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Hentschelite

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Great Australia Mine, Cloncurry, Cloncurry District, Mount Isa - Cloncurry area, Queensland, Australia
© Judy Rowe

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Formula:
CuFe
3+
2
(PO
 
4
)
 
2
(OH)
 
2
System:MonoclinicHardness:3½
Member of:Lazulite Group
This page provides mineralogical data about Hentschelite.

Classification of Hentschelite

IMA status:Approved 1985
Strunz 8th edition ID:7/B.08-50
Nickel-Strunz 10th (pending) edition ID:8.BB.40

8 : PHOSPHATES, ARSENATES, VANADATES
B : Phosphates, etc., with additional anions, without H2O
B : With only medium-sized cations, (OH, etc.):RO4 about 1:1
Dana 8th edition ID:41.10.1.3

41 : ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
10 : (AB)3(XO4)2Zq
Hey's CIM Ref.:19.2.11

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

Type Locality:Point 20.0, Katzenstein, Raidelbach, Lautertal (Odenwald), Odenwald, Hesse, Germany
Year of Discovery:1985

Physical Properties of Hentschelite

Hardness (Mohs):3½

Crystallography of Hentschelite

Crystal System:Monoclinic
Cell Parameters:a = 6.98Å, b = 7.78Å, c = 7.26Å
β = 117.68°
Ratio:a:b:c = 0.897 : 1 : 0.933
Unit Cell Volume:V 349.13 ų (Calculated from Unit Cell)

Optical Data of Hentschelite

Type:Biaxial (+)
RI values: nα = 1.843 nβ = 1.848 nγ = 1.945
2V:Measured: 60° to 70°, Calculated: 28°
Maximum Birefringence:δ = 0.102

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Very High
Dispersion:relatively strong

Chemical Properties of Hentschelite

Formula:
CuFe
3+
2
(PO
 
4
)
 
2
(OH)
 
2
Essential elements:Cu, Fe, H, O, P
All elements listed in formula:Cu, Fe, H, O, P
Common Impurities:Al,As

Relationship of Hentschelite to other Species

Member of:Lazulite Group
Other Members of Group:

- +
Barbosalite
Fe
2+
 
Fe
3+
2
(PO
 
4
)
 
2
(OH)
 
2
Lazulite
(Mg,Fe
2+
 
)Al
 
2
(PO
 
4
)
 
2
(OH)
 
2
Scorzalite
Fe
2+
 
Al
 
2
(PO
 
4
)
 
2
(OH)
 
2
Wilhelmkleinite
ZnFe
3+
2
(AsO
 
4
)
 
2
(OH)
 
2
Related Minerals - Nickel-Strunz Grouping):

- +
8.BB.05Amblygonite
LiAl(PO
 
4
)F
8.BB.05Montebrasite
LiAl(PO
 
4
)(OH)
8.BB.05Tavorite
LiFe
3+
 
(PO
 
4
)(OH)
8.BB.10Triplite
(Mn
2+
 
,Fe
2+
 
)
 
2
(PO
 
4
)(F,OH)
8.BB.10Zwieselite
(Fe
2+
 
,Mn
2+
 
)
 
2
(PO
 
4
)F
8.BB.15Sarkinite
Mn
2+
2
(AsO
 
4
)(OH)
8.BB.15Triploidite
(Mn
2+
 
,Fe
2+
 
)
 
2
(PO
 
4
)(OH)
8.BB.15Wagnerite
(Mg,Fe
2+
 
)
 
2
(PO
 
4
)F
8.BB.15Wolfeite
(Fe
2+
 
,Mn
2+
 
)
 
2
(PO
 
4
)(OH)
8.BB.15Stanĕkite
(Mn
2+
 
,Fe
2+
 
,Mg)Fe
3+
 
(PO
 
4
)O
8.BB.15Joosteite
Mn
2+
 
(Mn
3+
 
,Fe
3+
 
)(PO
 
4
)O
8.BB.15Hydroxylwagnerite
Mg
 
2
(PO
 
4
)(OH)
8.BB.20Holtedahlite
Mg
 
2
(PO
 
4
)(OH)
8.BB.20Satterlyite
(Fe
2+
 
,Mg,Fe
3+
 
)
 
2
(PO
 
4
)(OH,O)
8.BB.25Althausite
Mg
 
2
(PO
 
4
)(OH,F)
8.BB.30Adamite
Zn
 
2
(AsO
 
4
)(OH)
8.BB.30Eveite
Mn
2+
2
(AsO
 
4
)(OH)
8.BB.30Libethenite
Cu
 
2
(PO
 
4
)(OH)
8.BB.30Olivenite
Cu
 
2
(AsO
 
4
)(OH)
8.BB.30Zincolibethenite
CuZn(PO
 
4
)(OH)
8.BB.30Zincolivenite
CuZn(AsO
 
4
)(OH)
8.BB.30Auriacusite
Fe
3+
 
Cu
2+
 
(AsO
 
4
)O
8.BB.35Paradamite
Zn
 
2
(AsO
 
4
)(OH)
8.BB.35Tarbuttite
Zn
 
2
(PO
 
4
)(OH)
8.BB.40Barbosalite
Fe
2+
 
Fe
3+
2
(PO
 
4
)
 
2
(OH)
 
2
8.BB.40Lazulite
(Mg,Fe
2+
 
)Al
 
2
(PO
 
4
)
 
2
(OH)
 
2
8.BB.40Scorzalite
Fe
2+
 
Al
 
2
(PO
 
4
)
 
2
(OH)
 
