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Haidingerite

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Wilhelm Mine (Wechselschacht), Bauhaus, Richelsdorf District, North Hesse, Hesse, Germany
© Elmar Lackner

Show Haidingerite Photos (3)
Formula:
Ca[HAsO
 
4
] · H
 
2
O
System:OrthorhombicColour:Colourless, whitel; ...
Hardness:2 - 2½
Name:Named in honor of Wilhelm Karl von Haidinger (1795–1871), famous Austrian mineralogist.
This page provides mineralogical data about Haidingerite.

Classification of Haidingerite

IMA status:Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
Strunz 8th edition ID:7/C.24-10
Nickel-Strunz 10th (pending) edition ID:8.CJ.20

8 : PHOSPHATES, ARSENATES, VANADATES
C : Phosphates without additional anions, with H2O
J : With only large cations
Dana 8th edition ID:39.1.5.1

39 : HYDRATED ACID PHOSPHATES,ARSENATES AND VANADATES
1 : A[HXO4]·xH2O
Hey's CIM Ref.:20.2.7

20 : Arsenates (also arsenates with phosphate, but without other anions)
2 : Arsenates of Be, Mg, Ca or Ba
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Type Occurrence of Haidingerite

Type Locality:Jáchymov (St Joachimsthal), Ostrov, Krušné Hory Mts (Erzgebirge), Karlovy Vary Region, Bohemia (Böhmen; Boehmen), Czech Republic
Year of Discovery:1827

Occurrences of Haidingerite

Geological Setting:Oxidized zones of arsenical ore deposits.

Physical Properties of Haidingerite

Lustre:Adamantine, Vitreous, Pearly
Diaphaneity (Transparency):Transparent
Comment:Lustre pearly on cleavage.
Colour:Colourless, whitel; colourless in transmitted light.
Hardness (Mohs):2 - 2½
Tenacity:Sectile
Cleavage:Perfect
On {010}, perfect.
Density (measured):2.848 g/cm3
Comment:2.962 ± 0.008 (artificial material).

Crystallography of Haidingerite

Crystal System:Orthorhombic
Class (H-M):mmm (2/m 2/m 2/m) - Dipyramidal
Cell Parameters:a = 6.93Å, b = 16.15Å, c = 7.94Å
Ratio:a:b:c = 0.429 : 1 : 0.492
Unit Cell Volume:V 888.64 ų (Calculated from Unit Cell)
Morphology:Crystals rare, equidimensional to short prismatic [001] or [100]. Fine-grained botryoidal to fibrous coatings.
Twinning:On {110}, rare.

Optical Data of Haidingerite

Type:Biaxial (+)
RI values: nα = 1.590 nβ = 1.602 nγ = 1.638
2V:Measured: 58° , Calculated: 62°
Maximum Birefringence:δ = 0.048

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Moderate
Dispersion:r > v distinct

Chemical Properties of Haidingerite

Formula:
Ca[HAsO
 
4
] · H
 
2
O
Essential elements:As, Ca, H, O
All elements listed in formula:As, Ca, H, O

Relationship of Haidingerite to other Species

Common Associates:
Pharmacolite
Related Minerals - Nickel-Strunz Grouping):
8.CJ.05Stercorite
NaNH
 
4
HPO
 
4
·4H
 
2
O
8.CJ.10Mundrabillaite
(NH
 
4
)
 
2
Ca(HPO
 
4
)
 
2
·H
 
2
O
8.CJ.10Swaknoite
(NH
 
4
)
 
2
Ca[HPO
 
4
]
 
2
 · H
 
2
O
8.CJ.15Nabaphite
NaBaPO
 
4
·9H
 
2
O
8.CJ.15Nastrophite
Na(Sr,Ba)PO
 
4
·9H
 
2
O
8.CJ.25Vladimirite
Ca
 
5
[(HAsO
 
4
)
 
2
|(AsO
 
4
)
 
2
] · 5H
 
2
O
8.CJ.30Ferrarisite
Ca
 
5
[(HAsO
 
4
)
 
2
|(AsO
 
4
)
 
2
] · 9H
 
2
O
8.CJ.30Guérinite
Ca
 
5
[(HAsO
 
4
)
 
2
|(AsO
 
4
)
 
