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Reichenbachite

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Formula:
Cu5(PO4)2(OH)4
System:
Monoclinic
Colour:
Dark green
Lustre:
Vitreous
Hardness:
Name:
Named after its discovery locality.
This page provides mineralogical data about Reichenbachite.

Classification of Reichenbachite

Approved 1985
8.BD.05

8 : PHOSPHATES, ARSENATES, VANADATES
B : Phosphates, etc., with additional anions, without H2O
D : With only medium-sized cations, (OH, etc.):RO4= 2:1
41.4.3.2

41 : ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
4 : (AB)5(XO4)2Zq
19.2.3

19 : Phosphates
2 : Phosphates of Cu
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Type Occurrence of Reichenbachite

Year of Discovery:
1985

Physical Properties of Reichenbachite

Vitreous
Colour:
Dark green
Hardness (Mohs):

Crystallography of Reichenbachite

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Cell Parameters:
a = 9.186(2) Å, b = 10.684(2) Å, c = 4.461(2) Å
β = 92.31(1)°
Ratio:
a:b:c = 0.86 : 1 : 0.418
Unit Cell Volume:
V 437.46 ų (Calculated from Unit Cell)
Z:
2
Morphology:
Lancet-shaped crystals.
Comment:
SG P21/a

Optical Data of Reichenbachite

Type:
Biaxial (-)
RI values:
nα = 1.782 nβ = 1.833 nγ = 1.867
2V:
Measured: 76° , Calculated: 76°
Max Birefringence:
δ = 0.085
Image shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:
Very High
Dispersion:
extreme

Chemical Properties of Reichenbachite

Formula:
Cu5(PO4)2(OH)4
Essential elements:
All elements listed in formula:

Relationship of Reichenbachite to other Species

8.BD.05CornwalliteCu5(AsO4)2(OH)4
8.BD.05PseudomalachiteCu5(PO4)2(OH)4
8.BD.10ArsenoclasiteMn52+(AsO4)2(OH)4
8.BD.10GatehouseiteMn52+(PO4)2(OH)4
8.BD.15ParweliteMn10Sb2As2Si2O24
8.BD.20ReppiaiteMn52+(VO4)2(OH)4
8.BD.25LudjibaiteCu5(PO4)2(OH)4
8.BD.30CornubiteCu5(AsO4)2(OH)4
19.2.1LibetheniteCu2(PO4)(OH)
19.2.2CornetiteCu3(PO4)(OH)3
19.2.4LudjibaiteCu5(PO4)2(OH)4
19.2.5PseudomalachiteCu5(PO4)2(OH)4
19.2.6NissoniteCu2Mg2(PO4)2(OH)2 · 5H2O
19.2.7ZapataliteCu3Al4(PO4)3(OH)9 · 4H2O
19.2.8TurquoiseCu(Al,Fe3+)6(PO4)4(OH)8 · 4H2O
19.2.9SieleckiiteCu3Al4(PO4)2(OH)12 · 2H2O
19.2.10PlaneriteAl6(PO4)2(HPO4)2(OH)8 · 4 H2O
19.2.11HentscheliteCuFe23+(PO4)2(OH)2
19.2.13ChalcosideriteCu(Fe3+,Al)6(PO4)4(OH)8 · 4H2O
19.2.14PhosphofibriteK<0.5(Fe3+,Cu)8(PO4)6(OH)7 · 7H2O

Other Names for Reichenbachite

Name in Other Languages:

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.

References for Reichenbachite

Reference List:
American Mineralogist (1977): 62: 115-121.

Sieber, N.H.W., Tillmanns, E. and Medenbach, O. (1987) Hentschelite, CuFe2(PO4)2(OH)2, a new member of the lazulite group, and reichenbachite, Cu5(PO4)2(OH)4, a polymorph of pseudomalachite, two new copper phosphate minerals from Reichenbach, Germany. American Mineralogist 72, 404-408.

Neues Jahrbuch für Mineralogie, Monatshefte (1991): 281.

Braithwaite, R. S. W. and Ryback, G. (1994): Reichenbachite from Cornwall and Portugal. Mineral. Mag., 58, 449-454.

