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Tivanite Mineral Data
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General Tivanite Information
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Chemical Formula: |
V+++TiO3(OH) |
Composition: |
Molecular Weight = 163.83 gm |
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Titanium 29.23 % Ti 48.76 % TiO2 |
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Vanadium 31.09 % V 45.74 % V2O3 |
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Hydrogen 0.62 % H 5.50 % H2O |
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Oxygen 39.06 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
Empirical Formula: |
V3+TiO3(OH) |
Environment: |
As a grain in micaceous V-Au-rich stringers in a hydrothermal gold deposit. |
IMA Status: |
Approved IMA 1981 |
Locality: |
Lake View mine, Kalgoorlie, Western Australia, Australia. Link to MinDat.org Location Data. |
Name Origin: |
Named for the TItanium and VANadium in the composition. |
Name Pronunciation: |
Tivanite |
Synonym: |
ICSD 100875 |
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PDF 35-494 |
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Tivanite Crystallography
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Axial Ratios: |
a:b:c =1.6463:1:2.1979 |
Cell Dimensions: |
a = 7.494, b = 4.552, c = 10.005, Z = 4; beta = 129.79° V = 262.25 Den(Calc)= 4.15 |
Crystal System: |
Monoclinic - Prismatic H-M Symbol (2/m) Space Group: P 21/c |
X Ray Diffraction: |
By Intensity(I/Io): 3.88(1), 2.795(0.94), 2.636(0.69), |
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Physical Properties of Tivanite
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Color: |
Black. |
Density: |
4.17 |
Diaphaneity: |
Opaque |
Hardness: |
5.5 - Knife Blade |
Luster: |
Sub Metallic |
Streak: |
black |
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Optical Properties of Tivanite
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Optical Data: |
Biaxial (?) |
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NCalc= 2.4 - from Gladstone-Dale relationship (KC = 0.3379) where Ncalc=Dcalc*KC+1 NCalc= 2.41 - from Gladstone-Dale relationship (KC = 0.3379) where Ncalc=Dmeas*KC+1
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RL Anisotrophism: |
Weak to moderate, in shades of gray. |
RL Color: |
Gray. |
Reflectivity |
Standardized Intensity (100%) Reflection Spectra of Tivanite in Air
λ |
R |
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∑ R(λ) |
470 nm |
16.80 |
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546 nm |
17.40 |
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589 nm |
17.70 |
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Calculated Relative Intensity Colors of Tivanite in Air
Relative Intensity |
0% |
60% |
100% |
120% |
180% |
240% |
300% |
360% |
420% |
480% |
530% |
R |
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Calculated Properties of Tivanite
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Electron Density: |
Bulk Density (Electron Density)=3.95 gm/cc note: Specific Gravity of Tivanite =4.15 gm/cc. |
Fermion Index: |
Fermion Index = 0.03 Boson Index = 0.97 |
Photoelectric: |
PETivanite = 10.87 barns/electron U=PETivanite x rElectron Density= 42.94 barns/cc. |
Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Tivanite is Not Radioactive |
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Tivanite Classification
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Dana Class: |
06.02.08.01 (06)Hydroxides and Oxides Containing Hydroxyl |
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(06.02)where X++ (OH)2 |
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(06.02.08)Dana Group |
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06.02.08.01 Tivanite VTiO3(OH) P 21/c 2/m |
Strunz Class: |
04.DB.45 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate |
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04.D - Metal:Oxygen = 1:2 and similar |
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04.DB -With medium-sized cations; chains of edge-sharing octahedra |
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04.DB.45 Tivanite VTiO3(OH) P 21/c 2/m |
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Other Tivanite Information
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References: |
NAME( AntBidBlaNic3) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic3) |
See Also: |
Links to other databases for Tivanite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info
15 - WWW-MINCRYST
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Print or Cut-and-Paste your Tivanite Specimen Label here :
Tivanite
V+++TiO3(OH)
Dana No: 06.02.08.01 Strunz No: 04.DB.45
Locality:
Notes:
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