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Tivanite

Collectors Summary

Color schwarz-met.
Streak color schwarz
Hardness (Mohs) 5.5
Crystal System monoklin, P21/c

Chemism

Chemical formula

V3+TiO3(OH)

Chemical composition

Titan, Sauerstoff, Vanadium, Wasserstoff

Unit weight: 163.814277 u; Number of atoms in the formula: 7

Info

Empirical formula:

VTiO3(OH)

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

0.62

1

14.29

1.0079470

1.0079470

Oxygen

O

39.07

4

57.14

15.9994300

63.9977200

Titanium

Ti

29.22

1

14.29

47.8671000

47.8671000

Vanadium

V

31.10

1

14.29

50.9415100

50.9415100

Analysis wt%

V2O3 : 51.30, TiO2 : 42.54, H2O : 6.17 (Ref: berechnet)

Strunz 9th edition incl. updates

4.DB.45

4: Oxide, Hydroxide (Oxide, Hydroxide, V[5,6]-Vanadate, Arsenite, Antimonite, Bismutite, Sulfite, Selenite, Tellurite, Iodate)
D: Metall: Sauerstoff = 1:2 und vergleichbare
B: Mit mittelgroßen [Kationen]: Ketten kantenverknüpfter Oktaeder
45:Tivanit-Gruppe

Lapis Classification

IV/F.08-010

IV: OXIDE
F: Hydroxide und oxidische Hydrate (wasserhaltige Oxide mit Schichtstruktur)

Classification by Hölzel

4.FC.770

4: OXIDES
F: Hydroxides and Hydrates (without V and U)
C: Oxihydroxides
7: Akaganeite-Group

Dana 8th edition

06.02.08.01

06: Hydroxides and Oxides Containing Hydroxyl
02: Hydroxides and Oxides Containing Hydroxyl where X++ (OH)2

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

Optical Properties

Color

schwarz-met.

Streak color

schwarz

Crystallography

Crystal System

monoklin

Class (H-M)

2/m

Space Group number

14

Space Group

P21/c

Cell parameters a (Å)

7.494

Cell parameters b (Å)

4.552

Cell parameters c (Å)

10.005

Cell parameters a/b or c/a

1.646

Cell parameters c/b

2.198

Cell parameters α

90°

Cell parameters β

129.78

Cell parameters γ

90°

Z

4

Volumne (ų)

262.289

X-Ray Powder Diffraction

3.917(20),
3.880(100),
2.795(90),
2.636(70),
2.535(20),
1.693(30),
1.683(30),
1.670(20)

XRD chart Tivanite

Calculated from d-spacing and intensity at 0.1541838 nm (Cu)

Crystal Structure 3D

Open larger view

Physical Properties

Hardness (Mohs)

5.5

VHN (Hardness Vickers)

650 (50g)

Density (g/cm³)

4.17 (berechnet)

4.148 ( ρ calc. Mineralienatlas )

Preface

Author (Name, Year)

Grey & Nickel, 1981

References

American Mineralogist 66 (1981), 866

Other languages

German

Tivanit

Spanish

Tivanita

French

Tivanite

English

Tivanite

Russian

Тиванит

Japanese

チバナイト

CNMNC (IMA)-Number

IMA 1980-035

CNMNC symbol

Symbol

Tiv

Locations with GPS information