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Bannisterite

Pictures (5 Images total)

rosa Rhodonit mit schwarzen Bannisterit-Kristallen
Views (File:
1134418405
): 5601
rosa Rhodonit mit schwarzen Bannisterit-Kristallen
Größe: 25x20x16mm; Fundort: Broken Hill, New South Wales, Australien
Copyright: Rob Lavinsky; Contribution: Philip Blümner
Location: Australien/New South Wales/Yancowinna Co./Broken Hill
Mineral: Bannisterite, Rhodonite
Image: 1134418405
Rating: 7.67 (votes: 3)
License: Usage for Mineralienatlas project only
rosa Rhodonit mit schwarzen Bannisterit-Kristallen

Größe: 25x20x16mm; Fundort: Broken Hill, New South Wales, Australien

Copyright: Rob Lavinsky
Contribution: Philip Blümner 2005-12-12
Locality: Broken Hill / Yancowinna Co. / New South Wales / Australien
schwarzer Bannisterit
Views (File:
1134414594
): 1425
schwarzer Bannisterit
Größe: 97x52x45mm; Fundort: Broken Hill, NSW, Australien
Copyright: Rob Lavinsky; Contribution: Philip Blümner
Location: Australien/New South Wales/Yancowinna Co./Broken Hill
Mineral: Bannisterite
Image: 1134414594
Rating: 7 (votes: 2)
License: Usage for Mineralienatlas project only
schwarzer Bannisterit

Größe: 97x52x45mm; Fundort: Broken Hill, NSW, Australien

Copyright: Rob Lavinsky
Contribution: Philip Blümner 2005-12-12
Locality: Broken Hill / Yancowinna Co. / New South Wales / Australien
Bannisterit in Bustamit
Views (File:
1267125407
): 1173
Bannisterit in Bustamit
Größe: 20x13 mm; Fundort: North Mine, Broken Hill, New South Wales, Australien
Copyright: John Sobolewski; Contribution: Philip Blümner
Location: Australien/New South Wales/Yancowinna Co./Broken Hill/North Mine (North Broken Hill Mine; NBH Mine)
Mineral: Bannisterite
Image: 1267125407
License: Usage for Mineralienatlas project only
Bannisterit in Bustamit

Größe: 20x13 mm; Fundort: North Mine, Broken Hill, New South Wales, Australien
Copyright: John Sobolewski
Contribution: Philip Blümner 2010-02-25
Locality: North Mine (North Broken Hill Mine; NBH Mine) / Broken Hill / Yancowinna Co. / New South Wales / Australien
Bannisterit
Views (File:
1275218053
): 1063
Bannisterit
Größe: 5,1 x 3,7 x 1,7 cm, Fundort: Zinc Corporation Mine, Broken Hill, New South Wales, Australien
Copyright: Dan Weinrich; Contribution: thdun5
Location: Australien/New South Wales/Yancowinna Co./Broken Hill/Zinc Corporation Mine (ZC Mine)
Mineral: Bannisterite
Image: 1275218053
License: Usage for Mineralienatlas project only
Bannisterit

Größe: 5,1 x 3,7 x 1,7 cm, Fundort: Zinc Corporation Mine, Broken Hill, New South Wales, Australien
Copyright: Dan Weinrich
Contribution: thdun5 2010-05-30
Locality: Zinc Corporation Mine (ZC Mine) / Broken Hill / Yancowinna Co. / New South Wales / Australien
Bannisterit, Rhodonit
Views (File:
1712057189
): 32
Bannisterit, Rhodonit
Gelblicher Bannisterit zusammen mit rosafarbenem Rhodonit von Kurganovskoe bei Jekaterinenburg in Russland. Größe der Probe etwa 38 mm x 22 mm.
Copyright: Klaus Schäfer; Contribution: Klaus Schäfer
Collection: Klaus Schäfer, Collection number: SyS-Bann-3-1-1
Location: Russland/Ural, Föderationskreis/Swerdlowsk (Sverdlovskaya, Sverdlovsk), Oblast/Jekaterinburg/Kurganovo/Kurganovskoe
Mineral: Bannisterite, Rhodonite
Image: 1712057189
License: Usage for Mineralienatlas project only
Bannisterit, Rhodonit (SNr: SyS-Bann-3-1-1)

Gelblicher Bannisterit zusammen mit rosafarbenem Rhodonit von Kurganovskoe bei Jekaterinenburg in Russland. Größe der Probe etwa 38 mm x 22 mm.
Collection: Klaus Schäfer
Copyright: Klaus Schäfer
Contribution: Klaus Schäfer 2024-04-02
Locality: Kurganovskoe / Kurganovo / Jekaterinburg / Swerdlowsk (Sverdlovskaya, Sverdlovsk), Oblast / Ural, Föderationskreis / Russland

Collectors Summary

Color dunkelbraun, schwarz
Hardness (Mohs) 4
Solubility +++ HCl
Crystal System monoklin, A2/a

