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Lithiomarsturite (Lithiomarsturit)

Pictures (5 Images total)

Lithiomarsturit
Views (File:
1282991073
): 518
Lithiomarsturit
Kristallgröße: 1,6 mm, Fundort: Foote Mine, Kings Mountain District, Cleveland Co., North Carolina, USA
Copyright: Jason B. Smith; Contribution: thdun5
Location: USA/North Carolina/Cleveland Co./Kings Mountain District/Foote Mine (Foote Lithium Co. Mine)
Mineral: Lithiomarsturite
Image: 1282991073
Rating: 8 (votes: 1)
License: Usage for Mineralienatlas project only
Lithiomarsturit

Kristallgröße: 1,6 mm, Fundort: Foote Mine, Kings Mountain District, Cleveland Co., North Carolina, USA
Copyright: Jason B. Smith
Contribution: thdun5 2010-08-28
Locality: Foote Mine (Foote Lithium Co. Mine) / Kings Mountain District / Cleveland Co. / North Carolina / USA
Lithiomarsturit
Views (File:
1282991036
): 485
Lithiomarsturit
Kristallgröße: 0,7 mm, Fundort: Foote Mine, Kings Mountain District, Cleveland Co., North Carolina, USA
Copyright: Jason B. Smith; Contribution: thdun5
Location: USA/North Carolina/Cleveland Co./Kings Mountain District/Foote Mine (Foote Lithium Co. Mine)
Mineral: Lithiomarsturite
Image: 1282991036
Rating: 7 (votes: 2)
License: Usage for Mineralienatlas project only
Lithiomarsturit

Kristallgröße: 0,7 mm, Fundort: Foote Mine, Kings Mountain District, Cleveland Co., North Carolina, USA
Copyright: Jason B. Smith
Contribution: thdun5 2010-08-28
Locality: Foote Mine (Foote Lithium Co. Mine) / Kings Mountain District / Cleveland Co. / North Carolina / USA
Lithiomarsturit
Views (File:
1203257363
): 685
Lithiomarsturit
Fundort: Foote Mine, Kings Mountains, Cleveland Co., North Carolina USA BB: 4,5mm
Copyright: Mabu; Contribution: Mabu
Collection: Mabu
Location: USA/North Carolina/Cleveland Co./Kings Mountain District/Foote Mine (Foote Lithium Co. Mine)
Mineral: Lithiomarsturite
Image: 1203257363
Rating: 7 (votes: 1)
License: Usage for Mineralienatlas project only
Lithiomarsturit

Fundort: Foote Mine, Kings Mountains, Cleveland Co., North Carolina USA BB: 4,5mm
Collection: Mabu
Copyright: Mabu
Contribution: Mabu 2008-02-17
Locality: Foote Mine (Foote Lithium Co. Mine) / Kings Mountain District / Cleveland Co. / North Carolina / USA
Lithiomarsturit
Views (File:
1181412845
): 516
Lithiomarsturit
Fundort: Foote Mine, Kings Mountain District, Cleveland Co., North Carolina, USA; Bildbreite: 2 mm
Copyright: Stephan Wolfsried; Contribution: Hg
Location: USA/North Carolina/Cleveland Co./Kings Mountain District/Foote Mine (Foote Lithium Co. Mine)
Mineral: Lithiomarsturite
Image: 1181412845
Rating: 5 (votes: 2)
License: Usage for Mineralienatlas project only
Lithiomarsturit

Fundort: Foote Mine, Kings Mountain District, Cleveland Co., North Carolina, USA; Bildbreite: 2 mm
Copyright: Stephan Wolfsried
Contribution: Hg 2007-06-09
Locality: Foote Mine (Foote Lithium Co. Mine) / Kings Mountain District / Cleveland Co. / North Carolina / USA
Lithiomarsturit
Views (File:
1181412909
): 475
Lithiomarsturit
Fundort: Foote Mine, Kings Mountain District, Cleveland Co., North Carolina, USA; Bildbreite: 2 mm
Copyright: Stephan Wolfsried; Contribution: Hg
Location: USA/North Carolina/Cleveland Co./Kings Mountain District/Foote Mine (Foote Lithium Co. Mine)
Mineral: Lithiomarsturite
Image: 1181412909
Rating: 5 (votes: 1)
License: Usage for Mineralienatlas project only
Lithiomarsturit

Fundort: Foote Mine, Kings Mountain District, Cleveland Co., North Carolina, USA; Bildbreite: 2 mm

