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Bouazzerite (IMA 2005-042)

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Bouazzerit
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Bouazzerit

gelbgrüne, pulvrige Probe von Bouazzerit auf weißem Trägermaterial, Gang 7, Bou Azzer Mine, Amerzgane, Ouarzazate, Drâa-Tafilalet, Marokko: BB < 1 mm, analysiert

Copyright: MinTreasure.com (Carsten Slotta)
Contribution: openpit 2020-05-06
Locality: Gang 7 / Bou Azzer / Bou Azer (Bou Azzer), Distrikt / Taznakht / Ouarzazate, Provinz / Drâa-Tafilalet, Region / Marokko

Collectors Summary

Color blass apfelgrün
Streak color farblos
Lustre Diamantglanz
Cleavages gut parallel zu Prisma (021), deutlich parallel zu (100)
Fracture uneben
Solubility dehydriert schnell im Vakuum

Chemism

Chem­ical formula

Bi6(Mg,Co)11Fe14(AsO4)18O12(OH)4·86H2O

Chem­ical com­po­si­tion

Arsen, Bismut, Eisen, Kobalt, Magnesium, Sauerstoff, Wasserstoff

Unit weight: 6708.186467475 u; Number of atoms in the formula: 399

Info

Empirical formula:

Bi6(Mg0.75Co0.25)11Fe14(AsO4)18O12(OH)4·86H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

2.64

176

44.11

1.0079470

177.3986720

Oxygen

O

41.50

174

43.61

15.9994300

2,783.9008200

Magnesium

Mg

2.99

8.25

2.07

24.3050600

200.5167450

Iron

Fe

11.65

14

3.51

55.8452000

781.8328000

Cobalt

Co

2.42

2.75

0.69

58.9332009

162.0663025

Arsenic

As

20.10

18

4.51

74.9216020

1,348.5888360

Bismuth

Bi

18.69

6

1.50

208.9803820

1,253.8822920

Strunz 9th edi­tion incl. updates

8.DH.60

8: Phosphate, Arsenate, Vanadate
D: Phosphate, mit weiteren Anionen, mit H2O
H: Mit großen und mittelgroßen [Kationen], (OH, etc.):RO4 < 1:1
60:

Lapis Clas­sifica­tion

VII/D.57-010

VII: PHOSPHATE, ARSENATE UND VANADATE ("Phosphate" des Registers immer einschließlich isotyper Arsenate und Vanadate!)
D: Wasserhaltige Phosphate, mit fremden Anionen
57: Mittelgroße und sehr große Kationen: Al-Mg und Ca-Na-K

Clas­sifica­tion by Hölzel

8.DP.400

8: PHOSPHATES ARSENATES VANADATES
D: Phosphates (+Anions +Water)
P: With other Structures

IMA sta­tus

anerkannt 2005

Min­eral sta­tus

anerkanntes Mineral

Optical Properties

Color

blass apfelgrün

Streak color

farblos

Diaphane­ity (Trans­parency)

durchscheinend

Lus­tre

Diamantglanz

RI value α / ω / n

1.657

RI value γ / ε

1.660

Ri mean

1.650

2V angle

Biaxial

Pleochro­ism

Im Durchlicht sehr schwacher Pleochroismus von gelb nach blassgelb.

Crystallography

Cell param­e­ters a (Å)

13.632

Cell param­e­ters b (Å)

30.469

Cell param­e­ters c (Å)

18.467

Cell param­e­ters a/b or c/a

0.447

Cell param­e­ters c/b

0.606

Cell param­e­ters α

90°

Cell param­e­ters β

91.13

Cell param­e­ters γ

90°

Z

2

Volumne (ų)

7668.8

X-Ray Pow­der Diffrac­tion

15.78(60), 12.45(70), 11.79(100), 10.98(80), 10.16(80), 7.900(80), 3.414(40), 3.153(40)

XRD chart Bouazzerite

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

Crystals 3D

Open larger view

Crystal Structure 3D

Open larger view

Physical Properties

Density (g/cm³)

2.81 berechnet

2.905 ( ρ calc. Mineralienatlas )

Cleav­ages

gut parallel zu Prisma (021), deutlich parallel zu (100)

Frac­ture

uneben

Tenac­ity

sehr spröde

Insta­bil­ity

dehydriert schnell im Vakuum

Preface

Gen­er­a­tion con­di­tions

Das Mineral entstand infolge der Verwitterung eines variscischen hydrothermalen Co-Ni-Ag-Au-Ganges.

Asso­cia­tions

Talmessit, Quarz, Powellit, Gold, Erythrit, Chrom Yukonit, Chalcopyrit, Alumopharmakosiderit

Name from

Typlokalität Bou Azzer

Author (Name, Year)

J. Brugger et al., 2007

References

Mineralien Welt 04/08, Steffen Jahn, Die neuen Mineralien 2007 - 2008

J. Brugger et al., American Mineralogist 92 (2007), S. 1630-1639.

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

Bouazzerite

Bi6(Mg,Co)11Fe14(AsO4)18O12(OH)4·86H2O

8.DH.60

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

Bouazzerite

Bi6(Mg,Co)11Fe14(AsO4)18O12(OH)4·86H2O

VII/D.57-010

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

Bouazzerite

Bi6(Mg,Co)11Fe14(AsO4)18O12(OH)4·86H2O

8.DP.400

Other languages

German

Bouazzerit

Spanish

Bouazzerita

English

Bouazzerite

Russian

Буаззерит

IMA Number

IMA 2005-042

Automatic Links to external internet sources (Responsibility is with the operator)

German pages

DeWikiPedia - search for: Bouazzerit
Google-Bilder-Suche - search for: Bouazzerit
Mineralogisch-Petrographisches-Institut Hamburg - search for: Bouazzerit

English pages

Mindat - search for: Bouazzerite
Webmineral - search for:Bouazzerite
Handbook-of-Mineralogy - search for: Bouazzerite
RRUFF - Raman, XRD and other mineral data - search for: Bouazzerite
RRUFF - References and PDF downloads - search for: Bouazzerite
American-Mineralogist-Crystal-Structure-Database - search for: Bouazzerite
Athena - search for: Bouazzerite

Russian pages

Webmineral.ru - search for: Буаззерит

Mineral Dealer

German pages

hausen - Mineralgroßhandel - search for: Bouazzerit
Crystal-Treasure.com - search for: Bouazzerit
Bosse - search for: Bouazzerit

Locations with GPS information




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