Tivanite Mineral Data

General Tivanite Information

Chemical Formula:

V+++TiO3(OH)

Composition:

Molecular Weight = 163.83 gm

Titanium 29.23 % Ti 48.76 % TiO₂

Vanadium 31.09 % V 45.74 % V₂O₃

Hydrogen 0.62 % H 5.50 % H₂O

Oxygen 39.06 % O

______ ______

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

PDF 35-494

Tivanite Crystallography

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

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 3.88(1), 2.795(0.94), 2.636(0.69),

Physical Properties of Tivanite

Color:

Black.

Density:

4.17

Diaphaneity:

Opaque

Hardness:

5.5 - Knife Blade

Luster:

Sub Metallic

Streak:

black

Optical Properties of Tivanite

Optical Data:

Biaxial (?)

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

RL Anisotrophism:

Weak to moderate, in shades of gray.

RL Color:

Gray.

Reflectivity

**Standardized Intensity (100%) Reflection Spectra of Tivanite in Air**
λ	R	∑ R(λ)
470 nm	16.80
546 nm	17.40
589 nm	17.70

**Calculated Relative Intensity Colors of Tivanite in Air**
Relative Intensity	0%	60%	100%	120%	180%	240%	300%	360%	420%	480%	530%
R

Calculated Properties of Tivanite

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:

PE_Tivanite= 10.87 barns/electron
U=PE_Tivanite x rElectron Density= 42.94 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Tivanite is Not Radioactive

Tivanite Classification

Dana Class:

06.02.08.01 (06)Hydroxides and Oxides Containing Hydroxyl

(06.02)where X++ (OH)2

(06.02.08)Dana Group

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

04.D - Metal:Oxygen = 1:2 and similar

04.DB -With medium-sized cations; chains of edge-sharing octahedra

04.DB.45 Tivanite VTiO3(OH) P 2₁/c 2/m

Other Tivanite Information

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

Search for Tivanite using:

[AOL] [Bing] [Dog Pile] [GeoScienceWorld] [HotBot] [Ixquick] [Lycos] [MAMMA] [Scirus] [Teoma] [WebCrawler] [Wikipedia] [YAHOO]

Visit our Advertisers for Tivanite :

Ask about Tivanite here :
Ask-A-Mineralogist from the Mineralogical Society of America
Mindat.org's Discussion Groups
Original Rockhounds Discussion Group
Rockhounds Discussion Group on Yahoo Groups
Mineral Discussion Forum from Fabre Minerals - also available in Español

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:

Dakota Matrix
Excalibur Minerals
Exceptional Minerals
Hudson Insitute
John Betts Fine Minerals
Mc Dougall Minerals
Mineral News
Rock and Mineral Shows
Weinrich Minerals, Inc.