Arsenbrackebuschite
A valid IMA mineral species
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About Arsenbrackebuschite
Formula:
Pb2Fe3+(AsO4)2(OH)
May rarely contain minor Zn replacing Fe; charge-balance by H2O substituting for OH.
Colour:
Light amber yellow to red brown
Lustre:
Sub-Adamantine, Sub-Vitreous, Resinous, Waxy
Hardness:
4½
Specific Gravity:
6.54 (Calculated)
Crystal System:
Monoclinic
Member of:
Name:
Named by Wolfgang Hofmeister and Ekkehart Tillmanns in 1976 in allusion to this species being the arsenate analogue of brackebuschite.
Unique Identifiers
Mindat ID:
6807
Long-form identifier:
mindat:1:1:6807:5
GUID
(UUID V4):
(UUID V4):
bd25275d-7fef-459f-ba18-0154b0b1d384
IMA Classification of Arsenbrackebuschite
Approved
IMA Formula:
Pb2(Fe3+,Zn)(AsO4)2(OH,H2O)
First published:
1978
Classification of Arsenbrackebuschite
8.BG.05
8 : PHOSPHATES, ARSENATES, VANADATES
B : Phosphates, etc., with additional anions, without H2O
G : With medium-sized and large cations, (OH, etc.):RO4 = 0.5:1
8 : PHOSPHATES, ARSENATES, VANADATES
B : Phosphates, etc., with additional anions, without H2O
G : With medium-sized and large cations, (OH, etc.):RO4 = 0.5:1
40.2.8.2
40 : HYDRATED NORMAL PHOSPHATES,ARSENATES AND VANADATES
2 : AB2(XO4)2·xH2O
40 : HYDRATED NORMAL PHOSPHATES,ARSENATES AND VANADATES
2 : AB2(XO4)2·xH2O
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 |
|---|---|---|
| Abbs | 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 Arsenbrackebuschite
Sub-Adamantine, Sub-Vitreous, Resinous, Waxy
Transparency:
Transparent, Translucent
Colour:
Light amber yellow to red brown
Streak:
Light brownish yellow
Hardness:
4½ on Mohs scale
Tenacity:
Brittle
Cleavage:
Perfect
{010}
{010}
Density:
6.54 g/cm3 (Calculated)
Optical Data of Arsenbrackebuschite
Type:
Biaxial (-)
RI values:
nα = 2.000 nγ = 2.040
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2V:
Measured: 30°
Birefringence:
0.04
Max Birefringence:
δ = 0.040
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:
Moderate
Dispersion:
relatively weak
Comments:
RI difficult to measure; X' < 2.00, Z" > 2.04.
Chemistry of Arsenbrackebuschite
Mindat Formula:
Pb2Fe3+(AsO4)2(OH)
May rarely contain minor Zn replacing Fe; charge-balance by H2O substituting for OH.
May rarely contain minor Zn replacing Fe; charge-balance by H2O substituting for OH.
Crystallography of Arsenbrackebuschite
Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
P2/m
Setting:
P2/m
Cell Parameters:
a = 7.763 Å, b = 6.046 Å, c = 9.022 Å
β = 112.5°
β = 112.5°
Ratio:
a:b:c = 1.284 : 1 : 1.492
Unit Cell V:
391.22 ų (Calculated from Unit Cell)
Z:
2
Morphology:
Wedge-shaped crystals, also elongated.
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) |
|---|---|---|---|---|---|---|---|
| 0015672 | Arsenbrackebuschite | Hofmeister W, Tillmanns E (1978) Strukturelle untersuchungen an arsenbrackebuschit Tschermaks Mineralogische und Petrographische Mitteilungen 25 153-163 | 1978 | Tsumeb, Namibia | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 4.92 Å | (25) |
| 3.68 Å | (25) |
| 3.44 Å | (30) |
| 3.268 Å | (90) |
| 3.02 Å | (100) |
| 3.012 Å | (100) |
| 2.777 Å | (60) |
| 2.313 Å | (30) |
| 2.133 Å | (30) |
Comments:
ICDD 29-1428; strongest lines may appear as a single diffuse line.
Geological Environment
Paragenetic Mode(s):
| Paragenetic Mode | Earliest Age (Ga) |
|---|---|
| Stage 7: Great Oxidation Event | <2.4 |
| 47a : [Near-surface hydration of prior minerals] | |
| 47b : [Sulfates and sulfites] | |
| 47c : [Carbonates, phosphates, borates, nitrates] | |
| 47d : [Arsenates, antimonates, selenates, bismuthinates] |
Type Occurrence of Arsenbrackebuschite
Co-Type Localities:
General Appearance of Type Material:
Flat laths or platelets, with max dimensions 0.5 mm long, 0.2 mm wide, 0.1 mm thick, on fissures in dolomite breccia.
