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Tetrawickmanite

Pictures (4 Images total)

Tetrawickmanit
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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 (Image: 1219574263): 626
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 (Image: 1203257571): 628
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
Tetrawickmanit
Views (Image: 1195841698): 883
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

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 )

IMA group assignments

Related minerals "Strunz Classification" (9. Edition) [Mineral | Chemical formula | Crystal system : Class (H-M) : Space Group | Indenture number]

Stottite

Fe2+Ge(OH)6

tetragonal : 4/m : P42/n

4.FC.15

Mopungite

NaSb(OH)6

tetragonal : 4/m : P42/n

4.FC.15

Jeanbandyite

Fe3+Sn(OH)5O

kubisch : m3 : Pn3

4.FC.15

Tetrawickmanite

Mn2+Sn4+(OH)6

4.FC.15

Related minerals "Lapis Classification" [Mineral | Chemical formula | Crystal system : Class (H-M) : Space Group | Indenture number]

Mopungite

NaSb(OH)6

tetragonal : 4/m : P42/n

IV/F.17-010

Tetrawickmanite

Mn2+Sn4+(OH)6

IV/F.17-020

Jeanbandyite

Fe3+Sn(OH)5O

kubisch : m3 : Pn3

IV/F.17-030

Stottite

Fe2+Ge(OH)6

tetragonal : 4/m : P42/n

IV/F.17-040

Eyselite

Fe3+Ge4+3O7(OH)

IV/F.17-050

Related minerals "Hoelzel Classification" [Mineral | Chemical formula : Crystal system : Class (H-M) | Space Group | Indenture number]

Tetrawickmanite

Mn2+Sn4+(OH)6

4.FD.200

Jeanbandyite

Fe3+Sn(OH)5O

kubisch : m3 : Pn3

4.FD.220

Stottite

Fe2+Ge(OH)6

tetragonal : 4/m : P42/n

4.FD.230

Burtite

CaSn4+(OH)6

kubisch : m3 : Pn3

4.FD.260

Related minerals "Dana 8. Classification" [Mineral | Chemical formula : Crystal system : Class (H-M) | Space Group | Indenture number]

Gibbsite

Al(OH)3

monoklin : 2/m : P21/n

06.03.01.01

Bayerite

Al(OH)3

monoklin : 2/m : P21/n

06.03.02.01

Nordstrandite

Al(OH)3

triklin : 1 : I1

06.03.03.01

Doyleite

Al(OH)3

triklin : 1 : P1

06.03.04.01

Dzhalindite

In(OH)3

kubisch : m3 : Im3

06.03.05.01

Söhngeite

Ga(OH)3

orthorhombisch : mm2 : Pmn21

06.03.05.02

Bernalite

Fe(OH)3

orthorhombisch : mmm : Pmmn

06.03.05.03

Wickmanite

Mn2+Sn4+(OH)6

06.03.06.01

Schoenfliesite

Mg[Sn(OH)6]

kubisch : m3 : Pn3

06.03.06.02

Natanite

Fe2+Sn4+(OH)6

kubisch : m3m : Pn3m

06.03.06.03

Vismirnovite

ZnSn4+(OH)6

kubisch : m3m : Pn3m

06.03.06.04

Burtite

CaSn4+(OH)6

kubisch : m3 : Pn3

06.03.06.05

Stottite

Fe2+Ge(OH)6

tetragonal : 4/m : P42/n

06.03.07.01

Tetrawickmanite

Mn2+Sn4+(OH)6

06.03.07.02

Jeanbandyite

Fe3+Sn(OH)5O

kubisch : m3 : Pn3

06.03.07.03

Mopungite

NaSb(OH)6

tetragonal : 4/m : P42/n

06.03.07.04

Jamborite

Ni2+1-xCo3+x(OH)2-x(SO4)x·nH2O

trigonal : 3m : R3m

06.03.08.01

Bottinoite

NiSb25+(OH)12·6H2O

trigonal : 3 : P3

06.03.09.01

Brandholzite

Mg[Sb5+(OH)6]2·6H2O

trigonal : 3 : P3

06.03.09.02

CNMNC (IMA)-Number

IMA 1971-018

CNMNC symbol

Symbol

Twm

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