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Brindleyite

Pictures (2 Images total)

Brindleyit
Views (File:
1579426661
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Brindleyit
feinkristalline Krusten von Brindleyit, Tsumeb, Namibia, BB < 1 mm, analysiert mittels REM-EDX und XRD
Copyright: Joy Desor; Contribution: openpit
Location: Namibia/Oshikoto (Otjikoto), Region/Tsumeb
Mineral: Brindleyite
Image: 1579426661
License: Usage for Mineralienatlas project only
Brindleyit  E
Analysed with energy dispersive X-ray spectroscopy EDX
X
Analysed with X-ray diffraction XRD

feinkristalline Krusten von Brindleyit, Tsumeb, Namibia, BB < 1 mm, analysiert mittels REM-EDX und XRD
Copyright: Joy Desor
Contribution: openpit 2020-01-19
Locality: Tsumeb / Oshikoto (Otjikoto), Region / Namibia
Brindleyit, blockig, blaßgrün
Views (File:
1707656288
): 43
Brindleyit, blockig, blaßgrün
Deutschland/Rheinland-Pfalz/Mayen-Koblenz-Kreis/Vordereifel, Verbandsgemeinde/Ettringen/Bellerberg/Ettringer Bellerberg (Stbr. Caspar), BB = 2,2 mm
Copyright: Hannes Osterhammer; Contribution: Münchener Micromounter
Collection: Lithothek der Münchener Micromounter, Collection number: B007583, Donator: Horst Geuer
Location: Deutschland/Rheinland-Pfalz/Mayen-Koblenz-Kreis/Vordereifel, Verbandsgemeinde/Ettringen/Bellerberg/Ettringer Bellerberg (Stbr. Caspar)
Mineral: Brindleyite
Image: 1707656288
License: Usage for Mineralienatlas project only
Brindleyit, blockig, blaßgrün (SNr: B007583)

Deutschland/Rheinland-Pfalz/Mayen-Koblenz-Kreis/Vordereifel, Verbandsgemeinde/Ettringen/Bellerberg/Ettringer Bellerberg (Stbr. Caspar), BB = 2,2 mm
Collection: Lithothek der Münchener Micromounter
Copyright: Hannes Osterhammer
Contribution: Münchener Micromounter 2024-02-11
Locality: Ettringer Bellerberg (Stbr. Caspar) / Bellerberg / Ettringen / Vordereifel, Verbandsgemeinde / Mayen-Koblenz-Kreis / Rheinland-Pfalz / Deutschland

You find additional specimen at the Geolitho Museum

Collectors Summary

Color gelbgrün
Streak color hellgrün
Hardness (Mohs) 2.75
Crystal System monoklin,

Chemism

Chemical formula

(Ni,Mg,Fe2+)2Al(SiAl)O5(OH)4

Chemical composition

Aluminium, Eisen, Magnesium, Nickel, Silicium, Sauerstoff, Wasserstoff

Unit weight: 326.2594444 u; Number of atoms in the formula: 18

Info

Empirical formula:

(Ni0.6Mg0.3Fe0.1)2Al(SiAl)O5(OH)4

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Hydrogen

H

1.24

4

22.22

1.0079470

4.0317880
Oxygen

O

44.14

9

50.00

15.9994300

143.9948700
Magnesium

Mg

4.47

0.6

3.33

24.3050600

14.5830360
Aluminium

Al

16.54

2

11.11

26.9815382

53.9630764
Silicon

Si

8.61

1

5.56

28.0855300

28.0855300
Iron

Fe

3.42

0.2

1.11

55.8452000

11.1690400
Nickel

Ni

21.59

1.2

6.67

58.6934200

70.4321040

Analysis wt%

SiO2 : 23.61, TiO2 : 0.99, Al2O3 : 23.39, Fe2O3 : 0.45, FeO : 3.40, NiO : 29.65, MgO : 3.17, H2O : 12.44, CuO : 0.70, Ln2O3 : 0.65 (Ref: American Mineralogist 78)

