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Arsenbrackebuschite

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About ArsenbrackebuschiteHide

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:
Specific Gravity:
6.54 (Calculated)
Crystal System:
Monoclinic
Name:
Named by Wolfgang Hofmeister and Ekkehart Tillmanns in 1976 in allusion to this species being the arsenate analogue of brackebuschite.
May be confused with mawbyite and carminite, which are also Pb-Fe-arsenates, but with a much lower Pb content.


Classification of ArsenbrackebuschiteHide

Approved
First published:
1978
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
40.2.8.2

40 : HYDRATED NORMAL PHOSPHATES,ARSENATES AND VANADATES
2 : AB2(XO4)2·xH2O

Physical Properties of ArsenbrackebuschiteHide

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}
Density:
6.54 g/cm3 (Calculated)

Optical Data of ArsenbrackebuschiteHide

Type:
Biaxial (-)
RI values:
nα = 2.000 nγ = 2.040
Warning: number_format() expects parameter 1 to be float, string given in /home/mindat/www/show_class.php on line 4295
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.
Surface Relief:
Moderate
Dispersion:
relatively weak
Comments:
RI difficult to measure; X' < 2.00, Z" > 2.04

Chemical Properties of ArsenbrackebuschiteHide

Formula:
Pb2Fe3+(AsO4)2(OH)

May rarely contain minor Zn replacing Fe; charge-balance by H2O substituting for OH.
IMA Formula:
Pb2(Fe3+,Zn)(AsO4)2(OH,H2O)

Crystallography of ArsenbrackebuschiteHide

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°
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 StructureHide

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IDSpeciesReferenceLinkYearLocalityPressure (GPa)Temp (K)
0015672ArsenbrackebuschiteHofmeister W, Tillmanns E (1978) Strukturelle untersuchungen an arsenbrackebuschit Tschermaks Mineralogische und Petrographische Mitteilungen 25 153-1631978Tsumeb, Namibia0293
CIF Raw Data - click here to close

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
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

Type Occurrence of ArsenbrackebuschiteHide

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 ArsenbrackebuschiteHide

Other Language Names for ArsenbrackebuschiteHide

Relationship of Arsenbrackebuschite to other SpeciesHide

Other Members of this group:
ArsentsumebitePb2Cu(AsO4)(SO4)(OH)Mon. 2/m : P21/m
BearthiteCa2Al(PO4)2(OH)Mon. 2/m : P21/m
BrackebuschitePb2Mn3+(VO4)2(OH)Mon. 2/m : P21/m
BushmakinitePb2Al(PO4)(VO4)(OH)Mon. 2/m : P21/m
CalderónitePb2Fe3+(VO4)2(OH)Mon. 2/m : P21/m
CanosioiteBa2Fe3+(AsO4)2(OH)Mon. 2/m : P21/m
FeinglositePb2Zn(AsO4)2 · H2OMon. 2/m
FerribushmakinitePb2Fe3+(PO4)(VO4)(OH)Mon. 2/m : P21/m
GamagariteBa2Fe3+(VO4)2(OH)Mon. 2/m : P21/m
GoedkeniteSr2Al(PO4)2(OH)Mon. 2/m : P21/m
GrandaiteSr2Al(AsO4)2(OH)Mon. 2/m : P21/m
LombardoiteBa2Mn3+(AsO4)2(OH)Mon. 2/m : P21/m
TokyoiteBa2Mn3+(VO4)2(OH)Mon. 2/m : P21/m
TsumebitePb2Cu(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 AssociatesHide

Associated Minerals Based on Photo Data:
3 photos of Arsenbrackebuschite associated with MimetitePb5(AsO4)3Cl
3 photos of Arsenbrackebuschite associated with SmithsoniteZnCO3
2 photos of Arsenbrackebuschite associated with SegnititePbFe3+3AsO4(AsO3OH)(OH)6
2 photos of Arsenbrackebuschite associated with TsumcoritePbZn2(AsO4)2 · 2H2O
1 photo of Arsenbrackebuschite associated with CarminitePbFe3+2(AsO4)2(OH)2
1 photo of Arsenbrackebuschite associated with CerussitePbCO3

