Haidingerite
A valid IMA mineral species - grandfathered
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About Haidingerite
Wilhelm Karl von Haidinger [February 5, 1795 in Vienna, Austria – March 19, 1871 in Dornbach, Austria]
Formula:
CaHAsO4 · H2O
Colour:
Colorless, white; colorless in transmitted light
Lustre:
Sub-Vitreous, Greasy, Silky, Pearly
Hardness:
2 - 2½
Specific Gravity:
2.848
Crystal System:
Orthorhombic
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.
Unique Identifiers
Mindat ID:
1797
Long-form identifier:
mindat:1:1:1797:4
GUID
(UUID V4):
(UUID V4):
2393317b-1520-4b21-8ef2-8c642613a6bc
IMA Classification of Haidingerite
Approved, 'Grandfathered' (first described prior to 1959)
IMA Formula:
Ca(AsO3OH) · H2O
First published:
1825
Classification of Haidingerite
8.CJ.20
8 : PHOSPHATES, ARSENATES, VANADATES
C : Phosphates without additional anions, with H2O
J : With only large cations
8 : PHOSPHATES, ARSENATES, VANADATES
C : Phosphates without additional anions, with H2O
J : With only large cations
39.1.5.1
39 : HYDRATED ACID PHOSPHATES,ARSENATES AND VANADATES
1 : A[HXO4]·xH2O
39 : HYDRATED ACID PHOSPHATES,ARSENATES AND VANADATES
1 : A[HXO4]·xH2O
20.2.7
20 : Arsenates (also arsenates with phosphate, but without other anions)
2 : Arsenates of Be, Mg, Ca or Ba
20 : Arsenates (also arsenates with phosphate, but without other anions)
2 : Arsenates of Be, Mg, Ca or Ba
Mineral Symbols
As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
| Symbol | Source | Reference |
|---|---|---|
| Hdi | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Physical Properties of Haidingerite
Sub-Vitreous, Greasy, Silky, Pearly
Transparency:
Transparent, Translucent
Comment:
Lustre pearly on cleavage.
Colour:
Colorless, white; colorless in transmitted light
Streak:
White
Hardness:
2 - 2½ on Mohs scale
Tenacity:
Sectile
Cleavage:
Perfect
On {010}, perfect.
On {010}, perfect.
Density:
2.848 g/cm3 (Measured) 2.971 g/cm3 (Calculated)
Comment:
2.962 ± 0.008 (artificial material).
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
Max Birefringence:
δ = 0.048
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
and does not take into account mineral colouration.
Surface Relief:
Moderate
Dispersion:
r > v distinct
Optical Extinction:
parallel
Pleochroism:
Non-pleochroic
Chemistry of Haidingerite
Mindat Formula:
CaHAsO4 · H2O
Elements listed:
Crystallography of Haidingerite
Crystal System:
Orthorhombic
Class (H-M):
mmm (2/m 2/m 2/m) - Dipyramidal
Space Group:
Pbcn
Cell Parameters:
a = 6.93 Å, b = 16.15 Å, c = 7.94 Å
Ratio:
a:b:c = 0.429 : 1 : 0.492
Unit Cell 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
Crystal Structure
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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure
| ID | Species | Reference | Link | Year | Locality | Pressure (GPa) | Temp (K) |
|---|---|---|---|---|---|---|---|
| 0009420 | Haidingerite | Ferraris G, Jones D W, Yerkess J (1972) A neutron and X-ray refinement of the crystal structure of CaHAsO4*H2O (haidingerite) Acta Crystallographica B28 209-214 |  | 1972 | synthetic | 0 | 293 |
| 0009421 | Haidingerite | Ferraris G, Jones D W, Yerkess J (1972) A neutron and X-ray refinement of the crystal structure of CaHAsO4*H2O (haidingerite) Acta Crystallographica B28 209-214 | | 1972 | synthetic | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 8.06 Å | (80) |
| 5.25 Å | (80) |
| 5.22 Å | (100) |
| 3.84 Å | (80) |
| 3.19 Å | (80) |
| 3.15 Å | (80) |
| 3.11 Å | (70) |
| 2.96 Å | (90) |
Comments:
ICDD 18-0288, also 17-0161
Geological Environment
Paragenetic Mode(s):
| Paragenetic Mode | Earliest Age (Ga) |
|---|---|
| Stage 7: Great Oxidation Event | <2.4 |
| 47d : [Arsenates, antimonates, selenates, bismuthinates] |
Geological Setting:
Oxidized zones of arsenical ore deposits.
Type Occurrence of Haidingerite
Place of Conservation of Type Material:
No designated type material.