Copyright: Stephan Wolfsried
Contribution: Hg 2007-06-09
Locality: Foote Mine (Foote Lithium Co. Mine) / Kings Mountain District / Cleveland Co. / North Carolina / USA

Collectors Summary

Color gelbbraun, hellgelb, rosa braun
Streak color hellbraun
Hardness (Mohs) 6
Cleavages gut {100} und {001}
Fracture nicht genannt
Crystal System triklin, P1

Chemism

Chemical formula

LiCaMn3Si5O14(OH)

Chemical composition

Calcium, Lithium, Mangan, Silicium, Sauerstoff, Wasserstoff

Unit weight: 593.2607967 u; Number of atoms in the formula: 26

Info

Empirical formula:

LiCaMn3Si5O14(OH)

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Hydrogen

H

0.17

1

3.85

1.0079470

1.0079470
Lithium

Li

1.17

1

3.85

6.9412000

6.9412000
Oxygen

O

40.45

15

57.69

15.9994300

239.9914500
Silicon

Si

23.67

5

19.23

28.0855300

140.4276500
Calcium

Ca

6.76

1

3.85

40.0784000

40.0784000
Manganese

Mn

27.78

3

11.54

54.9380499

164.8141497

Analysis wt%

SiO2 : 51.60, FeO : 6.90, MgO : 0.70, MnO : 16.40, CaO : 19.10, Li2O : 2.60, H2O : 1.55 (Ref: American Mineralogist 90)

Strunz 9th edition incl. updates

9.DK.05

9: Silikate (Germanate)
D: Ketten- und Bandsilikate (Inosilikate)
K: Ketten- und Bandsilikate mit 5-periodischen Einzelketten
05:Rhodonit-Gruppe

Lapis Classification

VIII/F.27-070

VIII: SILIKATE
F: Ketten- und Bandsilikate
27: Fünferketten [Si5O15] 10-

Classification by Hölzel

9.DP.245

9: SILICATES
D: Inosilicates; ~[Si2O6]4--...2-Chain
P: ~[Si5O15]10--...5-Chain Rhodonite-Group

Dana 8th edition

65.04.01.07

65: Inosilicate Minerals
04: Inosilicates Inosilicate Single-Width Unbranched Chains, W=1 with chains P=5
01: Rhodonite group

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

Optical Properties

Color

gelbbraun, hellgelb, rosa braun

Streak color

hellbraun

Diaphaneity (Transparency)

transparent

max. Birefringence

0.021
Birefringence chart\! Lithiomarsturite title=Birefringence chart Lithiomarsturite

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

1.645

RI value β

1.660

RI value γ / ε

1.666

Ri mean

1.657

2V angle

Biaxial (-) 60°

Crystallography

Crystal System

triklin

Class (H-M)

1

Space Group number

2

Space Group

P1

Cell parameters a (Å)

7.652

Cell parameters b (Å)

12.119

Cell parameters c (Å)

6.805

Cell parameters a/b or c/a

0.631

Cell parameters c/b

0.562

Cell parameters α

85.42

Cell parameters β

94.42

Cell parameters γ

111.52

Z

2

Volumne (ų)

584.416

X-Ray Powder Diffraction

6.79(20),
3.19(90),
3.08(50),
3.01(100),
2.913(90),
2.811(20),
2.774(60),
2.217(50)
XRD chart Lithiomarsturite

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)

6

VHN (Hardness Vickers)

730 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

3.32

3.371 ( ρ calc. Mineralienatlas )

Cleavages

gut {100} und {001}

Fracture

nicht genannt

Tenacity

spröde

(Co-)Type locality

(Co-)Type locality

USA/North Carolina/Cleveland Co./Kings Mountain District/Foote Mine (Foote Lithium Co. Mine)

Preface

Author (Name, Year)

Peacor & Dunn & White & Grice & Chi, 1990

References

American Mineralogist 75 (1990), 409

Revised formula for lithiomarsturite - Nomenclature/classification proposals approved in January 2022 - CNMNC Newsletter 65, Eur. J. Mineral., 34, 143–148, 2022; https://doi.org/10.5194/ejm-34-143-2022

Other languages

German

Lithiomarsturit

French

Lithiomarsturite

English

Lithiomarsturite

Spanish

Litiomarsturita

Alternative Name

Spanish

Lithiomarsturita

CNMNC (IMA)-Number

IMA 1988-035

CNMNC symbol

Symbol

Lmsr

Locations with GPS information