[On-Line Catalogue] [On-Line Auctions] [eBay] [Contact Us] [Policies] We specialize in fine European and Asian Mineral Specimens Heliodor is based in Prague, Czech Republic General Ilmenorutile Information(Ti,Nb,Fe+++)O2 |
Molecular Weight = 95.27 gm |
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Titanium 35.18 % Ti 58.69 % TiO2 |
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Niobium 19.50 % Nb 27.90 % Nb2O5 |
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Iron 11.72 % Fe 15.08 % FeO |
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Oxygen 33.59 % O |
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100.00 % 101.68 % = TOTAL OXIDE |
Ti0.7Nb0.2Fe2+0.2O2 |
Late primary mineral in granite pegmatites, carbonatites, and found in alluvial placers. Ilmenorutile (1854) is now regarded as Nb-bearing rutile. |
Valid Species (Pre-IMA) 1854 |
Miass, Ilmen Mountains, Russia. Link to MinDat.org Location Data. |
Named for the occurrence in the Ilmen Mountains and the relation to rutile. |
Ilmenorutile + Pronunciation |
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Ilmenorutile Crystallographya:c = 1:0.64741 |
a = 4.606, c = 2.982, Z = 2; V = 63.26 Den(Calc)= 5.00 |
Tetragonal - Ditetragonal DipyramidalH-M Symbol (4/m 2/m 2/m) Space Group: P 4/mnm |
By Intensity(I/Io): 3.23(1), 1.687(0.9), 2.48(0.8), |
| Physical Properties of Ilmenorutile{110} Distinct, {100} Imperfect |
Iron black, Black. |
4.35 - 4.92, Average = 4.63 |
Opaque |
Conchoidal - Fractures developed in brittle materials characterized by smoothly curving surfaces, (e.g. quartz). |
Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline). |
Striated - Parallel lines on crystal surface or cleavage face. |
6-6.5 - Orthoclase-Pyrite |
Sub Metallic |
reddish brown |
| Optical Properties of Ilmenorutilebrown. |
dark bluish green. |
Uniaxial (-). |
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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 Strong. |
Weak. |
Pale creamy white. |
| Calculated Properties of IlmenorutileBulk Density (Electron Density)=4.70 gm/cc |
note: Specific Gravity of Ilmenorutile =5.00 gm/cc. Fermion Index = 0.04 |
Boson Index = 0.96 PEIlmenorutile = 38.88 barns/electron |
U=PEIlmenorutile x rElectron Density= 182.85 barns/cc. GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Ilmenorutile is Not Radioactive | Ilmenorutile Classification04.04.01.02 (04)Simple Oxides |
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(04.04)with a cation charge of 4+ (A++++ O2) |
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(04.04.01)Rutile group (Tetragonal: P4/mnm) |
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04.CB.25 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate |
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04.C - Metal:Oxygen = 2:3, 3:5, and Similar |
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04.CB -With medium-sized cations |
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| Other Ilmenorutile InformationNAME( AntBidBlaNic3) PHYS. PROP.(AntBidBlaNic3) OPTIC PROP.(AntBidBlaNic3) |
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 - Google Images 8 - Google Scholar 9 - Handbook of Mineralogy (MinSocAm) 10 - Handbook of Mineralogy (UofA) 11 - MinDAT 12 - MinMax(Deutsch) 13 - MinMax(English) 14 - Mineralienatlas (Deutsch) 15 - QUT Mineral Atlas 16 - Ruff.Info Search for Ilmenorutile using: Visit our Advertisers for Ilmenorutile : AA Mineral SpecimensB & L Fine Minerals Crystalarium.com Dan Weinrich Fine Minerals Dan Weinrich Auctions Dakota Matrix Desert Winds Gems and Minerals Excalibur Minerals Exceptional Minerals Fabre Minerals Heliodor John Betts Fine Minerals Mason's Minerals Mineral News Mineral of the Month Club Wrights Rock Shop Translate Ilmenorutile Mineral Data : Ask about Ilmenorutile here : Print or Cut-and-Paste your Ilmenorutile Specimen Label here :
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