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Parsettensite

Pictures (5 Images total)

Parsettensit
Views (File:
1166529391
): 1764
Parsettensit
Bildbreite: 3 mm; Fundort: Foote Mine, Kings Mountain District, Cleveland Co., North Carolina, USA
Copyright: Stephan Wolfsried; Contribution: Hg
Location: USA/North Carolina/Cleveland County/Kings Mountain District/Foote Mine (Foote Lithium County Mine)
Mineral: Parsettensite
Image: 1166529391
Rating: 9 (votes: 1)
License: Usage for Mineralienatlas project only
Parsettensit

Bildbreite: 3 mm; Fundort: Foote Mine, Kings Mountain District, Cleveland Co., North Carolina, USA
Copyright: Stephan Wolfsried
Contribution: Hg 2006-12-19
Locality: Foote Mine (Foote Lithium County Mine) / Kings Mountain District / Cleveland County / North Carolina / USA
Parsettensit
Views (File:
1283595812
): 1243
Parsettensit
Bildbreite: 9 mm, Fundort: Foote Mine, Kings Mountain District, Cleveland Co., North Carolina, USA
Copyright: Jason B. Smith; Contribution: thdun5
Location: USA/North Carolina/Cleveland County/Kings Mountain District/Foote Mine (Foote Lithium County Mine)
Mineral: Parsettensite
Image: 1283595812
Rating: 6 (votes: 1)
License: Usage for Mineralienatlas project only
Parsettensit

Bildbreite: 9 mm, Fundort: Foote Mine, Kings Mountain District, Cleveland Co., North Carolina, USA
Copyright: Jason B. Smith
Contribution: thdun5 2010-09-04
Locality: Foote Mine (Foote Lithium County Mine) / Kings Mountain District / Cleveland County / North Carolina / USA
Rhodochrosit, r; Parsettensit, br; Braunit, sch.
Views (File:
1638032645
): 329
Rhodochrosit, r; Parsettensit, br; Braunit, sch.
Falotta, Tinizong-Rona, Surses, Albula, Graubünden, Kanton, CH. BB:6,5cm; Das rote Mineral zeigt HCl: +; daher wurde Rhodochrosit angenommen.
Copyright: Doc Diether; Contribution: Doc Diether
Collection: Doc Diether
Location: Schweiz/Graubünden, Kanton/Albula, Region/Surses, Gemeinde/Tinizong-Rona (Tinzen)/Falotta
Mineral: Braunite, Parsettensite, Rhodochrosite
Image: 1638032645
License: Usage for Mineralienatlas project only
Rhodochrosit, r; Parsettensit, br; Braunit, sch.  D

Falotta, Tinizong-Rona, Surses, Albula, Graubünden, Kanton, CH. BB:6,5cm; Das rote Mineral zeigt HCl: +; daher wurde Rhodochrosit angenommen.
Collection: Doc Diether
Copyright: Doc Diether
Contribution: Doc Diether 2021-11-27
Locality: Falotta / Tinizong-Rona (Tinzen) / Surses, Gemeinde / Albula, Region / Graubünden, Kanton / Schweiz
Rhodochrosit, r; Parsettensit, br; Sursassit (?) br; Braunit, schw.
Views (File:
1638096586
): 302
Rhodochrosit, r; Parsettensit, br; Sursassit (?) br; Braunit, schw.
Falotta, Tinizong-Rona, Surses, Albula, Graubünden, Kanton, CH. BB:
Copyright: Doc Diether; Contribution: Doc Diether
Collection: Doc Diether
Location: Schweiz/Graubünden, Kanton/Albula, Region/Surses, Gemeinde/Tinizong-Rona (Tinzen)/Falotta
Mineral: Braunite, Parsettensite, Rhodochrosite
Image: 1638096586
License: Usage for Mineralienatlas project only
Rhodochrosit, r; Parsettensit, br; Sursassit (?) br; Braunit, schw.

Falotta, Tinizong-Rona, Surses, Albula, Graubünden, Kanton, CH. BB:
Collection: Doc Diether
Copyright: Doc Diether
Contribution: Doc Diether 2021-11-28
Locality: Falotta / Tinizong-Rona (Tinzen) / Surses, Gemeinde / Albula, Region / Graubünden, Kanton / Schweiz
Manganocalcit (rosa) und Parsettensit (schuppig, braun)
Views (File:
1638291194
): 268
Manganocalcit (rosa) und Parsettensit (schuppig, braun)
Alp Parsettens, Tinizong-Rona, Surses, Albula, Graubünden, Kanton, CH. 6x5cm
Copyright: Doc Diether; Contribution: Doc Diether
Collection: Doc Diether
Location: Schweiz/Graubünden, Kanton/Albula, Region/Surses, Gemeinde/Tinizong-Rona (Tinzen)/Alp Parsettens
Mineral: Manganese-bearing Calcite, Manganoan Calcite, Parsettensite
Image: 1638291194
License: Usage for Mineralienatlas project only
Manganocalcit (rosa) und Parsettensit (schuppig, braun)

Alp Parsettens, Tinizong-Rona, Surses, Albula, Graubünden, Kanton, CH. 6x5cm
Collection: Doc Diether
Copyright: Doc Diether
Contribution: Doc Diether 2021-11-30
Locality: Alp Parsettens / Tinizong-Rona (Tinzen) / Surses, Gemeinde / Albula, Region / Graubünden, Kanton / Schweiz

