Buttgenbachite
A valid IMA mineral species - grandfathered
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About Buttgenbachite
Formula:
Cu19(NO3)2(OH)32Cl4 · 2H2O
Colour:
Deep blue; blue in transmitted light.
Lustre:
Vitreous
Hardness:
3
Crystal System:
Hexagonal
Name:
Named in 1925 by A. Schoep for Henri Buttgenbach (Verviers, Liège province, Belgium February 5, 1874 - Sint-Pieters-Woluwe, Brussels, April 29, 1964), a Belgian mineralogist. He worked in Congo, and from 1921 on was a professor at the University of Liège. He described several minerals and wrote 'Les minéraux de Belgique et de Congo Belge', a reference work.
Type Locality:
Unique Identifiers
Mindat ID:
811
Long-form identifier:
mindat:1:1:811:4
GUID
(UUID V4):
(UUID V4):
19248b7a-230e-4de9-8afa-31c2f68bab20
IMA Classification of Buttgenbachite
Approved, 'Grandfathered' (first described prior to 1959)
IMA Formula:
Cu36(NO3)2Cl8(OH)62 · nH2O
Classification of Buttgenbachite
3.DA.25
3 : HALIDES
D : Oxyhalides, hydroxyhalides and related double halides
A : With Cu, etc., without Pb
3 : HALIDES
D : Oxyhalides, hydroxyhalides and related double halides
A : With Cu, etc., without Pb
Dana 7th ed.:
19.2.2.1
19.1.2.1
19 : NITRATES CONTAINING HYDROXYL OR HALOGEN
1 : Anhydrous Nitrates Containing Hydroxyl or Halogen
19 : NITRATES CONTAINING HYDROXYL OR HALOGEN
1 : Anhydrous Nitrates Containing Hydroxyl or Halogen
13.7
13 : Nitrates
13 : Nitrates
Mineral Symbols
As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
Symbol | Source | Reference |
---|---|---|
Bba | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Physical Properties of Buttgenbachite
Vitreous
Transparency:
Translucent
Colour:
Deep blue; blue in transmitted light.
Streak:
Light blue
Hardness:
3 on Mohs scale
Optical Data of Buttgenbachite
Type:
Uniaxial (+)
RI values:
nω = 1.738 nε = 1.752
Max Birefringence:
δ = 0.014
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
and does not take into account mineral colouration.
Surface Relief:
High
Pleochroism:
Non-pleochroic
Chemistry of Buttgenbachite
Mindat Formula:
Cu19(NO3)2(OH)32Cl4 · 2H2O
Crystallography of Buttgenbachite
Crystal System:
Hexagonal
Class (H-M):
6/mmm (6/m 2/m 2/m) - Dihexagonal Dipyramidal
Space Group:
P63/mmc
Cell Parameters:
a = 15.75 Å, c = 9.161 Å
Ratio:
a:c = 1 : 0.582
Unit Cell V:
1968.04 ų
Z:
1
Morphology:
Crystals acicular [0001] and striated [0001]; radiating groups of needles; felted aggregates.
Crystal Structure
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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure
ID | Species | Reference | Link | Year | Locality | Pressure (GPa) | Temp (K) |
---|---|---|---|---|---|---|---|
0014460 | Buttgenbachite | Fanfani L, Nunzi A, Zanazzi P F, Zanzari A R (1973) The crystal structure of buttgenbachite Mineralogical Magazine 39 264-270 | 1973 | Likasi, Congo | 0 | 293 | |
0018302 | Buttgenbachite | Hibbs D E, Leverett P, Williams P A (2003) A single crystal X-ray study of a sulphate-bearing buttgenbachite, Cu36Cl7.8(NO3)1.3(SO4)0.35(OH)62.2*5.2H2O, and a re-examination of the crystal chemistry of the buttgenbachite-connellite series Mineralogical Magazine 67 47-60 | 2003 | Likasi, Democratic Republic of Congo | 0 | 100 | |
