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Wadsleyite

Pictures (1 Images total)

Wadsleyit
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1383950575
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Wadsleyit
grau - faserig; Bildbreite : 2 mm; Fundort : Richelsdorfer Hütte, Wildeck - Richelsdorf, Richelsdorfer Gebirge, Hessen, Deutschland.
Copyright: Steinkautz; Contribution: Steinkautz
Collection: Steinkautz
Location: Deutschland/Hessen/Kassel, Bezirk/Hersfeld-Rotenburg, Landkreis/Richelsdorfer Gebirge/Verhüttungsplätze/Richelsdorfer Hütte
Mineral: Wadsleyite
Image: 1383950575
License: Usage for Mineralienatlas project only
Wadsleyit

grau - faserig; Bildbreite : 2 mm; Fundort : Richelsdorfer Hütte, Wildeck - Richelsdorf, Richelsdorfer Gebirge, Hessen, Deutschland.
Collection: Steinkautz
Copyright: Steinkautz
Contribution: Steinkautz 2013-11-08
Locality: Richelsdorfer Hütte / Verhüttungsplätze / Richelsdorfer Gebirge / Hersfeld-Rotenburg, Landkreis / Kassel, Bezirk / Hessen / Deutschland

Collectors Summary

Color hellgrau
Crystal System orthorhombisch, Imma

Chemism

Chemical formula

(Mg,Fe2+)2SiO4

Chemical composition

Eisen, Magnesium, Silicium, Sauerstoff

Unit weight: 156.46344 u; Number of atoms in the formula: 7

Info

Empirical formula:

(Mg0.75Fe0.25)2SiO4

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Oxygen

O

40.90

4

57.14

15.9994300

63.9977200
Magnesium

Mg

23.30

1.5

21.43

24.3050600

36.4575900
Silicon

Si

17.95

1

14.29

28.0855300

28.0855300
Iron

Fe

17.85

0.5

7.14

55.8452000

27.9226000

Analysis wt%

Ø SiO2 : 38.70, MgO : 38.21, FeO : 22.37, MnO : 0.43 (Ref: Canadian Mineralogist 93)

Strunz 9th edition incl. updates

9.BE.02

9: Silikate (Germanate)
B: Gruppensilikate (Sorosilikate)
E: Si2O7 Gruppen mit zusätzlichen Anionen; Kationen in oktahedraler [6] und größerer Koordination
02:

Lapis Classification

VIII/A.06-010

VIII: SILIKATE
A: Inselsilikate mit [SiO4] 4--Baugruppen
6: Kationen in oktaedrischer Koordination [6]

Classification by Hölzel

9.AB.260

9: SILICATES
A: Nesosilicates
B: Olivine-Group

Dana 8th edition

51.03.04.01

51: Nesosilicate Minerals
03: Nesosilicates Nesosilicate Insular SiO4 Groups Only with all cations in octahedral [6] coordination

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

Optical Properties

Color

hellgrau

max. Birefringence

nicht wahrnehmbar

RI value α / ω / n

1.76

RI value β

1.76

RI value γ / ε

1.76

Ri mean

1.76

2V angle

Biaxial (-) nd

Crystallography

Crystal System

orthorhombisch

Class (H-M)

mmm

Space Group number

74

Space Group

Imma

Cell parameters a (Å)

5.70

Cell parameters b (Å)

11.51

Cell parameters c (Å)

8.24

Cell parameters a/b or c/a

0.495

Cell parameters c/b

0.716

Cell parameters α

90°

Cell parameters β

90°

Cell parameters γ

90°

Z

8

Volume (ų)

540.602

X-Ray Powder Diffraction

2.886(50),
2.691(40),
2.637(30),
2.452(100),
2.038(80),
1.567(30),
1.552(30),
1.442(80)
XRD chart Wadsleyite

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

Crystals 3D

Open larger view

Crystal Structure 3D

Open larger view

Physical Properties

Density (g/cm³)

3.84

3.845 ( ρ calc. Mineralienatlas )

(Co-)Type locality

(Co-)Type locality

Kanada/Alberta/Peace River, Gemeinde/Peace River Meteorit

Preface

Author (Name, Year)

Price & Putnis & Agrell & Smith, 1983

Additional Information

Li Zhang, Joseph R. Smyth, Julien Allaz, Takaaki Kawazoe, Steven D. Jacobsen, and Zhenmin Jin: Transition metals in the transition zone: Crystal chemistry of minor element substitution in wadsleyite. American Mineralogist Vol. 101 (2016) S. 2322-2330.

References

Canadian Mineralogist 21 (1983), 29

Other languages

German

Wadsleyit

Spanish

Wadsleyita

English

Wadsleyite

French

Wadsleyite

Russian

Уэдслиит

CNMNC (IMA)-Number

IMA 1982-012

CNMNC symbol

Symbol

Wds

Locations with GPS information

IDs

GUSID (Global unique identifier short form) AqeMhj29uEynevDoOdxEdw
GUID (Global unique identifier) 868CA702-BD3D-4CB8-A77A-F0E839DC4477
Database ID 4106