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Haidingerite

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

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Formula:
CaHAsO
 
4
 · H
 
2
O
System:OrthorhombicColour:Colorless, white; ...
Hardness:2 - 2½
Name:
Named in 1827 by Edward Turner to honour Wilhelm Karl von Haidinger [February 5, 1795 in Vienna, Austria – March 19, 1871 in Dornbach, Austria). Haidinger was a pupil of Friedrich Mohs and translated some of his works. Director of the Haidinger porcelain factory at Elbogen, Austria. Later, Councellor of Mines in Vienna and director of the Imperial geological Institute. He was a prolific researcher and author.


White crystals in brushy sprays.

The mineral has been confused with gypsum.

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), Jáchymov (St Joachimsthal) District, 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:Sub-Vitreous, Greasy, Silky, Pearly
Diaphaneity (Transparency):Transparent, Translucent
Comment:Lustre pearly on cleavage.
Colour:Colorless, white; colorless in transmitted light.
Streak:White
Hardness (Mohs):2 - 2½
Tenacity:Sectile
Cleavage:Perfect
On {010}, perfect.
Density (measured):2.848 g/cm3
Density (calculated):2.971 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
Space Group:Pbcn {P21/b 2/c 21/n}
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)
Z:8
Morphology:Isolated crystals rare, brushy sprays of somewhat equidimensional to short prismatic [001] or [100]. Fine-grained botryoidal to fibrous coatings.
Twinning:On {110}, rare.
Comment:Chosen cell is Pcnb
X-Ray Powder Diffraction:
d-spacingIntensity
8.06 (80)
5.25 (80)
5.22 (100)
3.84 (80)
3.19 (80)
3.15 (80)
3.11 (70)
2.96 (90)
Comments:ICDD 18-0288, also 17-0161

Optical Data of Haidingerite

Type:Biaxial (+)
RI values: nα = 1.590 nβ = 1.602 nγ = 1.638
2V:Measured: 58° , Calculated: 62°
Birefringence:0.048
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
Optical Extinction:parallel
Pleochroism:Non-pleochroic

Chemical Properties of Haidingerite

Formula:
CaHAsO
 
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
Na(NH
 
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
(AsO
 
4
)
 
2
(HAsO
 
4
)
 
2
 · 5H
 
2
O
8.CJ.30Ferrarisite
Ca
 
5
(AsO
 
4
)
 
2
(HAsO
 
4
)
 
2
 · 9H
 
2
O
8.CJ.35Machatschkiite
(Ca,Na)
 
6
(AsO
 
4
)(HAsO
 
4
)
 
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.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.45UM1997-20-AsO:HU
U
4+
 
(HAsO
 
4
)
 
2
 · 4H
 
2
O
8.CJ.45Smirnovskite
ThCa(PO
 
4
)
 
2
 · nH
 
2
O
8.CJ.50Ardealite
Ca
 
2
(HPO
 
4
)(SO
 
4
) · 4H
 
2
O
8.CJ.50Brushite
Ca(HPO
 
4
) · 2H
 
2
O
8.CJ.50Churchite-(Y)
Y(PO
 
4
) · 2H
 
2
O
8.CJ.50Pharmacolite
Ca(HAsO
 
4
) · 2H
 
2
O
8.CJ.50Churchite-(Nd)
Nd(PO
 
4
) · 2H
 
2
O
8.CJ.55Mcnearite
NaCa
 
5
(AsO
 
4
)(HAsO
 
4
)
 
4
 · 4H
 
2
O
8.CJ.60Dorfmanite
Na
 
2
HPO
 
4
 · 2H
 
2
O
8.CJ.65Sincosite
Ca(VO)
 
2
(PO
 
4
)
 
2
 · 5H
 
2
O
8.CJ.65Bariosincosite
Ba(VO)
 
2
(PO
 
4
)
 
2
 · 4H
 
2
O
8.CJ.70Catalanoite
Na
 
2
(HPO
 
4
) · 8H
 
2
O
8.CJ.75Guérinite
Ca
 
5
(AsO
 
4
)
 
2
(HAsO
 
4
)
 
2
 · 9H
 
2
O
8.CJ.85Ningyoite
CaU(PO
 
4
)
 
2
 · 1-2H
 
2
O
Related Minerals - Hey's Index Grouping:

- +
20.2.1Bearsite
Be
 
2
(AsO
 
4
)(OH) · 4H
 
2
O
20.2.2Brassite
Mg(HAsO
 
4
) · 4H
 
2
O
20.2.3Rösslerite
Mg(HAsO
 
4
) · 7H
 
2
O
20.2.4Hörnesite
Mg
 
3
(AsO
 
4
)
 
2
 · 8H
 
2
O
20.2.5Weilite
Ca(HAsO
 
4
)
20.2.6Johnbaumite
Ca
 
5
(AsO
 
4
)
 
3
OH
20.2.8Pharmacolite
Ca(HAsO
 
4
) · 2H
 
2
O
20.2.9Sainfeldite
CaCa
 
2
Ca
 
2
(AsO
 
4
)
 
2
(HAsO
 
4
)
 
2
 · 4H
 
2
O
20.2.10Vladimirite
Ca
 
5
(AsO
 
4
)
 
2
(HAsO
 
4
)
 
2
 · 5H
 
2
O
20.2.11Guérinite
Ca
 
5
(AsO
 
4
)
 
2
(HAsO
 
4
)
 
2
 · 9H
 
2
O
20.2.12Ferrarisite
Ca
 
5
(AsO
 
4
)
 
2
(HAsO
 
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
(AsO
 
4
)(HAsO
 
4
)
 
4
 · 4H
 
2
O
20.2.16Bergslagite
CaBeAsO
 
4
(OH)
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(AsO
 
4
)
 
2
(HAsO
 
4
)
 
2
 · 4H
 
2
O
20.2.20Camgasite
CaMg(AsO
 
4
)(OH) · 5H
 
2
O
20.2.21Picropharmacolite
Ca
 
4
Mg(AsO
 
4
)
 
2
(HAsO
 
4
)
 
2
 · 11H
 
2
O
20.2.22Bariopharmacosiderite
Ba
 
0.5
Fe
3+
4
(AsO
 
4
)
 
3
(OH)
 
4
 · 5H
 
2
O

Other Names for Haidingerite

Synonyms:
Haidingerite (of Turner)
Other Languages:
German:Haidingerit
Russian:Гайдингерит
Simplified Chinese:砷钙石
Spanish: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.
Bull. Min. 89:18 (1966).
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.
Acta Crystallographica: B28: 209-214. (1972) structure.
American Mineralogist (1979): 64:1248.

Internet Links for Haidingerite

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

    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.
    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)
          • Jáchymov (St Joachimsthal) 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; 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)
    		American Mineralogist, Volume 67, pages 854-860, l982
    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
      • 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
        • Johanngeorgenstadt 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.
    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
          • Langenberg
            • Graul
    		http://www.dergraul.de
    Morocco
     
    • Souss-Massa-Draâ Region
      • Ouarzazate Province
        • Tazenakht
    		S. Weiß: Lapis 31(7/8), 72-73 (2006)
    Switzerland
     
    • Wallis (Valais)
      • Anniviers Valley
        • Ayer
    		Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Wepf (Basel), p. 205.
    USA
     
    • Nevada
      • Humboldt Co.
        • Potosi District
          • Adam Peak
    		MinRec 19:253-257
    NBMG Spec. Pub. 31 Minerals of Nevada
    U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia
      • Nye Co.
        • Manhattan District
          • Manhattan
    		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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