2
] · 9H
 
2
O
8.CJ.35Machatschkiite
(Ca,Na)
 
6
AsO
 
4
(AsO
 
3
OH)
 
3
(PO
 
4
,SO
 
4
)·15H
 
2
O
8.CJ.40Phaunouxite
Ca
 
3
[AsO
 
4
]
 
2
 · 11H
 
2
O
8.CJ.40Rauenthalite
Ca
 
3
[AsO
 
4
]
 
2
 · 10H
 
2
O
8.CJ.45Brockite
(Ca,Th,Ce)(PO
 
4
)·H
 
2
O
8.CJ.45Grayite
(Th,Pb,Ca)PO
 
4
·H
 
2
O
8.CJ.45Ningyoite
CaU(PO
 
4
)
 
2
·1-2H
 
2
O
8.CJ.45Rhabdophane-(Ce)
(Ce,La)PO
 
4
·H
 
2
O
8.CJ.45Rhabdophane-(La)
(La,Ce)PO
 
4
·H
 
2
O
8.CJ.45Rhabdophane-(Nd)
(Nd,Ce,La)PO
 
4
·H
 
2
O
8.CJ.45Tristramite
(Ca,U,Fe)(PO
 
4
,SO
 
4
)·2H
 
2
O
8.CJ.45Smirnovskite
(Th,Ca)PO
 
4
 ·nH
 
2
O
8.CJ.50Ardealite
Ca
 
2
[HPO
 
4
|SO
 
4
] · 4H
 
2
O
8.CJ.50Brushite
CaHPO
 
4
·2H
 
2
O
8.CJ.50Churchite-(Y)
YPO
 
4
·2H
 
2
O
8.CJ.50Pharmacolite
CaHAsO
 
4
·2H
 
2
O
8.CJ.50Churchite-(Nd)
NdPO
 
4
·2H
 
2
O
8.CJ.55Mcnearite
NaCa
 
5
[(HAsO
 
4
)
 
4
|AsO
 
4
] · 4H
 
2
O
8.CJ.60Dorfmanite
Na
 
2
(PO
 
3
OH)·2H
 
2
O
8.CJ.65Sincosite
CaV
 
2
(PO
 
4
)
 
2
O
 
2
·5H
 
2
O
8.CJ.65Bariosincosite
Ba(V
4+
 
O)
 
2
(PO
 
4
)
 
2
·4H
 
2
O
8.CJ.70Catalanoite
Na
 
2
[HPO
 
4
] · 8H
 
2
O
Related Minerals - Hey's Index Grouping:
20.2.1Bearsite
Be
 
2
[OH|AsO
 
4
] · 4H
 
2
O
20.2.2Brassite
MgHAsO
 
4
·4H
 
2
O
20.2.3Rösslerite
MgHAsO
 
4
·7H
 
2
O
20.2.4Hörnesite
Mg
 
3
(AsO
 
4
)
 
2
·8H
 
2
O
20.2.5Weilite
CaHAsO
 
4
20.2.6Johnbaumite
Ca
 
5
[OH|(AsO
 
4
)
 
3
]
20.2.8Pharmacolite
CaHAsO
 
4
·2H
 
2
O
20.2.9Sainfeldite
Ca
 
5
H
 
2
(AsO
 
4
)
 
4
·4H
 
2
O
20.2.10Vladimirite
Ca
 
5
[(HAsO
 
4
)
 
2
|(AsO
 
4
)
 
2
] · 5H
 
2
O
20.2.11Guérinite
Ca
 
5
[(HAsO
 
4
)
 
2
|(AsO
 
4
)
 
2
] · 9H
 
2
O
20.2.12Ferrarisite
Ca
 
5
[(HAsO
 
4
)
 
2
|(AsO
 
4
)
 
2
] · 9H
 
2
O
20.2.13Rauenthalite
Ca
 
3
[AsO
 
4
]
 
2
 · 10H
 
2
O
20.2.14Phaunouxite
Ca
 
3
[AsO
 
4
]
 
2
 · 11H
 
2
O
20.2.15Mcnearite
NaCa
 
5
[(HAsO
 
4
)
 
4
|AsO
 
4
] · 4H
 
2
O
20.2.16Bergslagite
CaBe[OH|AsO
 
4
]
20.2.17Adelite
CaMg[AsO
 
4
](OH)
20.2.18Talmessite
Ca
 
2
Mg[AsO
 
4
]
 
2
 · 2H
 
2
O
20.2.19Irhtemite
Ca
 
4
Mg[(HAsO
 
4
)
 
