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Thérèsemagnanite (Theresemagnanite)

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Thérèsemagnanit
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Thérèsemagnanit
Bildbreite: 2 mm, Fundort: Cap Garonne, Pradet, Provence-Alpes-Côte d'Azur, Frankreich
Copyright: Luigi Chiappino; Contribution: thdun5
Location: Frankreich/Provence-Alpes-Côte d'Azur, Region/Var, Département/Toulon, Arrondissement/Le Pradet/Cap Garonne
Mineral: Thérèsemagnanite
Image: 1302880464
Rating: 5 (votes: 2)
License: Usage for Mineralienatlas project only
Thérèsemagnanit

Bildbreite: 2 mm, Fundort: Cap Garonne, Pradet, Provence-Alpes-Côte d'Azur, Frankreich

Copyright: Luigi Chiappino
Contribution: thdun5 2011-04-15
Locality: Cap Garonne / Le Pradet / Toulon, Arrondissement / Var, Département / Provence-Alpes-Côte d'Azur, Region / Frankreich

Collectors Summary

Color hellrosa
Hardness (Mohs) 1.00 - 2.00
Solubility +++ HCl
Crystal System trigonal, P3

Additional information / Summary

Neudefiniert gültig (ex. Cobaltogordait)

Chemism

Chemical formula

NaCo4(SO4)(OH)6Cl·6H2O

Additional chem. information

Gordait-Gruppe

Chemical composition

Chlor, Kobalt, Natrium, Sauerstoff, Schwefel, Wasserstoff

Unit weight: 600.3751998 u; Number of atoms in the formula: 41

Info

Empirical formula:

NaCo4(SO4)(OH)6Cl·6H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

3.02

18

43.90

1.0079470

18.1430460

Oxygen

O

42.64

16

39.02

15.9994300

255.9908800

Sodium

Na

3.83

1

2.44

22.9897702

22.9897702

Sulfur

S

5.34

1

2.44

32.0655000

32.0655000

Chlorine

Cl

5.91

1

2.44

35.4532000

35.4532000

Cobalt

Co

39.26

4

9.76

58.9332009

235.7328036

Analysis wt%

CoO : 32.95, ZnO : 20.42, NiO : 3.18, SO3 : 10.54, Cl : 5.65, H2O : 28.40 (Ref: Arch.d.Sci.93)

Strunz 9th edition incl. updates

7.DD.80

7: Sulfate (Selenate, Tellurate, Chromate, Molybdate, Wolframate)
D: Sulfate (Selenate, etc.) mit weitere Anionen, mit H2O
D: mit mittelgroßen Kationen; Lagen von kantenverknüpften Oktaedern
80:

Lapis Classification

III/D.03-023

III: HALOGENIDE (Fluoride, Chloride, Bromide, Jodide)
D: Oxihalogenide
3: Oxihalogenide mit Mg-Mn-Cu-Zn-Sn

Classification by Hölzel

7.DD.770

7: SULFATES CHROMATES MOLYBDATES WOLFRAMATES
D: Sulfates (+Anions +Water)
D: Sulfate-Hydrotalcites

Dana 8th edition

31.02.05.01

31: Hydrated Sulfates Containing Hydroxyl or Halogen
02: Hydrated Sulfates Containing Hydroxyl or Halogen where (A+ B++)6 (XO4) Zq·x(H2O)

IMA status

IMA 15-K, neudefinition gültig - CNMNC Newsletter No. 27 Okt. 2015

Mineral status

anerkanntes Mineral

Optical Properties

Color

hellrosa

max. Birefringence

0.006

Birefringence chart\! Thérèsemagnanite title=Birefringence chart Thérèsemagnanite

Michel-Levy Color Chart viewed according to the maximum birefringence (at 30μm). Mineral color is not taken into account. Click on the image to enlarge or change thickness.

RI value α / ω / n

1.792

RI value γ / ε

1.786

Ri mean

1.790

2V angle

Uniaxial (-)

Crystallography

Crystal System

trigonal

Class (H-M)

3

Space Group number

147

Space Group

P3

Cell parameters a (Å)

8.349(3)

Cell parameters b (Å)

-

Cell parameters c (Å)

13.031(2)

Cell parameters a/b or c/a

1.561

Cell parameters c/b

-

Volume (ų)

786.642

Crystal structure

Das Co-Analog von Gordait; Struktur bestimmt

X-Ray Powder Diffraction

13.10(100), 6.53(8), 4.173(4), 3.517(5), 2.975(4), 2.676(5), 2.520(5)

XRD chart Thérèsemagnanite

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

Crystals 3D

Open larger view

Physical Properties

Hardness (Mohs)

1.00 - 2.00

Density (g/cm³)

2.52 (gemessen)

Instability

+++ HCl

(Co-)Type locality

(Co-)Type locality

USA/Utah/San Juan Co./White Canyon District/Red Canyon/Blue Lizard Mine

Type material

Fersman Mineralogical Museum of the Russian Academy of Sciences, Moscow, Russland

Collection number of type material

4561/1

Preface

Name from

Nach Thérèse Magnan, die sich um die Erforschung der Typlokalität, Cap Garonne, Frankreich, verdient gemacht hat.

Author (Name, Year)

Sarp, 1993

References

Sarp H (1993) Guarinoite (ZnCoNi)6(SO4)(OH,Cl)10·5H2O et theresemagnanite (CoZnNi)6(SO4)(OH,Cl)10·8H2O, deux nouveaux minéraux de la mine de Cap Garonne, Var, France, Archives des Sciences, Genève 46, 37-44

IMA 15-K: Thérèsemagnanite (redefined) and cobaltogordaite (discredited) Proposal 15-K is accepted, and thérèsemagnanite is redefined as a mineral of the gordaite group, with formula NaCo4(SO4)(OH)6Cl·6H2O. Cobaltogordaite, a new mineral species recently defined by Kasatkin et al. (2014) (IMA 2014043; see CNMNC Newsletter 22) and identical to thérèsemagnanite, is discredited. All data given in proposal IMA 2014-043 now correspond to thérèsemagnanite. The neotype specimen is deposited in the Fersman Mineralogical Museum of the Russian Academy of Sciences, Moscow, Russia, registration number 4561/1 - CNMNC Newsletter No. 27, October 2015, page 1230; Mineralogical Magazine, 79, 1229–1236.

Other languages

German

Thérèsemagnanit

English

Thérèsemagnanite

Alternative Name

Spanish

Theresemagnanita

CNMNC (IMA)-Number

IMA 15-K

IMA 1991-026

CNMNC symbol

Symbol

Tmg

Locations with GPS information

IDs

GUSID (Global unique identifier short form) CqpJoLhYg0qGkQJWhiuwCA
GUID (Global unique identifier) A049AA0A-58B8-4A83-8691-0256862BB008
Database ID 3822