Related Minerals - Nickel-Strunz GroupingHide

8.BG.CanosioiteBa2Fe3+(AsO4)2(OH)Mon. 2/m : P21/m
8.BG.05ArsentsumebitePb2Cu(AsO4)(SO4)(OH)Mon. 2/m : P21/m
8.BG.05BearthiteCa2Al(PO4)2(OH)Mon. 2/m : P21/m
8.BG.05BrackebuschitePb2Mn3+(VO4)2(OH)Mon. 2/m : P21/m
8.BG.05GamagariteBa2Fe3+(VO4)2(OH)Mon. 2/m : P21/m
8.BG.05GoedkeniteSr2Al(PO4)2(OH)Mon. 2/m : P21/m
8.BG.05UM1994-19-PO:CuHMoPbPb2Cu(PO4)(MoO4,AsO4,CrO4,GaO4)(OH)
8.BG.05TsumebitePb2Cu(PO4)(SO4)(OH)Mon. 2/m : P21/m
8.BG.05FeinglositePb2Zn(AsO4)2 · H2OMon. 2/m
8.BG.05BushmakinitePb2Al(PO4)(VO4)(OH)Mon. 2/m : P21/m
8.BG.05TokyoiteBa2Mn3+(VO4)2(OH)Mon. 2/m : P21/m
8.BG.05CalderónitePb2Fe3+(VO4)2(OH)Mon. 2/m : P21/m
8.BG.10MélonjosephiteCaFe2+Fe3+(PO4)2(OH)Orth. mmm (2/m 2/m 2/m) : Pbam
8.BG.15TancoiteLiNa2Al(PO4)(PO3OH)(OH)Orth. mmm (2/m 2/m 2/m) : Pbca

Related Minerals - Dana Grouping (8th Ed.)Hide

40.2.8.1BrackebuschitePb2Mn3+(VO4)2(OH)Mon. 2/m : P21/m

Fluorescence of ArsenbrackebuschiteHide

Not fluorescent

Other InformationHide

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for ArsenbrackebuschiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
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.
Hofmeister, W., Tillman, E. (1978) Strukturelle untersuchungen an arsenbrackebuschit. Tschermaks Mineralogische und Petrographische Mitteilungen: 25: 153-163.
Fleischer, M. (1978) New mineral names. American Mineralogist: 63: 1282-1284.
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: 305-317.

Internet Links for ArsenbrackebuschiteHide

Localities for ArsenbrackebuschiteHide

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for 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 (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Austria
 
  • Carinthia
    • Villach-Land District
      • Finkenstein am Faaker See
        • Mallestiger Mittagskogel
A.Pichler (2003)
  • Lower Austria
    • Lilienfeld District
      • Annaberg
Auer, C. & Kolitsch, U. (2015): 1946) Arsendescloizit und Arsenbrackebuschit vom Silberbergbau Annaberg, NÖ. Pp. 261-262 in Niedermayr, G. et al. (2015): Neue Mineralfunde aus Österreich LXIV. Carinthia II, 205./125., 207-280.
  • Styria
    • Bruck-Mürzzuschlag District
      • Krieglach
        • Teschengraben
Tomazic, P. (1999): Der Blei-Zink Bergbau Freßnitzkogel - Stanglalm, Mürztal, Steiermark, Österreich. Annalen, Journal of science and art, 1, 57-62
  • Tyrol
    • Kufstein District
      • Brixlegg
Poeverlein, Schnorrer
        • Geyer - Silberberg District
          • Silberberg
Schnorrer, G. and Poeverlein, R. (2002) Schwaz-Brixlegg-Fundstellen: 2. Die Minerale des Stockerstollens bei Brixlegg in Tirol. Aufschluss, 53, 209-228.
France
 
  • Auvergne-Rhône-Alpes
    • Allier
      • Vichy
        • Échassières
Uwe Kolitsch (EDS analysis), to be published
Kolitsch, U., Gröbner, J. & Brandstätter, F. (2009): Neufunde von Les Montmins, Allier, Frankreich. Lapis 34 (11), 24-32; 54 (in German).
    • Rhône
      • Villefranche-sur-Saône
        • Les Ardillats
Favreau G., Legris J-R., Dardillac M. (1996), La Verrière (Rhône): Histoire et Minéralogie, Le Cahier des Micromonteurs, n°3, pp:3-28
Germany
 