2
|(AsO
 
4
)
 
2
] · 4H
 
2
O
20.2.20Camgasite
CaMg[OH|AsO
 
4
] · 5H
 
2
O
20.2.21Picropharmacolite
Ca
 
4
Mg[(HAsO
 
4
)
 
2
|(AsO
 
4
)
 
2
] · 11H
 
2
O
20.2.22Bariopharmacosiderite
BaFe
3+
4
[(OH)
 
5
|(AsO
 
4
)
 
3
] · 5H
 
2
O

Other Names for Haidingerite

Synonyms:
Haidingerite (of Turner)
German names:
Haidingerit
Russian names:
Гайдингерит
Spanish names:
Haidingerita

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 Haidingerite

Reference List:Haidinger (1825) Edinburgh Journal of Science: 3: 302.

Turner (1827) Edinburgh Journal of Science: 6: 317.

Sandberger, von Fridolin (1885): 407.

Des Cloizeaux (1888) Bulletin de la Société française de Minéralogie: 11: 195.

de Schulten (1903) Bulletin de la Société française de Minéralogie: 26: 20.

Goldschmidt, V. (1918) Atlas der Krystallformen. 9 volumes, atlas, and text: vol. 4: 105.

Larsen, E.S. (1921) The Microscopic Determination of the Nonopaque Minerals, First edition, USGS Bulletin 679: 82.

Guerin (1941) Annales de chimie, Paris: 16: 101.

Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II. John Wiley and Sons, Inc., New York, 7th edition, revised and enlarged, 1124 pp.: 708-709.

Acta Crystallographica: B28: 209-214.

Calleri M., Ferraris G. (1967) - Struttura della haidingerite: CaH(AsO4)*H2O. Periodico di Mineralogia – Roma pp.1- 23.

Abbona F., Ferraris G. (1970) - Contributo alla conoscenza di minerali arsenicali; nota II: ricerche sulla disidratazione della weilite, della haidingerite e della pharmacolite. Periodico di mineralogia – Roma, pp. 183-204.

Internet Links for Haidingerite

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    Localities for Haidingerite

    Hide Locality List
    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.
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    (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.
    Belgium
     
    • Luxembourg Province
      • Stavelot Massif
        • Vielsalm
          • Grand Halleux
    		http://users.skynet.be/jose.dehove/photos/Hourt.htm
    Czech Republic
     
    • Bohemia (Böhmen; Boehmen)
      • Karlovy Vary Region
        • Krušné Hory Mts (Erzgebirge)
          • Ostrov
    		Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 709; Bull. Min. (1964): 87: 169.
    Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 709.
    France
     
    • Alsace
      • Haut-Rhin
        • Ste Marie-aux-Mines (Markirch)
    Germany
     
    • Baden-Württemberg
      • Black Forest
        • Alpirsbach
    		Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 712; Walenta, K. (1992) "Die Mineralien des Schwarzwaldes", Weise (Munich).
        • Schenkenzell
          • Wittichen
            • Böckelsbach valley
    		Walenta: "Die Mineralien des Schwarzwaldes", Weise (Munich), 1992
    • Hesse
      • North Hesse
        • Richelsdorf District
          • Bauhaus
    		Weiss: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990
          • Süss
            • Richelsdorf Smelter
    		S. Weiß: "Mineralfundstellen, Deutschland West", Weise (Munich), 1992
    • Saxony
      • Erzgebirge
    		Lapis, 17 (12), 24-33.
    Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 709.
    Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 709.
        • Schwarzenberg District
    		Lapis, 17 (7/8), 51-58+90.
    Morocco
     
    • Souss-Massa-Draâ Region
      • Ouarzazate Province
        • Tazenakht
    		S. Weiß: Lapis 31(7/8), 72-73 (2006)
    USA
     
    • Nevada
      • Humboldt Co.
        • Potosi District
          • Adam Peak
    		MinRec 19:253-257
    NBMG Spec. Pub. 31 Minerals of Nevada
      • Nye Co.
        • Manhattan District
    		Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 709; Mineralogical Record: 16: 86.
    • New Jersey
      • Sussex Co.
        • Franklin Mining District
          • Ogdensburg
            • Sterling Hill
    		Bayliss, P. & St. J. Warne, S.: Powder Diffraction, 2:225-226 (1987): Dunn(1995):Pt5:669.
    Mineral and/or Locality
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