0018303 | Buttgenbachite | Hibbs D E, Leverett P, Williams P A (2003) A single crystal X-ray study of a sulphate-bearing buttgenbachite, Cu36Cl7.8(NO3)1.3(SO4)0.35(OH)62.2.5.2H2O, and a re-examination of the crystal chemistry of the buttgenbachite-connellite series Mineralogical Magazine 67 47-60 | 2003 | Likasi, Democratic Republic of Congo | 0 | 288 | |
0014920 | Buttgenbachite | Hibbs D E, Leverett P, Williams P A (2002) Buttgenbachite from Bisbee, Arizona, USA: A single-crystal X-ray study Neues Jahrbuch fur Mineralogie, Monatshefte 2002 225-240 | 2002 | Bisbee, Arizona, USA | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
Powder Diffraction Data:
d-spacing | Intensity |
---|---|
13.70 Å | (100) |
7.95 Å | (100) |
3.27 Å | (70) |
2.75 Å | (100) |
2.51 Å | (70) |
2.30 Å | (100) |
1.621 Å | (90) |
Geological Environment
Paragenetic Mode(s):
Paragenetic Mode | Earliest Age (Ga) |
---|---|
Stage 7: Great Oxidation Event | <2.4 |
47a : [Near-surface hydration of prior minerals] | |
47c : [Carbonates, phosphates, borates, nitrates] | |
47g : [Halogen-bearing surface weathering minerals] | |
Stage 10a: Neoproterozoic oxygenation/terrestrial biosphere | <0.6 |
53 : Other minerals with taphonomic origins | <0.4 |
Stage 10b: Anthropogenic minerals | <10 Ka |
56 : Slag and smelter minerals (see also #51 and #55) |
Type Occurrence of Buttgenbachite
Place of Conservation of Type Material:
Laboratory of Mineralogy, University of Liège.
Other Language Names for Buttgenbachite
Relationship of Buttgenbachite to other Species
Forms a series with:
Common Associates
Associated Minerals Based on Photo Data:
20 photos of Buttgenbachite associated with Cuprite | Cu2O |
14 photos of Buttgenbachite associated with Malachite | Cu2(CO3)(OH)2 |
8 photos of Buttgenbachite associated with Gerhardtite | Cu2(NO3)(OH)3 |
6 photos of Buttgenbachite associated with Chrysocolla | Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1 |
3 photos of Buttgenbachite associated with Calcite | CaCO3 |
2 photos of Buttgenbachite associated with Brochantite | Cu4(SO4)(OH)6 |
2 photos of Buttgenbachite associated with Paramelaconite | Cu1+2Cu2+2O3 |
2 photos of Buttgenbachite associated with Rouaite | Cu2(NO3)(OH)3 |
1 photo of Buttgenbachite associated with Claringbullite | Cu4ClF(OH)6 |
Related Minerals - Strunz-mindat Grouping
3.DA. | Centennialite | CaCu3Cl2(OH)6 · nH2O (n ~ 0.7) |
3.DA. | Muonionalustaite | Ni3(OH)4Cl2 · 4H2O |
3.DA. | Parahibbingite | Fe2(OH)3Cl |
3.DA. | Bounahasite | Cu+Cu2+2(OH)3Cl2 |
3.DA.05 | Melanothallite | Cu2Cl2O |
3.DA.10a | Atacamite | Cu2(OH)3Cl |
3.DA.10b | Botallackite | Cu2(OH)3Cl |
3.DA.10b | Clinoatacamite | Cu2(OH)3Cl |
3.DA.10a | Hibbingite | Fe2+2(OH)3Cl |
3.DA.10a | Kempite | Mn2+2(OH)3Cl |
3.DA.10c | Kuliginite | Fe3Mg(OH)6Cl2 |
3.DA.10c | Paratacamite | Cu3(Cu,Zn)(OH)6Cl2 |
3.DA.10b | Belloite | Cu(OH)Cl |
3.DA.10c | Herbertsmithite | Cu3Zn(OH)6Cl2 |
3.DA.10c | Kapellasite | Cu3Zn(OH)6Cl2 |
3.DA.10c | Gillardite | Cu3Ni(OH)6Cl2 |
3.DA.10c | Haydeeite | Cu3Mg(OH)6Cl2 |
3.DA.10c | Leverettite | Cu3Co(OH)6Cl2 |
3.DA.10c | Paratacamite-(Ni) | Cu3(Ni,Cu)(OH)6Cl2 |
3.DA.10c | Tondiite | Cu3Mg(OH)6Cl2 |
3.DA.10c | Misakiite | Cu3Mn(OH)6Cl2 |
3.DA.10b | Iyoite | MnCuCl(OH)3 |
3.DA.10b | Unnamed (Cu-Zn Chloride Hydroxide) | CuZnCl(OH)3 |
3.DA.15 | Claringbullite | Cu4ClF(OH)6 |
3.DA.15 | Barlowite | Cu4BrF(OH)6 |
3.DA.20 | Simonkolleite | Zn5Cl2(OH)8 · H2O |
