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Tetrawickmanite (Tetrawickmanit)

Pictures (4 Images total)

Tetrawickmanit
Views (File:
1195841698
): 1024
Tetrawickmanit
Fundort: Långban, Filipstad, Värmland, Schweden; Bildbreite: 1 mm
Copyright: Christian Rewitzer; Contribution: Klinoklas
Location: Schweden/Värmland, Provinz/Filipstad, Gemeinde/Långban, Distrikt/Långban Fe-Mn-(Ba-As-Pb-Sb) Lagerstätte
Mineral: Tetrawickmanite
Image: 1195841698
Rating: 9 (votes: 1)
License: Usage for Mineralienatlas project only
Tetrawickmanit

Fundort: Långban, Filipstad, Värmland, Schweden; Bildbreite: 1 mm
Copyright: Christian Rewitzer
Contribution: Klinoklas 2007-11-23
Locality: Långban Fe-Mn-(Ba-As-Pb-Sb) Lagerstätte / Långban, Distrikt / Filipstad, Gemeinde / Värmland, Provinz / Schweden
Tetrawickmanit
Views (File:
1219586929
): 843
Tetrawickmanit
Bildbreite: 2 mm; Fundort: Foote Mine, Kings Mountain District, Cleveland Co., North Carolina, USA
Copyright: Stephan Wolfsried; Contribution: Hg
Location: USA/North Carolina/Cleveland Co./Kings Mountain District/Foote Mine (Foote Lithium Co. Mine)
Mineral: Tetrawickmanite
Image: 1219586929
Rating: 7.5 (votes: 2)
License: Usage for Mineralienatlas project only
Tetrawickmanit

Bildbreite: 2 mm; Fundort: Foote Mine, Kings Mountain District, Cleveland Co., North Carolina, USA
Copyright: Stephan Wolfsried
Contribution: Hg 2008-08-24
Locality: Foote Mine (Foote Lithium Co. Mine) / Kings Mountain District / Cleveland Co. / North Carolina / USA
Tetrawickmanit
Views (File:
1219574263
): 681
Tetrawickmanit
Bildbreite: 2 mm; Fundort: Foote Mine, Kings Mountain District, Cleveland Co., North Carolina, USA
Copyright: Stephan Wolfsried; Contribution: Hg
Location: USA/North Carolina/Cleveland Co./Kings Mountain District/Foote Mine (Foote Lithium Co. Mine)
Mineral: Tetrawickmanite
Image: 1219574263
Rating: 7 (votes: 2)
License: Usage for Mineralienatlas project only
Tetrawickmanit

Bildbreite: 2 mm; Fundort: Foote Mine, Kings Mountain District, Cleveland Co., North Carolina, USA
Copyright: Stephan Wolfsried
Contribution: Hg 2008-08-24
Locality: Foote Mine (Foote Lithium Co. Mine) / Kings Mountain District / Cleveland Co. / North Carolina / USA
Tetrawickmanit
Views (File:
1203257571
): 678
Tetrawickmanit
Fundort: Foote Mine, Kings Mountains, Cleveland Co., North Carolina, USA BB: 1,8mm
Copyright: Mabu; Contribution: Mabu
Collection: Mabu
Location: USA/North Carolina/Cleveland Co./Kings Mountain District/Foote Mine (Foote Lithium Co. Mine)
Mineral: Tetrawickmanite
Image: 1203257571
Rating: 7 (votes: 1)
License: Usage for Mineralienatlas project only
Tetrawickmanit

Fundort: Foote Mine, Kings Mountains, Cleveland Co., North Carolina, USA BB: 1,8mm
Collection: Mabu
Copyright: Mabu
Contribution: Mabu 2008-02-17
Locality: Foote Mine (Foote Lithium Co. Mine) / Kings Mountain District / Cleveland Co. / North Carolina / USA

Collectors Summary

Color braun orange, honiggelb
Streak color weiß

Chemism

Chemical formula

Mn2+Sn4+(OH)6

Chemical composition

Mangan, Zinn, Sauerstoff, Wasserstoff

Unit weight: 275.6930119 u; Number of atoms in the formula: 14

Info

Empirical formula:

MnSn(OH)6

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Hydrogen

H

2.19

6

42.86

1.0079470

6.0476820
Oxygen

O

34.82

6

42.86

15.9994300

95.9965800
Manganese

Mn

19.93

1

7.14

54.9380499

54.9380499
Tin

Sn

43.06

1

7.14

118.7107000

118.7107000

Analysis wt%

MnO : 25.73, SnO2 : 54.66, H2O : 19.61 (Ref: berechnet)

Strunz 9th edition incl. updates

4.FC.15

4: Oxide, Hydroxide (Oxide, Hydroxide, V[5,6]-Vanadate, Arsenite, Antimonite, Bismutite, Sulfite, Selenite, Tellurite, Iodate)
F: Hydroxide (ohne V oder U)
C: Hydroxide mit OH, ohne H2O; eckenverknüpfte Oktaeder
15:Stottit-Gruppe

Lapis Classification

IV/F.17-020

IV: OXIDE
F: Hydroxide und oxidische Hydrate (wasserhaltige Oxide mit Schichtstruktur)
17: Stottit-Gruppe

Classification by Hölzel

4.FD.200

4: OXIDES
F: Hydroxides and Hydrates (without V and U)
D: With Me~[X(OH)6], X=Sn,Ge,Sb
2: Stottite-Group

Dana 8th edition

06.03.07.02

06: Hydroxides and Oxides Containing Hydroxyl
03: Hydroxides and Oxides Containing Hydroxyl with (OH)3 or (OH)6 groups
07: Wickmanite group (Tetragonal: P42/n)

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

 Perovskite supergroup  ⇒ Non-stoichiometric perovskites  ⇒ Stottite subgroup

Optical Properties

Color

braun orange, honiggelb

Streak color

weiß

Diaphaneity (Transparency)

transparent bis durchscheinend

max. Birefringence

0.004
Birefringence chart\! Tetrawickmanite title=Birefringence chart Tetrawickmanite

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

1.724

RI value γ / ε

1.720

Ri mean

1.723

2V angle

Uniaxial (-)

Crystallography

Cell parameters a (Å)

7.787

Cell parameters b (Å)

-

Cell parameters c (Å)

7.797

Cell parameters a/b or c/a

1.001

Cell parameters c/b

-

Cell parameters α

90°

Cell parameters β

90°

Cell parameters γ

90°

Z

4

Volumne (ų)

472.8

X-Ray Powder Diffraction

Crystals 3D

Open larger view

Crystal Structure 3D

Open larger view

Physical Properties

Density (g/cm³)

3.65

3.873 ( ρ calc. Mineralienatlas )

(Co-)Type locality

(Co-)Type locality

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

IMA group assignments

Other languages

German

Tetrawickmanit

Spanish

Tetrawickmanita

French

Tetrawickmanite

English

Tetrawickmanite

Russian

Тетравикманит

CNMNC (IMA)-Number

IMA 1971-018

CNMNC symbol

Symbol

Twm

Locations with GPS information