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Reichenbachite

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


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Classification of ReichenbachiteHide

Approved
Approval Year:
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

Physical Properties of ReichenbachiteHide

Vitreous
Colour:
Dark green
Hardness:
3½ on Mohs scale

Optical Data of ReichenbachiteHide

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 ReichenbachiteHide

Formula:
Cu5(PO4)2(OH)4

Crystallography of ReichenbachiteHide

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 V:
437.46 ų (Calculated from Unit Cell)
Z:
2
Morphology:
Lancet-shaped crystals.
Comment:
SG P21/a

Type Occurrence of ReichenbachiteHide

Synonyms of ReichenbachiteHide

Other Language Names for ReichenbachiteHide

Common AssociatesHide

Associated Minerals Based on Photo Data:
Quartz13 photos of Reichenbachite associated with Quartz on mindat.org.
Pseudomalachite11 photos of Reichenbachite associated with Pseudomalachite on mindat.org.
Malachite6 photos of Reichenbachite associated with Malachite on mindat.org.
Kipushite5 photos of Reichenbachite associated with Kipushite on mindat.org.
Pyromorphite2 photos of Reichenbachite associated with Pyromorphite on mindat.org.
Crandallite2 photos of Reichenbachite associated with Crandallite on mindat.org.
Zapatalite2 photos of Reichenbachite associated with Zapatalite on mindat.org.
Limonite1 photo of Reichenbachite associated with Limonite on mindat.org.
Ludjibaite1 photo of Reichenbachite associated with Ludjibaite on mindat.org.
Vauquelinite1 photo of Reichenbachite associated with Vauquelinite on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

8.BD.05CornwalliteCu5(AsO4)2(OH)4Mon. 2/m : P21/b
8.BD.05PseudomalachiteCu5(PO4)2(OH)4Mon. 2/m : P21/b
8.BD.10ArsenoclasiteMn2+5(AsO4)2(OH)4Orth.
8.BD.10GatehouseiteMn2+5(PO4)2(OH)4Orth. 2 2 2 : P21 21 21
8.BD.15ParweliteMn10Sb2As2Si2O24Mon. m : Bb
8.BD.20ReppiaiteMn2+5(VO4)2(OH)4Mon.
8.BD.25LudjibaiteCu5(PO4)2(OH)4Tric. 1 : P1
8.BD.30CornubiteCu5(AsO4)2(OH)4Tric. 1 : P1

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

41.4.3.1PseudomalachiteCu5(PO4)2(OH)4Mon. 2/m : P21/b
41.4.3.3LudjibaiteCu5(PO4)2(OH)4Tric. 1 : P1

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

19.2.1LibetheniteCu2(PO4)(OH)Orth. mmm (2/m 2/m 2/m) : Pnnm
19.2.2CornetiteCu3(PO4)(OH)3Orth. mmm (2/m 2/m 2/m) : Pbca
19.2.4LudjibaiteCu5(PO4)2(OH)4Tric. 1 : P1
19.2.5PseudomalachiteCu5(PO4)2(OH)4Mon. 2/m : P21/b
19.2.6NissoniteCu2Mg2(PO4)2(OH)2 · 5H2OMon.
19.2.7ZapataliteCu3Al4(PO4)3(OH)9 · 4H2OTet.
19.2.8TurquoiseCu(Al,Fe3+)6(PO4)4(OH)8 · 4H2OTric. 1 : P1
19.2.9SieleckiiteCu3Al4(PO4)2(OH)12 · 2H2OTric.
19.2.10PlaneriteAl6(PO4)2(HPO4)2(OH)8 · 4 H2OTric. 1 : P1
19.2.11HentscheliteCuFe3+2(PO4)2(OH)2Mon.
19.2.13ChalcosideriteCuFe3+6(PO4)4(OH)8 · 4H2OTric. 1 : P1
19.2.14Phosphofibrite(H2O,K)3.5Fe8(PO4)6(OH)7 · 5H2OMon. 2/m

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 ReichenbachiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
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.
Krivovichev, S.V., Zolotarev, A.A., Popova, V.I. (2016): Hydrogen bonding and structural complexity in the Cu5(PO4)2(OH)4 polymorphs (pseudomalachite, ludjibaite, reichenbachite): combined experimental and theoretical study. Structural Chemistry, 27, 1715-1723.

Internet Links for ReichenbachiteHide

Localities for ReichenbachiteHide

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.
Australia
 
  • Northern Territory
    • Coomalie Shire
      • Batchelor
        • Rum Jungle
Museum Victoria collection
Czech Republic
 
  • Bohemia (Böhmen; Boehmen)
    • Karlovy Vary Region
      • Krušné Hory Mts (Erzgebirge)
collected by J. Hlousek
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-Rhône-Alpes
    • 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; Sterrmann, G. & Schäfer, T. (2016): Die Mineralien der Grube Silbergaut bei Emmershausen im Taunus. Mineralien-Welt 27 (4), 38-47 (in German).
  • 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. Mineralogical Magazine, 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.
Martin Števko-unpublished, PXRD and EMPA-WDS confirmed
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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