Strunz 9th edition incl. updates

9.ED.15

9: Silikate (Germanate)
E: Schichtsilikate (Phyllosilikate)
D: Schichtsilikate (Phyllosilikate) mit [Kaolinit]-Schichten, zusammengesetzt aus tetrahedralen oder octahedralen Netzen
15:Serpentin-Gruppe

Lapis Classification

VIII/H.27-170

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

Classification by Hölzel

9.EM.110

9: SILICATES
E: Phyllosilicates
M: Serpentine-Group
1: Berthierine-Group

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

 Kaolinite-Serpentine Group  ⇒ Serpentine subgroup

Optical Properties

Color

gelbgrün

Streak color

hellgrün

Diaphaneity (Transparency)

transparent bis durchscheinend

RI value α / ω / n

1.635

Ri mean

1.635

2V angle

Biaxial

Crystallography

Crystal System

monoklin

Cell parameters a (Å)

5.286

Cell parameters b (Å)

9.133

Cell parameters c (Å)

7.31

Cell parameters a/b or c/a

0.579

Cell parameters c/b

0.800

Cell parameters α

90°

Cell parameters β

104.15

Cell parameters γ

90°

Z

2

Volume (ų)

342.198

X-Ray Powder Diffraction

7.07(100),
4.54(10),
3.54(80),
2.62(20),
2.47(20),
2.37(20),
2.01(10),
1.524(20)
XRD chart Brindleyite

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

Crystals 3D

Open larger view

Physical Properties

Hardness (Mohs)

2.75

VHN (Hardness Vickers)

68 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

3.17

3.166 ( ρ calc. Mineralienatlas )

(Co-)Type locality

(Co-)Type locality

Griechenland/Attika (Attikí, Attica)/West Attika, Distrikt/Megara/Marmara Bauxit-Lagerstätte

Preface

Author (Name, Year)

Maksimovic & Bish, 1978

References

American Mineralogist 63 (1978), 484

IMA group assignments

 
Kaolinite-Serpentine Group
 
 
 

 
 
Serpentine subgroup
 
monoklin
 

 
 
 
Amesite
Mg2Al(SiAl)O5(OH)4
triklin
C1

 
 
 
Antigorite
(Mg,Fe2+)3Si2O5(OH)4
monoklin
Cm

 
 
 
Berthierine
(Fe2+,Fe3+,Al)3(Si,Al)2O5(OH)4
monoklin
C2/m

 
 
 
Brindleyite
(Ni,Mg,Fe2+)2Al(SiAl)O5(OH)4
monoklin
 

 
 
 
Caryopilite
Mn2+3Si2O5(OH)4
monoklin
Cm

 
 
 
Chrysotile
Mg3Si2O5(OH)4
 
 

 
 
 
Cronstedtite
Fe22+Fe3+(SiFe3+)O5(OH)4
trigonal
P31m

 
 
 
Fraipontite
(Zn,Al)3(Si,Al)2O5(OH)4
monoklin
 

 
 
 
Guidottiite
Mn2Fe3+(SiFe3+)O5(OH)4
hexagonal
P63

 
 
 
Kellyite
(Mn2+,Mg,Al)3(Si,Al)2O5(OH)4
hexagonal
P63

 
 
 
Lizardite
Mg3Si2O5(OH)4
monoklin
Cm

 
 
 
Népouite
(Ni,Mg)3Si2O5(OH)4
orthorhombisch
Ccm21

 
 
 
Pecoraite
Ni3Si2O5(OH)4
monoklin
 

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Actuality: 02. Oct 2024 - 03:24:48

Other languages

German

Brindleyit

Spanish

Brindleyita

French

Brindleyite

English

Brindleyite

Russian

Бриндлейит

Alternative Name

German

Nimesit

Spanish

Nimesita

English

Nimesite

CNMNC (IMA)-Number

IMA 1975-009a

CNMNC symbol

Symbol

Bly

Locations with GPS information

IDs

GUSID (Global unique identifier short form) i07t8E-nH0e7NFArisaE8A
GUID (Global unique identifier) F0ED4E8B-A74F-471F-BB34-502B8AC684F0
Database ID 498