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Stottite

Pictures (3 Images total)

Stottit
Views (File:
1423135638
): 1160, Rating: 9
Stottit
Bildbreite: 2 mm; Fundort: Tsumeb Mine, Oshikoto (Otjikoto) Region, Namibia
Copyright: Stephan Wolfsried; Contribution: Hg
Location: Namibia/Oshikoto (Otjikoto), Region/Tsumeb/Tsumeb Mine
Mineral: Stottite
Image: 1423135638
Rating: 9 (votes: 4)
License: Usage for Mineralienatlas project only
Stottit

Bildbreite: 2 mm; Fundort: Tsumeb Mine, Oshikoto (Otjikoto) Region, Namibia
Copyright: Stephan Wolfsried
Contribution: Hg 2015-02-05
Locality: Tsumeb Mine / Tsumeb / Oshikoto (Otjikoto), Region / Namibia
Stottit
Views (File:
1404644576
): 915
Stottit
Bildbreite: 3 mm; Fundort: Tsumeb Mine, Tsumeb, Otjikoto Region, Namibia
Copyright: Stephan Wolfsried; Contribution: Hg
Location: Namibia/Oshikoto (Otjikoto), Region/Tsumeb/Tsumeb Mine
Mineral: Stottite
Image: 1404644576
Rating: 8.33 (votes: 3)
License: Usage for Mineralienatlas project only
Stottit

Bildbreite: 3 mm; Fundort: Tsumeb Mine, Tsumeb, Otjikoto Region, Namibia
Copyright: Stephan Wolfsried
Contribution: Hg 2014-07-06
Locality: Tsumeb Mine / Tsumeb / Oshikoto (Otjikoto), Region / Namibia
Stottit
Views (File:
1360657203
): 823
Stottit
Größe: 10 mm; Fundort: Tsumeb Mine, Otjikoto Region, Namibia
Copyright: Crystalclassics.co.uk; Contribution: slugslayer
Location: Namibia/Oshikoto (Otjikoto), Region/Tsumeb/Tsumeb Mine
Mineral: Stottite
Image: 1360657203
License: Usage for Mineralienatlas project only
Stottit

Größe: 10 mm; Fundort: Tsumeb Mine, Otjikoto Region, Namibia
Copyright: Crystalclassics.co.uk
Contribution: slugslayer 2013-02-12
Locality: Tsumeb Mine / Tsumeb / Oshikoto (Otjikoto), Region / Namibia

Collectors Summary

Color braun, farblos, grün
Streak color grauweiß
Hardness (Mohs) 4.5
Crystal System tetragonal, P42/n

Chemism

Chemical formula

Fe2+Ge(OH)6

Chemical composition

Eisen, Germanium, Sauerstoff, Wasserstoff

Unit weight: 230.530462 u; Number of atoms in the formula: 14

Info

Empirical formula:

FeGe(OH)6

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Hydrogen

H

2.62

6

42.86

1.0079470

6.0476820
Oxygen

O

41.64

6

42.86

15.9994300

95.9965800
Iron

Fe

24.22

1

7.14

55.8452000

55.8452000
Germanium

Ge

31.51

1

7.14

72.6410000

72.6410000

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.17-040

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

Classification by Hölzel

4.FD.230

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

06.03.07.01

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)

IMA status

Erstbeschreibung vor CNMNC-Gründung (1959), als Mineral meist anerkannt

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

 Perovskite supergroup  ⇒ Non-stoichiometric perovskites  ⇒ Stottite subgroup

Optical Properties

Color

braun, farblos, grün

Streak color

grauweiß

Diaphaneity (Transparency)

transparent bis durchscheinend

max. Birefringence

0.010
Birefringence chart\! Stottite title=Birefringence chart Stottite

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

1.738

RI value γ / ε

1.728

Ri mean

1.735

2V angle

Uniaxial (-)

Crystallography

Crystal System

tetragonal

Class (H-M)

4/m

Space Group number

86

Space Group

P42/n

Cell parameters a (Å)

7.594

Cell parameters b (Å)

-

Cell parameters c (Å)

7.488

Cell parameters a/b or c/a

0.986

Cell parameters c/b

-

Cell parameters α

90°

Cell parameters β

90°

Cell parameters γ

90°

Z

4

Volumne (ų)

431.824

X-Ray Powder Diffraction

3.767(100),
2.655(80),
2.171(60),
1.886(60),
1.687(70),
1.672(60),
1.538(60),
1.254(60)
XRD chart Stottite

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)

4.5

VHN (Hardness Vickers)

280 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

3.596 - 3.61 / Durchschnittlich = 3.6

3.546 ( ρ calc. Mineralienatlas )

(Co-)Type locality

(Co-)Type locality

Namibia/Oshikoto (Otjikoto), Region/Tsumeb/Tsumeb Mine

Type material

Mineralogische Sammlungen Technische Universität Berlin

Collection number of type material

86/61, 86/62 / Pult 16, 89-1

Paragenesis of type material

Primärerze

Preface

Name from

Christian Stott, einem ehemaligen Bergwerksdirektor in Tsumeb

Author (Name, Year)

Strunz & Söhnge & Geier, 1958

References

Handbook of Mineralogy (Anthony et al.), 3 (1997), 536

IMA group assignments

 
Perovskite supergroup
 
 
 

 
 
Non-stoichiometric perovskites
 
 
 

 
 
 
Stottite subgroup
 
 
 

 
 
 
 
Jeanbandyite
Fe3+Sn(OH)5O
kubisch
Pn3

 
 
 
 
Mopungite
NaSb(OH)6
tetragonal
P42/n

 
 
 
 
Stottite
Fe2+Ge(OH)6
tetragonal
P42/n

 
 
 
 
Tetrawickmanite
Mn2+Sn4+(OH)6
 
 

Refresh list

Actuality: 29. May 2023 - 06:07:22

Other languages

German

Stottit

Spanish

Stottita

English

Stottite

French

Stottite

Russian

Стоттит

Simplified Chinese

羟锗铁矿

CNMNC symbol

Symbol

Sto

Locations with GPS information

IDs

GUSID (Global unique identifier short form) KSkGCzKEHkKdjWIk5sYMyg
GUID (Global unique identifier) 0B062929-8432-421E-9D8D-6224E6C60CCA
Database ID 3653