Chemism

Chemical formula

(Ca,K,Na)(Mn2+,Fe2+,Mg,Zn)10(Si,Al)16O38(OH)8·nH2O

Chemical composition

Aluminium, Calcium, Eisen, Magnesium, Mangan, Natrium, Silicium, Zink, Kalium, Sauerstoff, Wasserstoff

Unit weight: 1771.78533727 u; Number of atoms in the formula: 84

Info

Empirical formula:

(Ca0.6K0.3Na0.1)(Mn0.55Fe0.3Mg0.1Zn0.05)10(Si0.75Al0.25)16O38(OH)8·nH2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Hydrogen

H

0.57

10

11.90

1.0079470

10.0794700
Oxygen

O

42.44

47

55.95

15.9994300

751.9732100
Sodium

Na

0.13

0.1

0.12

22.9897702

2.2989770
Magnesium

Mg

1.37

1

1.19

24.3050600

24.3050600
Aluminium

Al

6.09

4

4.76

26.9815382

107.9261528
Silicon

Si

19.02

12

14.29

28.0855300

337.0263600
Potassium

K

0.66

0.3

0.36

39.0983100

11.7294930
Calcium

Ca

1.36

0.6

0.71

40.0784000

24.0470400
Manganese

Mn

17.05

5.5

6.55

54.9380499

302.1592745
Iron

Fe

9.46

3

3.57

55.8452000

167.5356000
Zinc

Zn

1.85

0.5

0.60

65.4094000

32.7047000

Analysis wt%

SiO2 : 39.67, Al2O3 : 7.95, Fe2O3 : 0.90, MnO : 35.15, CaO : 1.11, Na2O : 2.18, K2O : 2.70, H2O : 9.79 (Ref: Mineralogical Magazine 68)

Strunz 9th edition incl. updates

9.EG.40

9: Silikate (Germanate)
E: Schichtsilikate (Phyllosilikate)
G: Doppelnetze mit sechsfach-Ringen
40:Stilpnomelan-Gruppe

Lapis Classification

VIII/H.17-010

VIII: SILIKATE
H: Schichtsilikate
17: Glimmerartige Schicht-silikate mit Baugruppen [Si4O10] 4- und verwandte Strukturen;

Classification by Hölzel

9.EG.260

9: SILICATES
E: Phyllosilicates
G: Hydrated Micas
2: With Mn

Dana 8th edition

74.01.01.04

74: Phyllosilicates Phyllosilicate Modulated Layers
01: Phyllosilicates Phyllosilicate Modulated Layers with joined islands
01: Stilpnomelane group

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

Optical Properties

Color

dunkelbraun, schwarz

Diaphaneity (Transparency)

durchscheinend

max. Birefringence

0.044
Birefringence chart\! Bannisterite title=Birefringence chart Bannisterite

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

1.544

RI value β

1.586

RI value γ / ε

1.588

Ri mean

1.573

2V angle

Biaxial (-) 20°!

Crystallography

Crystal System

monoklin

Class (H-M)

2/m

Space Group number

15

Space Group

A2/a

Cell parameters a (Å)

22.265

Cell parameters b (Å)

16.368

Cell parameters c (Å)

24.668

Cell parameters a/b or c/a

1.360

Cell parameters c/b

1.507

Cell parameters α

90°

Cell parameters β

94.28

Cell parameters γ

90°

Z

8

Volume (ų)

8964.776

X-Ray Powder Diffraction

12.33(100),
4.1(10),
3.436(20),
3.360(10),
3.077(10),
2.638(10),
2.606(10),
2.410(10)
XRD chart Bannisterite

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

VHN (Hardness Vickers)

190 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

2.83 - 2.84 / Durchschnittlich = 2.83

2.625 ( ρ calc. Mineralienatlas )

Instability

+++ HCl

(Co-)Type locality

(Co-)Type locality

USA/New Jersey/Sussex Co./Franklin Mining District/Franklin

UK/Wales/Conwy (Gwynedd; Caernarvonshire)/Lleyn, Halbinsel/Llanfaelrhys/Rhiw/Benallt Mine

UK/Wales/Gwynedd/Aberdaron/Rhiw/Benallt Manganese Mine

Preface

Author (Name, Year)

Smith & Frondel, 1968

References

Handbook of Mineralogy (Anthony et al.), 2 (1995), 57

Other languages

German

Bannisterit

Spanish

Bannisterita

English

Bannisterite

French

Bannisterite

Russian

Баннистерит

Japanese

ﾊﾞﾆｽﾀｰ石

CNMNC (IMA)-Number

IMA 1967-005

CNMNC symbol

Symbol

Ban

Locations with GPS information

IDs

GUSID (Global unique identifier short form) kB11-4hkzku6jjSRKDaPMQ
GUID (Global unique identifier) FB751D90-6488-4BCE-BA8E-349128368F31
Database ID 280