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Ferronigerite-2N1S

Pictures (2 Images total)

Rotbraune pseudohexagonale Ferronigerit-Tafel
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Rotbraune pseudohexagonale Ferronigerit-Tafel

von 5 mm Größe; in Muskovit-Sillimanit-Alkalifeldspat-Fels; Fundort: Stiepelmann Zinnmine, Arandis, Skaopmund District, Namibia

Copyright: McSchuerf
Contribution: McSchuerf 2005-10-22
Locality: Stiepelmann Mine / Arandis / Swakopmund, Kreis / Erongo, Region / Namibia
Ferronigerit-2N1S
Views (Image: 1257870240): 1446
Ferronigerit-2N1S

Größe: 1 x 0,8 x 0,1 cm, Fundort: Stiepelmann Zinnmine, Arandis, Skaopmund District, Namibia.

Copyright: Rob Lavinsky
Contribution: thdun5 2009-11-10
Locality: Stiepelmann Mine / Arandis / Swakopmund, Kreis / Erongo, Region / Namibia

Collectors Summary

Color dunkelbraun, rötlich-braun, rot
Lustre Glasglanz
Hardness (Mohs) 8.5
Solubility - Säuren
Crystal System trigonal, P3m1

Chemism

Chem­ical formula

Al10.9Sn2Fe1.7Zn0.7O22(OH)2

Chem­ical com­po­si­tion

Aluminium, Eisen, Zink, Zinn, Sauerstoff, Wasserstoff

Unit weight: 1058.24580038 u; Number of atoms in the formula: 41.3

Info

Empirical formula:

Al10.9Sn2Fe1.7Zn0.7O22(OH)2

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

0.19

2

4.84

1.0079470

2.0158940

Oxygen

O

36.29

24

58.11

15.9994300

383.9863200

Aluminium

Al

27.79

10.9

26.39

26.9815382

294.0987664

Iron

Fe

8.97

1.7

4.12

55.8452000

94.9368400

Zinc

Zn

4.33

0.7

1.69

65.4094000

45.7865800

Tin

Sn

22.44

2

4.84

118.7107000

237.4214000

Anal­y­sis wt%

SiO2 : 0.48, SnO2 : 25.33, Al2O3 : 50.91, Fe2O3 : 11.90, FeO : 2.65, MgO : 1.28, ZnO : 4.51, PbO : 0.94, H2O : 1.57 (Ref: Mineralogical Magazine 1947)

Strunz 9th edi­tion incl. updates

4.FC.20

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
20:Nigerit-Gruppe

Clas­sifica­tion by Hölzel

4.CE.150

4: OXIDES
C: R2O3 Sesquioxides
E: Other complex Oxides, mostly hextrig
1: Högbomite-Group

Hey's Chem­ical Index of Min­er­als

07.11.12

07: Oxides and Hydroxides
11: Oxides of Sn and Pb

Dana 8th edi­tion

07.11.08.02

07: Multiple Oxides
11: Multiple Oxides as titano-oxides with [4] and [6] substitutions
08: Nigerite Group (Sn>Ti)

IMA sta­tus

unter Anerkennung der CNMNC umbenannt. Original der Nigerit Polytyp von Jacobsen & Webb, 1947; auch als 6H Polytyp von Bannister u.a. (1947) bekannt; umbenannt von Armbruster (2002)

IMA Classification

IMA Clas­sifica­tion

Högbomite supergroup  ⇒ Nigerite group

Optical Properties

Color

dunkelbraun, rötlich-braun, rot

Lus­tre

Glasglanz

max. Birefrin­gence

0.010~

Birefringence chart\! Ferronigerite-2N1S title=Birefringence chart Ferronigerite-2N1S

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

1.80

RI value γ / ε

1.81

Ri mean

1.803

2V angle

Uniaxial (+)

Crystallography

Crystal Sys­tem

trigonal

Class (H-M)

3m

Space Group number

164

Space Group

P3m1

Cell param­e­ters a (Å)

5.72

Cell param­e­ters b (Å)

-

Cell param­e­ters c (Å)

13.69

Cell param­e­ters a/b or c/a

2.393

Cell param­e­ters c/b

-

Z

1

Volumne (ų)

387.906

X-Ray Pow­der Diffrac­tion

4.52(20),
4.20(20),
2.85(90),
2.42(100),
1.647(40),
1.551(60),
1.423(50),
1.051(30)

XRD chart Ferronigerite-2N1S

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

Crystal Structure 3D

Open larger view

Physical Properties

Hard­ness (Mohs)

8.5

VHN (Hard­ness Vick­ers)

2800

Density (g/cm³)

4.51 (gemessen) 4.49 (berechnet)

4.53 ( ρ calc. Mineralienatlas )

Insta­bil­ity

- Säuren

(Co-)Type locality

(Co-)Type locality

Nigeria/Kogi, State/Egbe, Distrikt

Preface

Author (Name, Year)

Armbruster, 2002

References

Mineralogical Magazine 28 (1947), 129.

Geological Society of America Memoir 85 (1962), 203.

Crystallography Reports 40 (1995), 587.

Handbook of Mineralogy (Anthony et al.), 3 (1997), 405.

Armbruster, T. (2002) Revised nomenclature of högbomite, nigerite, and taaffeite minerals - European Journal of Mineralogy 14 (2002), 389.