  • Baden-Württemberg
    • Freiburg Region
      • Lörrach
        • Wieden
Lapis 23(12), 46 (1998)
      • Ortenaukreis
        • Seelbach
          • Schuttertal
Lapis 21(12), 42-43 (1996)
        • Wolfach
          • Oberwolfach
Fortschr.Mineral.(1976) 54, Beiheft 1, p.38; WALENTA, K. (1999): Neue Mineralfunde von der Grube Clara. 8. Folge, 2. Teil. Lapis 24 (12), 40-44; U. Kolitsch, J. Gröbner, G. Blaß and H.-W. Graf (2007): Neufunde aus der Grube Clara im mittleren Schwarzwald (III): Cerianit-(Ce), Dravit, Florencit-(La), Gilmarit, Olenit und Scotlandit. Lapis 32, 19-23, 70.
  • Hesse
    • Darmstadt
      • Bergstraße
        • Lautertal (Odenwald)
          • Gadernheim
S Wolfsried collection
          • Reichenbach
            • Hohenstein
Lapis 25(2), 13-30 (2000)
  • Saxony
    • Erzgebirgskreis
      • Bärenstein
        • Niederschlag
Schlegel, F. (2001): Erstfund aus Sachsen: Arsenbrackebuschit ! (Bemerkenswerter Eigenfund). Lapis, 26 (5), 34-35.
Indonesia
 
  • Maluku Province
    • Wetar Island
Mineralium Deposita (2005) 40: 76–99
Mexico
 
  • Durango
    • Mapimí Municipality
      • Mapimí
Robert Meyer. ID by Marcus Origlieri, personal communication
Namibia (TL)
 
  • Oshikoto Region
    • Tsumeb
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.; Fortschr. Mineral.(1976) 54, Beiheft 1, p.38; Bezing, L. von., Bode, R., and Jahn, S., (2016) Namibia Minerals and Localities II. Edition Krüger-Stiftung, Bode Verlag GmbH, Salzhemmendorf, Germany: 37 pg (in English).
South Africa
 
  • North West
    • Bojanala Platinum District Municipality
      • Brits
Atanasova, M., Cairncross, B. and Windisch, W.R. (2016) Microminerals of the Bushveld Complex, South Africa. Popular Geoscience Series 6, Council for Geoscience, Pretoria, South Africa, pg 181
  • Northern Cape
    • John Taolo Gaetsewe
      • Gamagara
        • Kathu
          • Sishen
Costin, G., Fairey, B., & Tsikos, H. (2014) Tokyoite and As-rich tokyoite: new occurrence in the manganese ore of the Postmasburg Manganese Field, South Africa. 21st annual IMA conference
Spain
 
  • Andalusia
    • Córdoba
      • Belalcázar
        • La Ventosilla farmhouse
Rewitzer, C., Calvo, M. Hochleitner, R., and Utrera, C. (2018). Adamite, austinite, schlegelite, dugganite and other uncommon minerals in the “Cogolla Alta” claim,Belalcázar, Córdoba, Spain. Mineral Up, 5 (2), 50-77.
USA
 
  • California
    • Inyo Co.
      • Inyo Mts (Inyo Range)
        • Malpais Mesa
Species confirmed by Paul Adams using Raman Spectroscopy. (Personal communication November 2019). Dan Evanich specimen provided for analysis.
    • San Bernardino Co.
      • Clark Mts (Clark Mountain Range)
        • Clark Mountain District (Clark District)
          • Mohawk Hill
www.mineralsocal.org
  • Montana
    • Granite Co.
      • Philipsburg Mining District (Flint Creek Mining District)
Collection of J.Dagenais
  • Nevada
    • Humboldt Co.
      • Iron Point Mining District
        • Valmy
Silver Coin Mine. Compact Disc. Paul Adams
    • Mineral Co.
      • Fitting Mining District
        • Luning
          • Rhyolite Pass
Collected by and in the collection of Joan Beyer. Raman analyzed at the University of Arizona.
  • New Mexico
    • Grant Co.
      • Eureka Mining District
Anthony, Bideaux, Bladh, Nichols: Handbook of Mineralogy, Vol. IV
 
Mineral and/or Locality  
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