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Ferronigerite

Pictures (1 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
Location: Namibia/Erongo, Region/Swakopmund, Kreis/Arandis/Stiepelmann Mine
Mineral: Ferronigerite, Ferronigerite-2N1S
Image: 1130003966
Rating: 7 (votes: 1)
License: Usage for Mineralienatlas project only
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

Collectors Summary

Color farblos, braun
Streak color weiß, graugelb
Hardness (Mohs) 8.5
Cleavages fehlt

Additional information / Summary

Ungenauer Mineralname für die Polytypen

Chemism

Chemical formula

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

Chemical composition

Aluminium, Eisen, Magnesium, Zink, Zinn, Sauerstoff, Wasserstoff

Unit weight: 1059.2640858 u; Number of atoms in the formula: 41

Info

Empirical formula:

(Zn0.6Mg0.3Fe0.1)(Sn0.75Zn0.25)2(Al0.75Fe0.25)12O22(OH)2

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Hydrogen

H

0.19

2

4.88

1.0079470

2.0158940
Oxygen

O

36.25

24

58.54

15.9994300

383.9863200
Magnesium

Mg

0.69

0.3

0.73

24.3050600

7.2915180
Aluminium

Al

22.92

9

21.95

26.9815382

242.8338438
Iron

Fe

16.34

3.1

7.56

55.8452000

173.1201200
Zinc

Zn

6.79

1.1

2.68

65.4094000

71.9503400
Tin

Sn

16.81

1.5

3.66

118.7107000

178.0660500

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

Lapis Classification

IV/C.07-050

IV: OXIDE
C: Oxide mit Verhältnis Metall : Sauerstoff = 2:3 (M2O3 und verwandte Verbindungen)

Classification by Hölzel

4.CE.15

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

IMA status

Polytyp als Ferronigerite-2N1S, Ferronigerite-6N6S anerkannt.

Mineral status

Polytyp-Gruppenname

Optical Properties

Color

farblos, braun

Streak color

weiß, graugelb

Physical Properties

Hardness (Mohs)

8.5

Cleavages

fehlt

Other languages

German

Ferronigerit

English

Ferronigerite

IDs

GUSID (Global unique identifier short form) l_P7mwgzdUOB5XBukHpJIw
GUID (Global unique identifier) 9BFBF397-3308-4375-81E5-706E907A4923
Database ID 1190