Haidingerite Mineral Data

Haidingerite Mineral Data
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General Haidingerite Information

Help on Chemical Formula: Chemical Formula: Ca(AsO3OH)•(H2O)
Help on Composition: Composition: Molecular Weight = 181.01 gm
   Calcium   22.14 %  Ca   30.98 % CaO
   Arsenic   41.39 %  As   63.49 % As2O5
   Hydrogen   1.11 %  H     9.95 % H2O
   Oxygen    35.36 %  O
            ______        ______ 
            100.00 %      104.42 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: CaAsO3•(H2O)
Help on Environment: Environment: Oxidation product of arsenical ores.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1827
Help on Locality: Locality: Jackymov, Zapadocesky Kraj, Bohemia, Czech Republic. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Name for William Karl von Haidinger (1795-1871), Austrain mineralogist and geologist.
Help on Name Pronunciation: Name Pronunciation: Haidingerite + Pronunciation Say HAIDINGERITE
Help on Synonym: Synonym: ICSD 2714
  PDF 18-288
 

Haidingerite Image

Click Here for Larger Haidingerite Image in a New Browser Window Images:
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Haidingerite   Pharmacolite

Comments: Translucent colorless crystalline spherical aggregate of haidingerite with white pharmacolite.
Location: Jachymov, Zapadocesky, Czech Republic. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Haidingerite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =0.4297:1:0.4916
Help on Cell Dimensions: Cell Dimensions: a = 6.94, b = 16.15, c = 7.94, Z = 8; V = 889.92 Den(Calc)= 2.70
Help on Crystal System: Crystal System: Orthorhombic - DipyramidalH-M Symbol (2/m 2/m 2/m) Space Group: Pcnb
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 5.22(1), 2.955(0.8), 8.06(0.6),
Help on Forms: Forms:

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Forms: ( 0 1 1) ( 0 1 0) ( 5 4 2) ( 4 2 1) ( 1 1 0) ( 1 0 0) ( 1 0 2)

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Click Here for Large Haidingerite Structure Window Crystal Structure:

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Ferraris G , Jones D W , Yerkess J , Acta Crystallographica, Section B , 28 (1972) p.209-214, A neutron and X-ray refinement of the crystal structure of CaHAsO4*H2O (haidingerite), Sample: neutron refinement, Locality: synthetic

View Additional jPOWD Structure files for Haidingerite
[1]
 

Physical Properties of Haidingerite

Help on Cleavage: Cleavage: {010} Perfect
Help on Color: Color: Colorless, White.
Help on Density: Density: 2.95
Help on Diaphaneity: Diaphaneity: Transparent to Translucent
Help on Fracture: Fracture: Sectile - Curved shavings or scrapings produced by a knife blade, (e.g. graphite).
Help on Habit: Habit: Encrustations - Forms crust-like aggregates on matrix.
Help on Habit: Habit: Fibrous - Crystals made up of fibers.
Help on Hardness: Hardness: 2-2.5 - Gypsum-Finger Nail
Help on Luster: Luster: Vitreous - Adamantine
Help on Streak: Streak: white
 

Optical Properties of Haidingerite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.025 (Excellent) - where the CI = (1-KPDmeas/KC)
CI calc= -0.12 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2259,KPDmeas= 0.2068,KC= 0.2017
Ncalc = 1.54 - 1.6
Help on Optical Data: Optical Data: Biaxial (+), a=1.59, b=1.602, g=1.638, bire=0.0480, 2V(Calc)=62, 2V(Meas)=58. Dispersion r > v.
Help on Pleochroism (x): Pleochroism (x): none.
Help on Pleochroism (y): Pleochroism (y): none.
Help on Pleochroism (z): Pleochroism (z): none.
 

Calculated Properties of Haidingerite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.84 gm/cc
note: Specific Gravity of Haidingerite =2.95 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0004702783
Boson Index = 0.9995297217
Help on Photoelectric: Photoelectric: PEHaidingerite = 30.71 barns/electron
U=PEHaidingerite x rElectron Density= 87.08 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Haidingerite is Not Radioactive
 

Haidingerite Classification
Help on Dana Class: Dana Class: 39.01.05.01 (39)Hydrated Acid Phosphates, etc
  (39.01)A+ [HXO4] · x(H2O)
  (39.01.05)Dana Group
 
39.01.05.01 Haidingerite Ca(AsO3OH)•(H2O) Pcnb 2/m 2/m 2/m
Help on Strunz Class: Strunz Class: 08.CJ.20 08 - PHOSPHATES, ARSENATES, VANADATES
  08.C - Phosphates without Additional Anions, with H2O
  08.CJ -With only large cations
 
08.CJ.20 Haidingerite Ca(AsO3OH)•(H2O) Pcnb 2/m 2/m 2/m
 

Other Haidingerite Information
Help on References: References: NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Dana8)
Help on See Also: See Also: Links to other databases for Haidingerite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - Franklin Minerals(Dunn)
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - MinMax(Deutsch)
12 - MinMax(English)
13 - Mineralienatlas (Deutsch)
14 - QUT Mineral Atlas
15 - Ruff.Info
16 - WWW-MINCRYST

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Haidingerite

Ca(AsO3OH)•(H2O)
Dana No: 39.01.05.01 Strunz No: 08.CJ.20
Locality:

 

Notes: