Dichroism (w): brown or green.
Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.053 (Good) - where the CI = (1-KPDmeas/KC)
CI calc= -0.053 (Good) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.4137,KPDmeas= 0.4137,KC= 0.393
Ncalc = 2.67
Help on Optical Data: Optical Data: Uniaxial (+), w=2.605-2.621, e=2.899-2.908, bire=0.2870-0.2940.
Help on RL Anisotrophism: RL Anisotrophism: Strong.
Help on RL Color: RL Color: Gray with bluish tint.
Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Rutile in Air
λ R1 R2  ∑ R1(λ)   ∑ R2(λ) 
 400 nm   23.70   27.00 
 420 nm   23.20   26.50 
 440 nm   22.70   26.00 
 460 nm   22.20   25.50 
 480 nm   21.70   25.10 
 500 nm   21.30   24.70 
 520 nm   20.90   24.30 
 540 nm   20.60   24.00 
 560 nm   20.20   23.60 
 580 nm   20.00   23.40 
 600 nm   19.70   23.10 
 620 nm   19.50   22.90 
 640 nm   19.20   22.80 
 660 nm   19.10   22.60 
 680 nm   19.00   22.50 
 700 nm   18.90   22.50 
Calculated Relative Intensity Colors of Rutile in Air
   0%   50% 100% 150% 200% 250% 300% 350% 400% 440%

Calculated Properties of Rutile

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=4.04 gm/cc
note: Specific Gravity of Rutile =4.25 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.07
Boson Index = 0.93
Help on Photoelectric: Photoelectric: PERutile = 10.03 barns/electron
U=PERutile x rElectron Density= 40.58 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Rutile is Not Radioactive

Rutile Classification

Help on  Dana Class: Dana Class: (04)Simple Oxides
  (04.04)with a cation charge of 4+ (A++++ O2)
  (04.04.01)Rutile group (Tetragonal: P4/mnm) Rutile TiO2 P 4/mnm 4/m 2/m 2/m Ilmenorutile (Ti,Nb,Fe)O2 P 4/mnm 4/m 2/m 2/m Struverite? (Ti,Ta,Fe)O2 P 4/mnm 4/m 2/m 2/m Pyrolusite MnO2 P 4/mnm 4/m 2/m 2/m Cassiterite SnO2 P 4/mnm 4/m 2/m 2/m Plattnerite PbO2 P 4/mnm 4/m 2/m 2/m Argutite GeO2 P 4/mnm 4/m 2/m 2/m Squawcreekite? (Fe,Sb,W)O4•(H2O) P 4/mnm 4/m 2/m 2/m Stishovite SiO2 P 4/mnm 4/m 2/m 2/m
Help on  Strunz Class: Strunz Class: 04.DB.05 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate
  04.D - Metal:Oxygen = 1:2 and similar
  04.DB -With medium-sized cations; chains of edge-sharing octahedra
04.DB.05 Argutite GeO2 P 4/mnm 4/m 2/m 2/m
04.DB.05 Cassiterite SnO2 P 4/mnm 4/m 2/m 2/m
04.DB.05 Rutile TiO2 P 4/mnm 4/m 2/m 2/m
04.DB.05 Pyrolusite MnO2 P 4/mnm 4/m 2/m 2/m
04.DB.05 Plattnerite PbO2 P 4/mnm 4/m 2/m 2/m
04.DB.05 Varlamoffite* (Sn,Fe)(O,OH)2 P 41/mnm 4/m 2/m 2/m
04.DB.05 Squawcreekite? (Fe,Sb,W)O4•(H2O) P 4/mnm 4/m 2/m 2/m
04.DB.05 Tugarinovite MoO2 P 21/n 2/m
04.DB.05 Tripuhyite FeSbO4 P 41/mnm 4/m 2/m 2/m

Other Rutile Information

Help on References: References: NAME( Duda&Rejl90) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic3)
Help on See Also: See Also: Links to other databases for Rutile :
1 - Alkali-Nuts(English)
2 - Alkali-Nuts(Francais)
3 - Am. Min. Crystal Structure Database
4 - Amethyst Galleries' Mineral Gallery
5 - Athena
6 - CalTech Mineral Spectroscopy
7 - EUROmin Project
8 - Ecole des Mines de Paris
9 - Franklin Minerals(Dunn)
10 - Franklin Minerals(Palache)
11 - GeoScienceWorld
12 - Glendale Community College
13 - Google Images
14 - Google Scholar
15 - Handbook of Mineralogy (MinSocAm)
16 - Handbook of Mineralogy (UofA)
17 - HyperPhysics
18 - MinDAT
19 - Mineralienatlas (Deutsch)
20 - Online Mineral Museum
21 - Philatelic Mineralogy
22 - QUT Mineral Atlas
23 - Ruff.Info
24 - Scandinavian mineral gallery
25 - Tradeshop.com - The Rainbow of Gems
26 - UCLA - Petrography Thin-Sections
27 - University of Colorado - Mineral Structure Data
28 - University of Colorado - Mineral Structure Data
30 - YupRocks
31 - theimage

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Dana No: Strunz No: 04.DB.05





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