Place of Conservation of Type Material:
Institute for Geosciences, University of Mainz, Mainz, Germany.
Institute for Mineralogy and Crystallography, University of Stuttgart, Stuttgart, Germany, CL1,14.
Institute for Mineralogy and Crystallography, University of Stuttgart, Stuttgart, Germany, CL1,14.
Geological Setting of Type Material:
Oxide zone of a complex polymetallic ore hydrothermal deposit
Associated Minerals at Type Locality:
Reference:
Abraham, K., Kautz, K., Tillmanns, E., Walenta, K. (1978) Arsenbrackebuschite, Pb2(Fe,Zn)(OH,H2O)[AsO4]2, a new arsenate mineral. Neues Jahrbuch für Mineralogie, Monatshefte: 1978: 193-196.
Synonyms of Arsenbrackebuschite
Other Language Names for Arsenbrackebuschite
Russian:Арсенбракебушит
Relationship of Arsenbrackebuschite to other Species
Member of:
Other Members of this group:
| Aldomarinoite | Sr2Mn3+(AsO4)2(OH) | Mon. 2/m : P21/m |
| Arsentsumebite | Pb2Cu(AsO4)(SO4)(OH) | Mon. 2/m : P21/m |
| Bearthite | Ca2Al(PO4)2(OH) | Mon. 2/m : P21/m |
| Brackebuschite | Pb2Mn3+(VO4)2(OH) | Mon. 2/m : P21/m |
| Bushmakinite | Pb2Al(PO4)(VO4)(OH) | Mon. 2/m : P21/m |
| Calderónite | Pb2Fe3+(VO4)2(OH) | Mon. 2/m : P21/m |
| Canosioite | Ba2Fe3+(AsO4)2(OH) | Mon. 2/m : P21/m |
| Feinglosite | Pb2Zn(AsO4)2 · H2O | Mon. 2/m |
| Ferribushmakinite | Pb2Fe3+(PO4)(VO4)(OH) | Mon. 2/m : P21/m |
| Gamagarite | Ba2Fe3+(VO4)2(OH) | Mon. 2/m : P21/m |
| Goedkenite | Sr2Al(PO4)2(OH) | Mon. 2/m : P21/m |
| Grandaite | Sr2Al(AsO4)2(OH) | Mon. 2/m : P21/m |
| Lombardoite | Ba2Mn3+(AsO4)2(OH) | Mon. 2/m : P21/m |
| Tokyoite | Ba2Mn3+(VO4)2(OH) | Mon. 2/m : P21/m |
| Tsumebite | Pb2Cu(PO4)(SO4)(OH) | Mon. 2/m : P21/m |
| Unnamed (possible ordered As-analogue of Tokyoite) | Ba2Mn[(As,V)O4]2(OH) | Mon. 2/m : P21/m |
Common Associates
Associated Minerals Based on Photo Data:
| 9 photos of Arsenbrackebuschite associated with Mimetite | Pb5(AsO4)3Cl |
| 8 photos of Arsenbrackebuschite associated with Segnitite | PbFe3+3AsO4(AsO3OH)(OH)6 |
| 7 photos of Arsenbrackebuschite associated with Beudantite | PbFe3(AsO4)(SO4)(OH)6 |
| 7 photos of Arsenbrackebuschite associated with Carminite | PbFe3+2(AsO4)2(OH)2 |
| 3 photos of Arsenbrackebuschite associated with Smithsonite | ZnCO3 |
| 2 photos of Arsenbrackebuschite associated with Tsumcorite | PbZn2(AsO4)2 · 2H2O |
| 2 photos of Arsenbrackebuschite associated with Duftite | PbCu(AsO4)(OH) |
| 2 photos of Arsenbrackebuschite associated with Adamite | Zn2(AsO4)(OH) |
| 2 photos of Arsenbrackebuschite associated with Calcite | CaCO3 |
| 1 photo of Arsenbrackebuschite associated with Cerussite | PbCO3 |
Related Minerals - Strunz-mindat Grouping
| 8.BG. | Canosioite | Ba2Fe3+(AsO4)2(OH) |
| 8.BG. | Aldomarinoite | Sr2Mn3+(AsO4)2(OH) |
| 8.BG. | Dongchuanite | Pb4ZnZn2(PO4)4(OH)2 |
| 8.BG. | Cuprodongchuanite | Pb4CuZn2(PO4)4(OH)2 |
| 8.BG.05 | Arsentsumebite | Pb2Cu(AsO4)(SO4)(OH) |
| 8.BG.05 | Bearthite | Ca2Al(PO4)2(OH) |