Synonyms of Haidingerite
Other Language Names for Haidingerite
Common Associates
Associated Minerals Based on Photo Data:
Related Minerals - Strunz-mindat Grouping
| 8.CJ. | Sainfeldite | Ca5(AsO4)2(AsO3OH)2 · 4H2O |
| 8.CJ. | Caesiumpharmacosiderite | CsFe4[(AsO4)3(OH)4] · 4H2O |
| 8.CJ. | Jeankempite | Ca5(AsO4)2(HAsO4)2 · 7H2O |
| 8.CJ. | Airdite | Sr(V4+O)2(PO4)2 · 4H2O |
| 8.CJ. | Dobšináite | Ca2Ca(AsO4)2 · 2H2O |
| 8.CJ.05 | Stercorite | (NH4)Na(PO3OH) · 4H2O |
| 8.CJ.10 | Mundrabillaite | (NH4)2Ca(PO3OH)2 · H2O |
| 8.CJ.10 | Swaknoite | (NH4)2Ca(PO3OH)2 · H2O |
| 8.CJ.15 | Nabaphite | NaBaPO4 · 9H2O |
| 8.CJ.15 | Nastrophite | Na(Sr,Ba)PO4 · 9H2O |
| 8.CJ.25 | Vladimirite | Ca4(AsO4)2(AsO3OH) · 4H2O |
| 8.CJ.25 | Rhabdophane-(Y) | YPO4 · H2O |
| 8.CJ.27 | Churchite-(Dy) | (Dy,Sm,Gd,Nd)PO4 · 2H2O |
| 8.CJ.30 | Ferrarisite | Ca5(AsO4)2(HAsO4)2 · 9H2O |
| 8.CJ.35 | Machatschkiite | (Ca,Na)6(AsO4)(HAsO4)3(PO4,SO4) · 15H2O |
| 8.CJ.35 | Fulbrightite | Ca(VO)2(AsO4)2 · 4H2O |
| 8.CJ.40 | Phaunouxite | Ca3(AsO4)2 · 11H2O |
| 8.CJ.40 | Rauenthalite | Ca3(AsO4)2 · 10H2O |
| 8.CJ.45 | Brockite | (Ca,Th,Ce)PO4 · H2O |
| 8.CJ.45 | Grayite | (Th,Pb,Ca)(PO4) · H2O |
| 8.CJ.45 | Rhabdophane-(Ce) | Ce(PO4) · 0.6H2O |
| 8.CJ.45 | Rhabdophane-(La) | La(PO4) · H2O |
| 8.CJ.45 | Rhabdophane-(Nd) | Nd(PO4) · H2O |
| 8.CJ.45 | Tristramite | (Ca,U,Fe)(PO4,SO4) · 2H2O |
| 8.CJ.45 | Smirnovskite | (Th,Ca)PO4 · nH2O |
| 8.CJ.45 | Štěpite | U(AsO3OH)2 · 4H2O |
| 8.CJ.47 | Vysokýite | U4+[AsO2(OH)2]4 · 4H2O |
| 8.CJ.50 | Ardealite | Ca2(PO3OH)(SO4) · 4H2O |
| 8.CJ.50 | Brushite | Ca(PO3OH) · 2H2O |
| 8.CJ.50 | Churchite-(Y) | Y(PO4) · 2H2O |
| 8.CJ.50 | Pharmacolite | Ca(HAsO4) · 2H2O |
| 8.CJ.50 | Churchite-(Nd) | Nd(PO4) · 2H2O |
| 8.CJ.55 | Mcnearite | NaCa5(AsO4)(HAsO4)4 · 4H2O |
| 8.CJ.60 | Dorfmanite | Na2(PO3OH) · 2H2O |
| 8.CJ.65 | Sincosite | Ca(VO)2(PO4)2 · 5H2O |
| 8.CJ.65 | Bariosincosite | Ba(VO)2(PO4)2 · 4H2O |
| 8.CJ.70 | Catalanoite | Na2(PO3OH) · 8H2O |
| 8.CJ.75 | Guérinite | Ca6(HAsO4)3(AsO4)2 · 10.5H2O |
| 8.CJ.85 | Ningyoite | (U,Ca,Ce)2(PO4)2 · 1-2H2O |
Other Information
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Internet Links for Haidingerite
mindat.org URL:
https://www.mindat.org/min-1797.html
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References for Haidingerite
Reference List:
Larsen, Esper S. (1921) The microscopic determination of the nonopaque minerals. Bulletin Vol. 679. US Geological Survey doi:10.3133/b679 p.82
Localities for Haidingerite
symbol to view information about a locality.
The Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
ⓘ - Click for references and 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).
All localities listed without proper references should be considered as questionable.
Czech Republic (TL) | |
| Palache et al. (1951) +1 other reference |
| Palache et al. (1951) +1 other reference | |
France | |
| P&T N°23-24 et al. (Haut-Rhin) |
| American Mineralogist |
| Bari (1982) +1 other reference | |
| This mine worked the same vein as Gabe ... +2 other references | |
Germany | |
| Walenta (1992) |
| Palache et al. (1951) +1 other reference |
| Weiß (1990) |
| Weiß (1990) | |
| Lapis 17 (12) |
| Stolze et al. (10/2020) |
| Palache et al. (1951) | |
| www.dergraul.de (2001) |
| Palache et al. (1951) | |
Greece | |
| Rieck et al. (2018) |
| Rieck et al. (2018) | |
| Rieck et al. (2018) | |
Morocco | |
| S. Weiß: Lapis 31 (7/8) |
| Locality description |
Russia | |
| Abrosimova et al. (2015) |
Switzerland | |
| Stalder et al. (1998) +1 other reference |
USA | |
| Dunning (1988) |
| Castor et al. (2004) | |
| - (2005) | |
| - (2005) | |
| - (2005) | |
| - (2005) | |
| Mineralogical Record: 16: 86. +1 other reference |
| Bayliss et al. (1987) |
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Jáchymov, Karlovy Vary District, Karlovy Vary Region, Czech Republic