IMA group assignments

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

'Nigerite group'

(Fe2+,Zn)4Sn2(Al,Fe3+)15O30(OH)2

4.FC.20

'Ferronigerite'

(Zn,Mg,Fe2+)(Sn,Zn)2(Al,Fe3+)12O22(OH)2

4.FC.20

'Magnesionigerite'

4.FC.20

'Ferronigerite-2N1S'

Al10.9Sn2Fe1.7Zn0.7O22(OH)2

trigonal : 3m : P3m1

4.FC.20

Ferronigerite-6N6S

(Al,Fe,Zn)3(Al,Sn,Fe)8O15(OH)

trigonal : 3 : R3

4.FC.20

Zinconigerite-2N1S

ZnSn2Al12O22(OH)2

trigonal : 3m : P3m1

4.FC.20

Zinconigerite-6N6S

Zn3Sn2Al16O30(OH)2

trigonal : 3m : R3m

4.FC.20

Zincovelesite-6N6S

Zn3(Fe3+,Mn3+,Al,Ti)8O15(OH)

trigonal : 3m : P3m1

4.FC.20

'Magnesionigerite-2N1S'

(Mg,Al,Zn)4(Sn,Fe)2Al10O22(OH)2

trigonal : 3m : P3m1

4.FC.20

'Magnesionigerite-6N6S'

(Mg,Al,Zn)4(Sn,Fe)2Al10O22(OH)2

trigonal : 3m : R3m

4.FC.20

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

'Magnesiohögbomite-2N2S'

(Mg,Fe,Zn,Ti)6Al16O30(OH)2

hexagonal : 6mm : P63mc

4.CE.100

'Magnesiohögbomite-2N3S'

(Mg,Fe,Zn,Ti)4(Al,Fe)10O19(OH)

trigonal : 3m : P31m

4.CE.103

Magnesiohögbomite-2N4S

(Mg8.2Fe2+1.3Zn0.2)Al22.7Ti4+1.6O46(OH)2

hexagonal : 6mm : P63mc

4.CE.104

Magnesiohögbomite-6N6S

(Mg,Fe,Zn,Ti))18Al48O90(OH)6

4.CE.105

Zincohögbomite-2N2S

(Zn,Fe,Mg,Ti)6Al16O30(OH)2

hexagonal : 6mm : P63mc

4.CE.110

'Zincohögbomite-2N6S'

(Zn,Fe,Mg,Ti)14Al32O62(OH)2

hexagonal : 6mm : P63mc

4.CE.116

'Ferrohögbomite-2N2S'

(Fe,Mg,Zn,Al)3(Al,Ti,Fe)8O15(OH)

hexagonal : 6mm : P63mc

4.CE.120

'Magnesionigerite-2N1S'

(Mg,Al,Zn)4(Sn,Fe)2Al10O22(OH)2

trigonal : 3m : P3m1

4.CE.130

'Magnesionigerite-6N6S'

(Mg,Al,Zn)4(Sn,Fe)2Al10O22(OH)2

trigonal : 3m : R3m

4.CE.136

Zinconigerite-6N6S

Zn3Sn2Al16O30(OH)2

trigonal : 3m : R3m

4.CE.146

'Ferronigerite'

(Zn,Mg,Fe2+)(Sn,Zn)2(Al,Fe3+)12O22(OH)2

4.CE.15

'Ferronigerite-2N1S'

Al10.9Sn2Fe1.7Zn0.7O22(OH)2

trigonal : 3m : P3m1

4.CE.150

Ferronigerite-6N6S

(Al,Fe,Zn)3(Al,Sn,Fe)8O15(OH)

trigonal : 3 : R3

4.CE.156

Magnesiotaaffeite-2N'2S

Mg3Al8BeO16

hexagonal : 6mm : P63mc

4.CE.162

Magnesiotaaffeite-6N'3S

(Mg,Fe2+,Zn)2Al6BeO12

trigonal : 3m : R3m

4.CE.163

Ferrotaaffeite-2N’2S

Be(Fe,Mg,Zn)3Al8O16

hexagonal : 6mm : P63mc

4.CE.181

Ferrotaaffeite-6N'3S

(Fe2+,Zn,Mg)2Al6BeO12

trigonal : 3m : R3m

4.CE.183

Nolanite

V3+8Fe3+2O14(OH)2

hexagonal : 6mm : P63mc

4.CE.190

Rinmanite

(Zn,Mn2+)2Mg2Fe43+Sb25+O12(OH)2

hexagonal : 6mm : P63mc

4.CE.191

'Mongshanite'

(Mg,Cr,Fe2+)2(Ti,Zr,Cr,Fe3+)5O12

4.CE.194

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

Muskoxite

Mg7Fe43+O13·10 H2O

07.11.01.01

Brownmillerite

Ca2(Al,Fe3+)2O5

orthorhombisch : mm2 : Ibm2

07.11.02.01

Srebrodolskite

Ca2Fe23+O5

orthorhombisch : mmm : Pnma

07.11.02.02

Chlormayenite

Ca12Al14O32[☐4Cl2]

kubisch : 43m : I43d

07.11.03.01

Hematophanite

Pb4Fe33+O8(OH,Cl)

tetragonal : 4mm : P4mm

07.11.04.01

Plumboferrite

Pb2(Fe,Mn2+,Mg)11O19

hexagonal : 6/mmm : P63/mmc

07.11.05.01

'Ferronigerite-2N1S'

Al10.9Sn2Fe1.7Zn0.7O22(OH)2

trigonal : 3m : P3m1

07.11.08.02

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

'Ferronigerite-2N1S'

Al10.9Sn2Fe1.7Zn0.7O22(OH)2

trigonal : 3m : P3m1

07.11.12

Other languages

German

Ferronigerit-2N1S

Spanish

Ferronigerita-2N1S

English

Ferronigerite-2N1S

French

Ferronigerite-2N1S

Russian

Нигерит

Russian

Ферронигерит-2N1S

Alternative Name

Simplified Chinese

尼日利亚石

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