| 8.BG.05 | Brackebuschite | Pb2Mn3+(VO4)2(OH) |
| 8.BG.05 | Gamagarite | Ba2Fe3+(VO4)2(OH) |
| 8.BG.05 | Goedkenite | Sr2Al(PO4)2(OH) |
| 8.BG.05 | UM1994-19-PO:CuHMoPb | Pb2Cu(PO4)(MoO4,AsO4,CrO4,GaO4)(OH) |
| 8.BG.05 | Tsumebite | Pb2Cu(PO4)(SO4)(OH) |
| 8.BG.05 | Feinglosite | Pb2Zn(AsO4)2 · H2O |
| 8.BG.05 | Bushmakinite | Pb2Al(PO4)(VO4)(OH) |
| 8.BG.05 | Tokyoite | Ba2Mn3+(VO4)2(OH) |
| 8.BG.05 | Calderónite | Pb2Fe3+(VO4)2(OH) |
| 8.BG.05 | Ferribushmakinite | Pb2Fe3+(PO4)(VO4)(OH) |
| 8.BG.05 | Lombardoite | Ba2Mn3+(AsO4)2(OH) |
| 8.BG.05 | Unnamed (possible ordered As-analogue of Tokyoite) | Ba2Mn[(As,V)O4]2(OH) |
| 8.BG.10 | Mélonjosephite | CaFe2+Fe3+(PO4)2(OH) |
| 8.BG.15 | Tancoite | LiNa2Al(PO4)(PO3OH)(OH) |
| 8.BG.20 | Dmisokolovite | K3Cu5AlO2(AsO4)4 |
| 8.BG.25 | Shchurovskyite | K2CaCu6O2(AsO4)4 |
| 8.BG.30 | Wrightite | K2Al2O(AsO4)2 |
| 8.BG.35 | Polyarsite | Na7CaMgCu2(AsO4)4F2Cl |
Fluorescence of Arsenbrackebuschite
Not fluorescent.
Other Information
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 Arsenbrackebuschite
mindat.org URL:
https://www.mindat.org/min-6807.html
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References for Arsenbrackebuschite
Reference List:
Cámara, F., Bittarello, E., Ciriotti, M. E., Nestola, F., Radica, F., Massimi, F., Balestra, C., Bracco, R. (2017) As-bearing new mineral species from Valletta mine, Maira Valley, Piedmont, Italy: III. Canosioite, Ba2Fe3+(AsO4)2(OH), description and crystal structure. Mineralogical Magazine, 81 (2) 305-317 doi:10.1180/minmag.2016.080.097
Localities for Arsenbrackebuschite
symbol to view information about a locality.
The 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).
All localities listed without proper references should be considered as questionable.
Austria | |
| Pichler (2003) |
| Auer et al. (2015) |
| Tomazic (1999) |
| Poeverlein |
| Schnorrer et al. (2002) |
France | |
| Uwe Kolitsch (EDS analysis) |
| 54 (in German) +1 other reference | |
| Favreau G. et al. (1996) |
Germany | |
| Lapis 23 (12) |
| Fortschr.Mineral. (1976) +2 other references |
| Lapis 21 (12) |
| S Wolfsried collection |
| Lapis 25 (2) |
| Schlegel (2001) |
Indonesia | |
| Mineralium Deposita (2005) |
Mexico | |
| Robert Meyer. ID by Marcus Origlieri |
Namibia (TL) | |
| Fortschr. Mineral. (1976) +2 other references |
South Africa | |
| Atanasova et al. (2016) |
| Costin et al. (2014) |
Spain | |
| Rewitzer et al. (2018) |
USA | |
| Species confirmed by Paul Adams using Raman Spectroscopy. (Personal communication November 2019) |
| www.mineralsocal.org |
| Collection of J.Dagenais |
| Silver Coin Mine. Compact Disc. Paul ... |
| Collected by and in the collection of ... |
| Anthony et al. (2000) |
| Handbook of Mineralogy: ... +1 other reference |
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Clara Mine, Oberwolfach, Ortenaukreis, Freiburg Region, Baden-Württemberg, Germany