Internet Links for Reichenbachite

Localities for Reichenbachite

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.
(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
Australia
 
  • Northern Territory
    • Coomalie Shire
      • Batchelor
        • Rum Jungle
Museum Victoria collection
Democratic Republic of Congo (Zaïre)
 
  • Katanga (Shaba)
    • Kipushi
Frost, R. L., Reddy, B. J., Palmer, S. J., & Keeffe, E. C. (2011). Structure of selected basic zinc/copper (II) phosphate minerals based upon near-infrared spectroscopy–Implications for hydrogen bonding. Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 78(3), 996-1003.
France
 
  • Auvergne
    • Allier
      • Ébreuil
        • Échassières
Patrice Queneau Collection
Kolitsch, U., Gröbner, J. & Brandstätter, F. (2009): Neufunde von Les Montmins, Allier, Frankreich. Lapis 34 (11), 24-32; 54 (in German).
Germany
 
  • Baden-Württemberg
    • Black Forest
      • Gengenbach
        • Haigerach valley
Wittern: "Mineralfundorte in Deutschland", 2001
  • Hesse
    • Odenwald
      • Lautertal (Odenwald)
        • Gadernheim
Am Min 79:764-765.
        • Reichenbach
          • Borstein
Collection of Steffen Michalski, ex-collection and collected by Klaus PETITJEAN
Collection of Steffen Michalski, ex-collection and collected by Klaus PETITJEAN
P Haas collection (specimen no. 72-170)
Collection of Steffen Michalski, ex-collection and collected by Klaus PETITJEAN
Sieber, N.H.W., Tillmanns, E. and Medenbach, O. (1987) Hentschelite, CuFe2(PO4)2(OH)2, a new member of the lazulite group, and reichenbachite, Cu5(PO4)2(OH)4, a polymorph of pseudomalachite, two new copper phosphate minerals from Reichenbach, Germany. American Mineralogist 72, 404-408.
          • Hohenstein
Lapis 25(2), 13-30 (2000)
Collection of Steffen Michalski, ex-collection and collected by Klaus PETITJEAN
No reference listed
          • Teufelsstein
Collection of Steffen Michalski, ex-collection and collected by Klaus PETITJEAN
    • Taunus
      • Emmershausen
www.haldengraeber.de/Homepage/Fundstellen/Deutschland/Taunus/Silbergaut/Silbergaut.html
  • Rhineland-Palatinate
    • Siegerland
      • Gebhardshain
        • Kausen
Wittern: "Mineralfundstellen in Deutschland", 2001
  • Saxony
    • Vogtland
      • Zobes-Bergen District
        • Bergen U deposit
          • Bergen
T. Witzke (1994) Lapis 19(10), 36-39
Portugal
 
  • Évora District
    • Évora
      • Nossa Senhora da Tourega
    • Vila Viçosa
      • Conceição
Braithwaite, R. S. W. and Ryback, G. (1994): Reichenbachite from Cornwall and Portugal. Mineral. Mag., 58, 449-454.
Slovakia
 
  • Banská Bystrica Region
    • Banská Bystrica Co.
      • Ľubietová (Libetbánya; Libethen)
Hyršl, J. (1991): Three polymorphs of Cu5(PO4)2(OH) from Ľubietová, Czechoslovakia. N. Jb. Miner. Mh., 6, 281-287.
South Africa
 
  • Northern Cape Province
    • Namakwa District (Namaqualand)
      • Okiep Copper District
        • Springbok
Leon Hupperichs collection
Spain
 
  • Castile and Leon
    • Salamanca
      • Golpejas-Vega de Tirados
        • Golpejas Mining Group
Calvo, M. (2015): Minerales y Minas de España. Vol. VII, Fosfatos, arseniatos y vanadatos. Escuela Técnica Superior de Ingenieros de Minas de Madrid - Fundación Gómez Pardo. 479 pp.
  • Extremadura
    • Badajoz
      • Cheles
Cesar Menor-Salván
UK
 
  • England
    • Cornwall
      • Callington District
        • Calstock
          • Gunnislake
            • Clitters United Mines
Braithwaite, R.S.W., and Ryback, G. (1994): Mineralogical Magazine 58, 449-454; Golley, P., and Williams, R. (1995): Cornish Mineral Reference Manual. Endsleigh Publications (Truro), 104 pp.
USA
 
  • Arizona
    • Yavapai Co.
      • Bradshaw Mts (Bradshaw Range)
        • Agua Fria District
          • Mayer
Grant, Raymond W., Bideaux, R.A., and Williams, S.A. (2006) Minerals Added to the Arizona List 1995-2005: 7.
Mineral and/or Locality  
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