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Mangani-pargasite

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Mangani-Pargasit
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Mangani-Pargasit

rötlicher Mangani-Pargasit, Långban, Schweden; BB < 1 mm

Copyright: Joy Desor
Contribution: openpit 2020-01-03
Locality: Långban Fe-Mn-(Ba-As-Pb-Sb) Lagerstätte / Långban, Distrikt / Filipstad, Gemeinde / Värmland, Provinz / Schweden

Collectors Summary

Crystal System monoklin, C2/m

Chemism

Chem­ical formula

NaCa2(Mg4Mn3+)(Si6Al2)O22(OH)2

Chem­ical com­po­si­tion

Aluminium, Calcium, Magnesium, Mangan, Natrium, Silicium, Sauerstoff, Wasserstoff

Unit weight: 863.7833305 u; Number of atoms in the formula: 42

Info

Empirical formula:

NaCa2(Mg4Mn)(Si6Al2)O22(OH)2

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

0.23

2

4.76

1.0079470

2.0158940

Oxygen

O

44.45

24

57.14

15.9994300

383.9863200

Sodium

Na

2.66

1

2.38

22.9897702

22.9897702

Magnesium

Mg

11.26

4

9.52

24.3050600

97.2202400

Aluminium

Al

6.25

2

4.76

26.9815382

53.9630764

Silicon

Si

19.51

6

14.29

28.0855300

168.5131800

Calcium

Ca

9.28

2

4.76

40.0784000

80.1568000

Manganese

Mn

6.36

1

2.38

54.9380499

54.9380499

Strunz 9th edi­tion incl. updates

9.DE.15

9: Silikate (Germanate)
D: Ketten- und Bandsilikate (Inosilikate)
E: Ketten- und Bandsilikate mit 2-periodischen Doppelketten, Si4O11; Amphibol-Familie, Klinoamphibole
15:Amphibole: Ca > Na

IMA sta­tus

anerkanntes Mineral, CNMNC Newsletter 48, März 2019

Min­eral sta­tus

anerkanntes Mineral

IMA Classification

IMA Clas­sifica­tion

Amphibole supergroup  ⇒ (OH,F,Cl)-dominant amphiboles  ⇒ Calcium amphiboles  ⇒ Pargasite (Prg) amphiboles

Crystallography

Crystal Sys­tem

monoklin

Class (H-M)

2/m

Space Group number

12

Space Group

C2/m

Cell param­e­ters a (Å)

9.9448(5)

Cell param­e­ters b (Å)

18.0171(9)

Cell param­e­ters c (Å)

5.2829(3)

Cell param­e­ters a/b or c/a

0.552

Cell param­e­ters c/b

0.293

Cell param­e­ters α

90°

Cell param­e­ters β

105.445(2)°

Cell param­e­ters γ

90°

Volumne (ų)

912.387

Kristall struc­ture

Amphibol-Supergruppe; Struktur bestimmt

X-Ray Pow­der Diffrac­tion

8.42(29), 3.28(49), 3.14(100), 2.82(44), 2.70(21), 1.904(29), 1.650(22), 1.448(46)

XRD chart Mangani-pargasite

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

(Co-)Type locality

(Co-)Type locality

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

Type mate­r­ial

Das Typenmaterial wird in den mineralogischen Sammlungen des Department of Geosciences, Swedish Museum of Natural History, Box 50007, SE-10405 Stockholm, Schweden, Sammlungsnummer NRM20100001 hinterlegt.

Preface

Name from

Ulf Hålenius, Ferdinando Bosi und Erik Jonsson (2019)

References

Hålenius, U., Bosi, F. and Jonsson, E. (2019) Mangani-pargasite, IMA 2018-151. CNMNC Newsletter No. 48, April 2019, page xxx; Mineralogical Magazine, 83, xxx-xxx

IMA group assignments

Other languages

German

Mangani-Pargasit

English

Mangani-pargasite

CNMNC (IMA)-Number

IMA 2018-151

CNMNC symbol

Symbol

Mprg

Automatic Links to external internet sources (Responsibility is with the operator)

German pages

DeWikiPedia - search for: Mangani-Pargasit
Google-Bilder-Suche - search for: Mangani-Pargasit
Mineralienatlas.de (Forum) - search for: Mangani-Pargasit

English pages

Mindat - search for: Mangani-pargasite
Webmineral - search for:Mangani-pargasite
Handbook-of-Mineralogy - search for: Mangani-pargasite
RRUFF - Raman, XRD and other mineral data - search for: Mangani-pargasite
RRUFF - References and PDF downloads - search for: Mangani-pargasite
American-Mineralogist-Crystal-Structure-Database - search for: Mangani-pargasite
Strahlen.org - search for: Mangani-pargasite

Mineral Dealer

German pages

hausen - Mineralgroßhandel - search for: Mangani-Pargasit
Crystal-Treasure.com - search for: Mangani-Pargasit
Bosse - search for: Mangani-Pargasit
Edelsteine Neuburg - Gundolf Fischer - search for: Mangani-Pargasit

Locations with GPS information