3.DA.25 | Connellite | Cu19(SO4)(OH)32Cl4 · 3H2O |
3.DA.30 | Abhurite | Sn21Cl16(OH)14O6 |
3.DA.35 | Ponomarevite | K4Cu4Cl10O |
3.DA.40 | Anthonyite | Cu(OH,Cl)2 · 3H2O |
3.DA.40 | Calumetite | CaCu4(OH)8Cl2 · 3.5H2O |
3.DA.45 | Khaidarkanite | Cu4Al3(OH)14F3 · 2H2O |
3.DA.50 | Bobkingite | Cu5Cl2(OH)8 · 2H2O |
3.DA.55 | Avdoninite | K2Cu5(OH)4Cl8 · H2O |
3.DA.60 | Droninoite | Ni6Fe3+2(OH)16Cl2 · 4H2O |
3.DA.70 | Chrysothallite | K6Cu6Tl3+Cl17(OH)4 · H2O |
3.DA.70 | Dioskouriite | CaCu4Cl6(OH)4 · 4H2O |
3.DA.75 | Feodosiyite | Cu11Mg2Cl18(OH)8 · 16H2O |
3.DA.80 | Romanorlovite | K8Cu6Cl17(OH)3 |
Other Information
Notes:
Soluble in acids and in ammonium hydroxide. Insoluble in water.
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Internet Links for Buttgenbachite
mindat.org URL:
https://www.mindat.org/min-811.html
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External Links:
References for Buttgenbachite
Reference List:
Bannister, F. A., Hey, Max H., Claringbull, G. F. (1950) Connellite, buttgenbachite, and tallingite. Mineralogical Magazine and Journal of the Mineralogical Society, 29 (211) 280-286 doi:10.1180/minmag.1950.029.211.04
Fanfani, L., Nunzi, A., Zanazzi, P. F., Zanzari, A. R. (1973) The crystal structure of buttgenbachite. Mineralogical Magazine, 39 (303) 264-270 doi:10.1180/minmag.1973.039.303.02
Hibbs, David E., Leverett, Peter, Williams, Peter A. (2002) Buttgenbachite from Bisbee, Arizona, USA: a single-crystal X-ray study. Neues Jahrbuch für Mineralogie - Monatshefte, 2002 (5) 225-240 doi:10.1127/0028-3649/2002/2002-0225
Hibbs, D. E., Leverett, P., Williams, P. A. (2003) A single crystal X-ray study of a sulphate-bearing buttgenbachite, Cu36Cl7.8(NO3)1.3(SO4)0.35(OH)62.2.5.2H2O, and a re-examination of the crystal chemistry of the buttgenbachite-connellite series. Mineralogical Magazine, 67 (1) 47-60 doi:10.1180/0026461036710083
Localities for Buttgenbachite
Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
ⓘ - Click for references and further information on this occurrence.
? - Indicates mineral may be doubtful at this locality.
- Good crystals or important locality for species.
- World class for species or very significant.
(TL) - Type Locality for a valid mineral species.
(FRL) - First Recorded Locality for everything else (eg varieties).
Struck out - Mineral was erroneously reported from this locality.
Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).
All localities listed without proper references should be considered as questionable.
All localities listed without proper references should be considered as questionable.
Australia | |
| Handbook of Mineralogy Vol V |
Sharpe et al. (2000) | |
DR Congo | |
| Lapis 17 (3) |
| Deliens (1996) |
| Palache et al. (1951) +2 other references |
| Personal communication from Jasun ... |
Joy Desor (Raman analysis) +1 other reference | |
Italy | |
| Francesco Bonotti Collection |
Norway | |
| Witsø (1995) |
UK | |
| Golley et al. (1995) |
USA | |
| Hibbs et al. (2006) |
| Hibbs et al. (2006) |
| Williams et al. (1963) +1 other reference |
Williams et al. (1963) +1 other reference | |
| Morris Jr. (1983) |
Rosemeyer (2007) | |
Heinrich et al. (2004) | |
| Castor et al. (2004) |
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Likasi Mine, Likasi, Haut-Katanga, DR Congo