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Titanowodginite (Titanowodginit)

Pictures (2 Images total)

Titanowodginit
Views (File:
1245041719
): 1552
Titanowodginit
Bildbreite: 26 mm; Fundort: Tanco-Pegmatit, Bernic-See, Lac-du-Bonnet-Gebiet, Manitoba, Kanada
Copyright: Pavel M. Kartashov; Contribution: slugslayer
Location: Kanada/Manitoba/Lac-du-Bonnet-Gebiet/Bernic-See/Tanco-Pegmatit
Mineral: Titanowodginite
Image: 1245041719
Rating: 7 (votes: 1)
License: Usage for Mineralienatlas project only
Titanowodginit

Bildbreite: 26 mm; Fundort: Tanco-Pegmatit, Bernic-See, Lac-du-Bonnet-Gebiet, Manitoba, Kanada

Copyright: Pavel M. Kartashov
Contribution: slugslayer 2009-06-15
Locality: Tanco-Pegmatit / Bernic-See / Lac-du-Bonnet-Gebiet / Manitoba / Kanada
Titanowodginit
Views (File:
1292409794
): 837
Titanowodginit
Kristallgröße: 17 mm; Fundort: Tanco-Pegmatit, Bernic-See, Lac-du-Bonnet-Gebiet, Manitoba, Kanada; Eigenfund 2007
Copyright: David K. Joyce; Contribution: slugslayer
Location: Kanada/Manitoba/Lac-du-Bonnet-Gebiet/Bernic-See/Tanco-Pegmatit
Mineral: Titanowodginite
Image: 1292409794
Rating: 7 (votes: 1)
License: Usage for Mineralienatlas project only
Titanowodginit

Kristallgröße: 17 mm; Fundort: Tanco-Pegmatit, Bernic-See, Lac-du-Bonnet-Gebiet, Manitoba, Kanada; Eigenfund 2007

Copyright: David K. Joyce
Contribution: slugslayer 2010-12-15
Locality: Tanco-Pegmatit / Bernic-See / Lac-du-Bonnet-Gebiet / Manitoba / Kanada

Collectors Summary

Color dunkelbraun, schwarz
Streak color dunkelbraun
Hardness (Mohs) 5.5
Cleavages nicht prominent
Fracture unregelmäßig
Crystal System monoklin, C2/c

Chemism

Chemical formula

(Mn2+,Fe2+)(Ti,Sn,Ta,Sc)(Ta,Nb)2O8

Chemical composition

Eisen, Mangan, Niob, Scandium, Tantal, Titan, Zinn, Sauerstoff

Unit weight: 583.318034965 u; Number of atoms in the formula: 12

Info

Empirical formula:

(Mn0.75Fe0.25)(Ti0.55Sn0.3Ta0.1Sc0.05)(Ta0.75Nb0.25)2O8

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Oxygen

O

21.94

8

66.67

15.9994300

127.9954400

Scandium

Sc

0.39

0.05

0.42

44.9559108

2.2477955

Titanium

Ti

4.51

0.55

4.58

47.8671000

26.3269050

Manganese

Mn

7.06

0.75

6.25

54.9380499

41.2035374

Iron

Fe

2.39

0.25

2.08

55.8452000

13.9613000

Niobium

Nb

7.96

0.5

4.17

92.9063820

46.4531910

Tin

Sn

6.11

0.3

2.50

118.7107000

35.6132100

Tantalum

Ta

49.63

1.6

13.33

180.9479100

289.5166560

Analysis wt%

MnO : 9.00, FeO : 3.10, TiO2 : 9.20, SnO2 : 7.40, Nb2O5 : 11.10, Ta2O5 : 59.90 (Ref: Canadian Mineralogist 92)

Strunz 9th edition incl. updates

4.DB.40

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
40:Wodginit-Gruppe

Lapis Classification

IV/D.17-040

IV: OXIDE
D: Oxide mit Verhältnis Metall : Sauerstoff = 1:2 (MO2 und verwandte Verbindungen)

Classification by Hölzel

4.DH.280

4: OXIDES
D: Dioxides
H: Wolframite-Group

Dana 8th edition

08.01.08.03

08: Multiple Oxides with Nb, Ta, and Ti
01: Multiple Oxides with Nb, Ta, and Ti where A BO4
08: Wodginite Group

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

Columbite supergroup  ⇒ Wodginite group

Optical Properties

Color

dunkelbraun, schwarz

Streak color

dunkelbraun

Diaphaneity (Transparency)

transparent bis durchscheinend

RI value α / ω / n

2.32GlD

RI value β

2.>

RI value γ / ε

2.>

Ri mean

2.320

2V angle

Biaxial (+) nd

Crystallography

Crystal System

monoklin

Class (H-M)

2/m

Space Group number

15

Space Group

C2/c

Cell parameters a (Å)

9.466

Cell parameters b (Å)

11.431

Cell parameters c (Å)

5.126

Cell parameters a/b or c/a

0.828

Cell parameters c/b

0.448

Cell parameters α

90°

Cell parameters β

90.32

Cell parameters γ

90°

Z

4

Volume (ų)

554.655

X-Ray Powder Diffraction

3.644(50),
2.976(100),
2.966(90),
2.495(40),
1.767(20),
1.720(20),
1.715(20),
1.455(20)

XRD chart Titanowodginite

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

Crystals 3D

Open larger view

Physical Properties

Hardness (Mohs)

5.5

VHN (Hardness Vickers)

530 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

6.86

6.985 ( ρ calc. Mineralienatlas )

Cleavages

nicht prominent

Fracture

unregelmäßig

Tenacity

spröde

Preface

Author (Name, Year)

Ercit & Cerny & Hawthorne, 1992

References

Canadian Mineralogist 30 (1992), 633

IMA group assignments

Other languages

German

Titanowodginit

Spanish

Titanowodginita

French

Titanowodginite

English

Titanowodginite

Russian

Титановоджинит

Simplified Chinese

钛锰钽矿

Japanese

チタノウッジーナ鉱

CNMNC (IMA)-Number

IMA 1984-008

CNMNC symbol

Symbol

Twdg

Locations with GPS information

IDs

GUSID (Global unique identifier short form) 7jZ8mlVd3Eao0rd-EAREKA
GUID (Global unique identifier) 9A7C36EE-5D55-46DC-A8D2-B77E10044428
Database ID 3861