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Buttgenbachite

Pictures (3 Images total)

Buttgenbachit auf Cuprit
Views (File:
1283091051
): 2408
Buttgenbachit auf Cuprit
Größe: 44x38 mm; Fundort: Likasi, Provinz Katanga, Demokratische Republik Kongo
Copyright: Rock Currier; Contribution: Philip Blümner
Location: Demokratische Republik Kongo/Katanga (Shaba), Provinz/Ober-Katanga (Haut-Katanga), Distrikt/Likasi
Mineral: Buttgenbachite
Image: 1283091051
Rating: 5 (votes: 2)
License: Usage for Mineralienatlas project only
Buttgenbachit auf Cuprit

Größe: 44x38 mm; Fundort: Likasi, Provinz Katanga, Demokratische Republik Kongo
Copyright: Rock Currier
Contribution: Philip Blümner 2010-08-29
Locality: Likasi / Ober-Katanga (Haut-Katanga), Distrikt / Katanga (Shaba), Provinz / Demokratische Republik Kongo
Buttgenbachit
Views (File:
1281723813
): 1354
Buttgenbachit
Größe: 02x02 mm; Fundort: Likasi, Provinz Katanga, Demokratische Republik Kongo
Copyright: Luigi Chiappino; Contribution: Philip Blümner
Location: Demokratische Republik Kongo/Katanga (Shaba), Provinz/Ober-Katanga (Haut-Katanga), Distrikt/Likasi
Mineral: Buttgenbachite
Image: 1281723813
Rating: 4.33 (votes: 3)
License: Usage for Mineralienatlas project only
Buttgenbachit

Größe: 02x02 mm; Fundort: Likasi, Provinz Katanga, Demokratische Republik Kongo
Copyright: Luigi Chiappino
Contribution: Philip Blümner 2010-08-13
Locality: Likasi / Ober-Katanga (Haut-Katanga), Distrikt / Katanga (Shaba), Provinz / Demokratische Republik Kongo
Buttgenbachit xx
Views (File:
1607270004
): 398
Buttgenbachit xx
mit Cuprit und Brochantit; Tenke-Fungurume,Kolwezi/Lualaba,Rep.Kongo; Bildbreite 7,0 mm
Copyright: Haubi; Contribution: Haubi
Collection: Haubi
Location: Demokratische Republik Kongo/Katanga (Shaba), Provinz/Lualaba, Distrikt/Kolwezi, Revier/Tenke-Fungurume Gebiet
Mineral: Buttgenbachite
Image: 1607270004
License: Usage for Mineralienatlas project only
Buttgenbachit xx

mit Cuprit und Brochantit; Tenke-Fungurume,Kolwezi/Lualaba,Rep.Kongo; Bildbreite 7,0 mm
Collection: Haubi
Copyright: Haubi
Contribution: Haubi 2020-12-06
Locality: Tenke-Fungurume Gebiet / Kolwezi, Revier / Lualaba, Distrikt / Katanga (Shaba), Provinz / Demokratische Republik Kongo

You find additional specimen at the Geolitho Museum

Collectors Summary

Color azurblau, blau
Streak color hellblau
Hardness (Mohs) 3
Solubility +++ Säuren, NH4OH, - H2O
Crystal System hexagonal, P63/mmc

Chemism

Chemical formula

Cu36(NO3)2Cl6(OH)64·nH2O

Chemical composition

Chlor, Kupfer, Sauerstoff, Stickstoff, Wasserstoff

Unit weight: 3730.883472 u; Number of atoms in the formula: 181

Info

Empirical formula:

Cu36(NO3)2Cl6(OH)64·nH2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Hydrogen

H

1.78

66

36.46

1.0079470

66.5245020
Nitrogen

N

0.75

2

1.10

14.0067200

28.0134400
Oxygen

O

30.45

71

39.23

15.9994300

1,135.9595300
Chlorine

Cl

5.70

6

3.31

35.4532000

212.7192000
Copper

Cu

61.32

36

19.89

63.5463000

2,287.6668000

Analysis wt%

CuO : 71.56, Cl : 6.02, N2O5 : 5.40, H2O : 17.34 (Ref: Dana, 7th ed. 2)

Strunz 9th edition incl. updates

3.DA.25

3: Halide (Fluoride, Chloride, Bromide, Iodide)
D: Oxihalide, Hydroxyhalide und verwandte Doppel-Halide
A: Mit [Cu], etc., ohne [Pb]
25:Buttgenbachit-Gruppe

Lapis Classification

III/D.03-030

III: HALOGENIDE (Fluoride, Chloride, Bromide, Jodide)
D: Oxihalogenide
3: Oxihalogenide mit Mg-Mn-Cu-Zn-Sn

Classification by Hölzel

3.CD.100

3: HALIDES
C: Simple Halides with (O,OH)
D: With OH, H2O and other Anions

Dana 8th edition

19.01.02.01

19: Nitrates - Hydroxyl or Halogen
01: Nitrates - Hydroxyl or Halogen with miscellaneous formulae

IMA status

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

Mineral status

anerkanntes Mineral

Optical Properties

Color

azurblau, blau

Streak color

hellblau

Diaphaneity (Transparency)

durchscheinend

max. Birefringence

0.014
Birefringence chart\! Buttgenbachite title=Birefringence chart Buttgenbachite

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

1.752

Ri mean

1.743

2V angle

Uniaxial (+)

Crystallography

Crystal System

hexagonal

Class (H-M)

6/mmm

Space Group number

194

Space Group

P63/mmc

Cell parameters a (Å)

15.739

Cell parameters b (Å)

-

Cell parameters c (Å)

9.127

Cell parameters a/b or c/a

0.580

Cell parameters c/b

-

Cell parameters α

90°

Cell parameters β

90°

Cell parameters γ

120°

Z

1

Volume (ų)

1958.001

X-Ray Powder Diffraction

13.70(100),
7.95(100),
3.27(70),
2.75(100),
2.51(70),
2.30(100),
1.621(90)
XRD chart Buttgenbachite

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)

3

VHN (Hardness Vickers)

83 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

3.42

3.164 ( ρ calc. Mineralienatlas )

Instability

+++ Säuren, NH4OH, - H2O

(Co-)Type locality

(Co-)Type locality

Demokratische Republik Kongo/Katanga (Shaba), Provinz/Ober-Katanga (Haut-Katanga), Distrikt/Likasi/Likasi (Panda) Mine

Preface

Name from

Henri Buttgenbach (1874 - 1964), belgischer Mineraoge; er arbeitete im Kongo und später als Professor für Mineralogie an der Universität Lüttich

Author (Name, Year)

Schoep, 1925

References

Mineralogical Magazine 67 (2003), 47.

Steckbrief Buttgenbachit. Lapis Jhg. 47, Nr. 11 (2022) S. 9-11.

Other languages

German

Buttgenbachit

Spanish

Buttgenbachita

English

Buttgenbachite

French

Buttgenbachite

Russian

Буттгенбахит

CNMNC symbol

Symbol

Bba

Locations with GPS information

IDs

GUSID (Global unique identifier short form) lXPg7eoU9kSFj6Z7qxZ7Xw
GUID (Global unique identifier) EDE07395-14EA-44F6-858F-A67BAB167B5F
Database ID 538