2
8.BB.40Wilhelmkleinite
ZnFe
3+
2
(AsO
 
4
)
 
2
(OH)
 
2
8.BB.45Trolleite
Al
 
4
(PO
 
4
)
 
3
(OH)
 
3
8.BB.50Namibite
Cu(BiO)
 
2
(VO
 
4
)(OH)
8.BB.55Phosphoellenbergerite
Mg
 
14
(PO
 
4
)
 
6
(HPO
 
4
,CO
 
3
)
 
2
(OH)
 
6
8.BB.60Urusovite
CuAl(AsO
 
4
)O
8.BB.65Theoparacelsite
Cu
 
3
(As
 
2
O
 
7
)(OH)
 
2
8.BB.70Turanite
Cu
 
5
(VO
 
4
)
 
2
(OH)
 
4
8.BB.75Stoiberite
Cu
 
5
(VO
 
4
)
 
2
O
 
2
8.BB.80Fingerite
Cu
 
11
(VO
 
4
)
 
6
O
 
2
8.BB.85Averievite
Cu
 
6
(VO
 
4
)
 
2
O
 
2
Cl
 
2
8.BB.90Lipscombite
(Fe
2+
 
,Mn
2+
 
)Fe
3+
2
(PO
 
4
)
 
2
(OH)
 
2
8.BB.90Richellite
CaFe
3+
2
(PO
 
4
)
 
2
(OH,F)
 
2
8.BB.90Zinclipscombite
ZnFe
3+
2
(PO
 
4
)
 
2
(OH)
 
2
Related Minerals - Hey's Index Grouping:

- +
19.2.1Libethenite
Cu
 
2
(PO
 
4
)(OH)
19.2.2Cornetite
Cu
 
3
(PO
 
4
)(OH)
 
3
19.2.3Reichenbachite
Cu
 
5
(PO
 
4
)
 
2
(OH)
 
4
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
19.2.13Chalcosiderite
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 Hentschelite

Synonyms:
IMA1985-057
Other Languages:
German:Hentschelit
Russian:Хентшелит
Spanish:Hentschelita

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 Hentschelite

Reference List:

- +
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.

Sieber, N.H.W., Tillmanns, E. and Hofmeister, W. (1987) Structure of hentschelite, CuFe2(PO4)2(OH)2, a new member of the lazulite group. Acta Crystallographica: C43, 1855-1857.

Internet Links for Hentschelite

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  • Raman and XRD data at RRUFF project
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  • Hentschelite details from Handbook of Mineralogy (PDF)
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    • Localities for Hentschelite

    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.
    Argentina
     
    • Córdoba
      • Punilla Department
        • Tanti
          • Cerro Blanco pegmatite district
    		Mr. Nelson Valenzuela.; Rocks & Min. (2007) 82:234
    Australia
     
    • Queensland
      • Mount Isa - Cloncurry area
        • Cloncurry District
          • Cloncurry
    • South Australia
      • Flinders Ranges
        • South Flinders Ranges
          • Wilmington
    		Mineral. Mag. 63, 735-741
    Czech Republic
     
    • Bohemia (Böhmen; Boehmen)
      • Karlovy Vary Region
        • Horní Slavkov (Schlaggenwald)
          • Krásno (Schönfeld)
    		Sejkora, J., Ondruš, P., Fikar, M., Veselovský, F., Mach, Z., Gabašová, A., Skoda, R. & Beran, P. (2006): Supergene minerals at the Huber stock and Schnöd stock deposits, Krásno ore District, the Slavkovský les area, Czech Republic. Journal of the Czech Geological Society 51, 57-101.
    France
     
    • Auvergne
      • Allier
        • Ébreuil
          • Échassières
    		Uwe Kolitsch (SXRD + SEM-EDS); to be published
    • Limousin
      • Haute-Vienne
        • Bessines-sur-Gartempe
    		http://perso.wanadoo.fr/jeldemine/listes%20mineraux.html
    Germany
     
    • Hesse
      • Odenwald
        • Lautertal (Odenwald)
          • Gadernheim
    		No reference listed
          • Raidelbach
            • Katzenstein
    		Sieber et al.: Amer. Min. 72, 404-408 (1987)
          • Reichenbach
            • Hohenstein
    		Lapis 25(2), 13-30 (2000)
    No reference listed
    Lapis, 12 (10), 23-32+58.
    Poland
     
    • Świętokrzyskie
      • Świętokrzyskie Mts (Holy Cross Mts)
        • Kielce District
          • Chęciny
    		Bzowska, G., Karwowski, Ł., Juzaszek, A. (2003): New phosphate and arsenate minerals from Miedzianka near Chęciny (Holy Cross Mts). Mineralogical Society of Poland - Special Papers, Vol. 23
    Portugal
     
    • Guarda District
      • Sabugal
        • Bendada
    		Schnorrer-Köhler (1991), Mineral Occurrences.
    UK
     
    • England
      • Cornwall
        • St Austell District
          • Treverbyn
            • Stenalees
    		Elton, N. J. (1998): Barbosalite, frondelite and other phosphates from Gunheath China Clay Pit, St Austell, Cornwall, England. Journal of the Russell Society 7, 15-18.
    USA
     
    • Nevada
      • Humboldt Co.
        • Iron Point District
          • Valmy
    		Dr. William S. Wise presentation to Northwest Micro Mineral Study Group on 1 May 2004, Update on Mineralogy of the Silver Coin Mine, Iron Point District, Edna Mountains, Humboldt Co., Nevada
    Mineral and/or Locality
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