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Reichenbachite

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Big Photo

Point 5.0, Borstein, Reichenbach, Lautertal (Odenwald), Odenwald, Hesse, Germany
© 2006 D. Schläfli

Show Reichenbachite Photos (51)



Formula:
Cu
 
5
(PO
 
4
)
 
2
(OH)
 
4
System:MonoclinicColour:Dark green
Lustre:VitreousHardness:3½
Name:
Named after its discovery locality.
This page provides mineralogical data about Reichenbachite.

Classification of Reichenbachite

IMA status:Approved 1985
Strunz 8th edition ID:7/B.11-30
Nickel-Strunz 10th (pending) edition ID: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
Dana 8th edition ID:41.4.3.2

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

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

Type Locality:Point 8.0, Borstein, Reichenbach, Lautertal (Odenwald), Odenwald, Hesse, Germany
Year of Discovery:1985

Physical Properties of Reichenbachite

Lustre:Vitreous
Colour:Dark green
Hardness (Mohs):3½

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°
Maximum Birefringence:δ = 0.085

Chart 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:
Cu
 
5
(PO
 
4
)
 
2
(OH)
 
4
Essential elements:Cu, H, O, P
All elements listed in formula:Cu, H, O, P

Relationship of Reichenbachite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
8.BD.05Cornwallite
Cu
 
5
(AsO
 
4
)
 
2
(OH)
 
4
8.BD.05Pseudomalachite
Cu
 
5
(PO
 
4
)
 
2
(OH)
 
4
8.BD.10Arsenoclasite
Mn
2+
5
(AsO
 
4
)
 
2
(OH)
 
4
8.BD.10Gatehouseite
Mn
2+
5
(PO
 
4
)
 
2
(OH)
 
4
8.BD.15Parwelite
Mn
 
10
Sb
 
2
As
 
2
Si
 
2
O
 
24
8.BD.20Reppiaite
Mn
2+
5
(VO
 
4
)
 
2
(OH)
 
4
8.BD.25Ludjibaite
Cu
 
5
(PO
 
4
)
 
2
(OH)
 
4
8.BD.30Cornubite
Cu
 
5
(AsO
 
4
)
 
2
(OH)
 
4
Related Minerals - Hey's Index Grouping:

- +
19.2.1Libethenite
Cu
 
2
(PO
 
4
)(OH)
19.2.2Cornetite
Cu
 
3
(PO
 
4
)(OH)
 
3
19.2.4Ludjibaite
Cu
 
5
(PO
 
4
)
 
2
(OH)
 
4
19.2.5Pseudomalachite
Cu
 
5
(PO
 
4
)
 
2
(OH)
 
4
19.2.6Nissonite
Cu
 
2
Mg
 
2
(PO
 
4
)
 
2
(OH)
 
2
 · 5H
 
2
O
19.2.7Zapatalite
Cu
 
3
Al
 
4
(PO
 
4
)
 
3
(OH)
 
9
 · 4H
 
2
O
19.2.8Turquoise
Cu(Al,Fe
3+
 
)
 
6
(PO
 
4
)
 
4
(OH)
 
8
 · 4H
 
2
O
19.2.9Sieleckiite
Cu
 
3
Al
 
4
(PO
 
4
)
 
2
(OH)
 
12
 · 2H
 
2
O
19.2.10Planerite
Al
 
6
(PO
 
4
)
 
2
(HPO
 
4
)
 
2
(OH)
 
8
 · 4 H
 
2
O
19.2.11Hentschelite
CuFe
3+
2
(PO
 
4
)
 
2
(OH)
 
2
19.2.13Chalcosiderite
Cu(Fe
3+
 
,Al)
 
6
(PO
 
4
)
 
4
(OH)
 
8
 · 4H
 
2
O
19.2.14Phosphofibrite
K
 
<0.5
(Fe
3+
 
,Cu)
 
8
(PO
 
4
)
 
6
(OH)
 
7
 · 7H
 
2
O

Other Names for Reichenbachite

Synonyms:
IMA1985-044
Other Languages:
German:Reichenbachit
Spanish:Reichenbachita

Other Information

Health Warning: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

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    • Localities for Reichenbachite

    The 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.
    Hide Locality List
    (TL) indicates type locality. ? 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
    		No reference listed
    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
      • Vila Viçosa
        • Pardais
    		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
    		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
      • Namaqualand
        • Okiep Copper District
          • Springbok
    		Leon Hupperichs collection
    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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