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Permanganogrunerite

Collectors Summary

Crystal System monoklin, C2/m

Chemism

Chemical formula

☐Mn2+4(Fe,Mg)3Si8O22(OH)2

Chemical composition

Eisen, Magnesium, Mangan, Silicium, Sauerstoff, Wasserstoff, Vakanz

Unit weight: 974.31914861 u; Number of atoms in the formula: 42

Info

Empirical formula:

VcMn4(Fe0.75Mg0.25)3Si8O22(OH)2

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Vacancy

Vc

0.00

1

2.38

0.0000000

0.0000000

Hydrogen

H

0.21

2

4.76

1.0079470

2.0158940

Oxygen

O

39.41

24

57.14

15.9994300

383.9863200

Magnesium

Mg

1.87

0.75

1.79

24.3050600

18.2287950

Silicon

Si

23.06

8

19.05

28.0855300

224.6842400

Manganese

Mn

22.55

4

9.52

54.9380499

219.7521996

Iron

Fe

12.90

2.25

5.36

55.8452000

125.6517000

Analysis wt%

SiO2 : 48.17, FeO : 21.60, MnO : 28.43, H2O : 1.81 (Ref: berechnet)

Strunz 9th edition incl. updates

9.DE.05

9: Silikate (Germanate)
D: Ketten- und Bandsilikate (Inosilikate)
E: Ketten- und Bandsilikate mit 2-periodischen Doppelketten, Si4O11; Amphibol-Familie, Klinoamphibole
05:Anthophyllit (Ath) Amphibole

Classification by Hölzel

9.DG.190

9: SILICATES
D: Inosilicates; ~[Si2O6]4--...2-Chain
G: Amphiboles; Monoclinic Amphiboles
1: Cummingtonite-Grünerite-Group

Dana 8th edition

66.01.01.03b

66: Inosilicates Inosilicate Double-Width Unbranched Chains, W=2
01: Inosilicates Inosilicate Double-Width Unbranched Chains, W=2 with P=2 amphibole configuration
01: Group 1, the Mg-Fe-Mn-Li amphiboles (Monoclinic)

IMA status

Theortisches Mitglied der Mg-Fe-Mn-Li Clino-Amphibole, Untergruppe der Amphibol Gruppe. Name und mögliche Zusammensetzung von der IMA anerkannt, Mineral in der Natur aber noch nicht gefunden.

Crystallography

Crystal System

monoklin

Class (H-M)

2/m

Space Group number

12

Space Group

C2/m

Cell parameters α

90°

Cell parameters γ

90°

Preface

Author (Name, Year)

Leake et al., 1997

References

Hawthorne, Frank C., and Roberta Oberti (2006), Über die Klassifizierung der Amphibole: Canadian Mineralogist: 44(1): 1-21.

Other languages

German

Permanganogrunerit

Spanish

Permanganogrunerita

French

Permanganogrunerite

English

Permanganogrunerite

IDs

GUSID (Global unique identifier short form) TMP5_H9r8UyQ3u84YQphlA
GUID (Global unique identifier) FCF9C34C-6B7F-4CF1-90DE-EF38610A6194
Database ID 2998