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Vargite (Варгит)

Collectors Summary

Crystal System monoklin, P21/c

Chemism

Chemical formula

Cu2Mn3(AsO4)2(OH)4(H2O)4

Chemical composition

Arsen, Kupfer, Mangan, Sauerstoff, Wasserstoff

Unit weight: 709.8361977 u; Number of atoms in the formula: 35

Info

Empirical formula:

Cu2Mn3(AsO4)2(OH)4(H2O)4

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

1.70

12

34.29

1.0079470

12.0953640

Oxygen

O

36.06

16

45.71

15.9994300

255.9908800

Manganese

Mn

23.22

3

8.57

54.9380499

164.8141497

Copper

Cu

17.90

2

5.71

63.5463000

127.0926000

Arsenic

As

21.11

2

5.71

74.9216020

149.8432040

IMA status

anerkannt - CNMNC Newsletter 58, Oktober-November (2020)

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

Akrochordite group

Crystallography

Crystal System

monoklin

Class (H-M)

2/m

Space Group number

14

Space Group

P21/c

Cell parameters a (Å)

5.625(1)

Cell parameters b (Å)

17.452(5)

Cell parameters c (Å)

6.905(2)

Cell parameters a/b or c/a

0.322

Cell parameters c/b

0.396

Cell parameters α

90°

Cell parameters β

100.21(5)°

Cell parameters γ

90°

Volume (ų)

667.113

Crystal structure

Das Mn Analog von Guanacoit; Struktur ermittelt

X-Ray Powder Diffraction

8.726(100), 4.558(20), 4.419(50), 4.363(46), 3.106(33), 2.774(35), 2.691(28), 2.345 (25)

(Co-)Type locality

(Co-)Type locality

Schweden/Värmland, Provinz/Filipstad, Gemeinde/Långban, Distrikt/Långban Fe-Mn-(Ba-As-Pb-Sb) Lagerstätte

Type material

Typisches Material ist in den mineralogischen Sammlungen der Abteilung für Geowissenschaften, Schwedisches Museum für Naturgeschichte, Box 50007, SE-10405 Stockholm, Schweden, Sammlungsnummer GEO-NRM 19370307, hinterlegt

Preface

Author (Name, Year)

Jörgen Langhof, Luca Bindi, Andreas Karlsson, Dan Holtstam, und Erik Jonsson (2020)

References

Langhof, J., Bindi, L., Karlsson, A., Holtstam, D., and Jonsson, E.: Vargite, IMA 2020-051, in: CNMNC Newsletter 58, Eur. J. Mineral., 32, https://doi.org/10.5194/ejm-32-645-2020, 2020.

IMA group assignments

Other languages

German

Vargit

English

Vargite

English

Варгит

CNMNC (IMA)-Number

IMA 2020-051

CNMNC symbol

Symbol

Vg

Locations with GPS information

IDs

GUSID (Global unique identifier short form) b-SK147ZaEKEP6vG21Ycog
GUID (Global unique identifier) D78AE46F-D98E-4268-843F-ABC6DB561CA2
Database ID 8939