You find additional specimen at the Geolitho Museum

Collectors Summary

Color kupferrot
Streak color bräunlich gelb
Lustre Halbmetallglanz, Metallglanz
Hardness (Mohs) In der ursprünglichen Beschreibung ist kein Wert angegeben. Ein Wert von 1,5 ist im Handbuch der Mineralogie angegeben, erscheint aber sehr zweifelhaft (zu niedrig).
Solubility +++ heiße konz. HCl, + verdünnte HCl
Crystal System monoklin, C2/m

Chemism

Chemical formula

(K,Na,Ca)7.5(Mn,Mg)49Si72O168(OH)50·nH2O

Chemical composition

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

Unit weight: 8152.885070775 u; Number of atoms in the formula: 399.5

Info

Empirical formula:

(K0.6Na0.3Ca0.1)7.5(Mn0.75Mg0.25)49Si72O168(OH)50·nH2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Hydrogen

H

0.64

52

13.02

1.0079470

52.4132440
Oxygen

O

42.98

219

54.82

15.9994300

3,503.8751700
Sodium

Na

0.63

2.25

0.56

22.9897702

51.7269830
Magnesium

Mg

3.65

12.25

3.07

24.3050600

297.7369850
Silicon

Si

24.80

72

18.02

28.0855300

2,022.1581600
Potassium

K

2.16

4.5

1.13

39.0983100

175.9423950
Calcium

Ca

0.37

0.75

0.19

40.0784000

30.0588000
Manganese

Mn

24.76

36.75

9.20

54.9380499

2,018.9733338

Analysis wt%

SiO2 : 42.90, Al2O3 : 4.35, MnO : 34.43, MgO : 2.70, CaO : 0.59, K2O : 0.94, H2O : 12.81 (Ref: Hintze, Handbuch der Mineralogie, 1904-1974)

Strunz 9th edition incl. updates

9.EG.40

9: Silikate (Germanate)
E: Schichtsilikate (Phyllosilikate)
G: Doppelnetze mit sechsfach-Ringen
40:Stilpnomelan-Gruppe

Lapis Classification

VIII/H.17-050

VIII: SILIKATE
H: Schichtsilikate
17: Glimmerartige Schicht-silikate mit Baugruppen [Si4O10] 4- und verwandte Strukturen;

Classification by Hölzel

9.EG.240

9: SILICATES
E: Phyllosilicates
G: Hydrated Micas
2: With Mn

Dana 8th edition

74.01.03.01

74: Phyllosilicates Phyllosilicate Modulated Layers
01: Phyllosilicates Phyllosilicate Modulated Layers with joined islands

IMA status

Erstbeschreibung vor CNMNC-Gründung (1959), als Mineral meist anerkannt

Mineral status

anerkanntes Mineral

Optical Properties

Color

kupferrot

Streak color

bräunlich gelb

Diaphaneity (Transparency)

durchscheinend bis teilweise durchscheinend

Lustre

Halbmetallglanz, Metallglanz

max. Birefringence

0.030
Birefringence chart\! Parsettensite title=Birefringence chart Parsettensite

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

1.546

RI value β

1.575

RI value γ / ε

1.576

Ri mean

1.566

2V angle

Biaxial (-) 4°

Pleochroism

frablos, hellgelb, graugelb

Crystallography

Crystal System

monoklin

Class (H-M)

2/m

Space Group number

12

Space Group

C2/m

Cell parameters a (Å)

39.1

Cell parameters b (Å)

22.84

Cell parameters c (Å)

17.95

Cell parameters a/b or c/a

1.712

Cell parameters c/b

0.786

Cell parameters α

90°

Cell parameters β

135.60

Cell parameters γ

90°

Z

2

Volume (ų)

11215.701

X-Ray Powder Diffraction

12.62(100),
4.51(20),
4.195(20),
3.70(20),
2.791(30),
2.639(50),
2.417(30),
1.628(30)
XRD chart Parsettensite

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

Crystals 3D

Open larger view

Crystal Structure 3D

Open larger view

Physical Properties

Hardness (Mohs)

In der ursprünglichen Beschreibung ist kein Wert angegeben. Ein Wert von 1,5 ist im Handbuch der Mineralogie angegeben, erscheint aber sehr zweifelhaft (zu niedrig).

VHN (Hardness Vickers)

18 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

2.59

2.414 ( ρ calc. Mineralienatlas )

Instability

+++ heiße konz. HCl, + verdünnte HCl

(Co-)Type locality

(Co-)Type locality

Schweiz/Graubünden, Kanton/Albula, Region/Surses, Gemeinde/Tinizong-Rona (Tinzen)/Alp Parsettens

Preface

Occurrences

In und im Umkreis von Mangan-Lagerstätten

Author (Name, Year)

Jakob, 1923

References

Handbook of Mineralogy (Anthony et al.), 2 (1995), 627

Other languages

German

Parsettensit

Spanish

Parsettensita

English

Parsettensite

French

Parsettensite

Russian

Парсеттенсит

Alternative Name

Simplified Chinese

水硅锰石

CNMNC symbol

Symbol

Psn

Locations with GPS information

IDs

GUSID (Global unique identifier short form) Pas4_ao6UUC-_llwHenb1g
GUID (Global unique identifier) FD38AB3D-3AAA-4051-BEFE-59701DE9DBD6
Database ID 2957