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Svenekite Mineral Data
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General Svenekite Information
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 Chemical Formula: |
Ca(H2AsO4)2 |
| Composition: |
Molecular Weight = 319.93 gm |
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Calcium 12.53 % Ca 17.53 % CaO |
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Arsenic 46.84 % As 71.84 % As2O5 |
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Hydrogen 0.63 % H 5.63 % H2O |
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Oxygen 40.01 % O |
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______ ______ |
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100.00 % 95.00 % = TOTAL OXIDE |
| Empirical Formula: |
CaH2(AsO4)2 |
| IMA Status: |
Proposed IMA 1999 (Dana # Added) |
| Locality: |
Pribram, Bohemia, Czechoslovakia Link to MinDat.org Location Data. |
| Name Origin: |
Commission on New Minerals, Nomenclature and Classification (CNMNC) |
| Synonym: |
IMA1999-007 |
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Svenekite Crystallography
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| Axial Ratios: |
a:b:c =1.1105:1:0.743 |
| Cell Dimensions: |
a = 8.5485, b = 7.6973, c = 5.7198, Z = 2; alpha = 92.59°, beta = 109.87°, gamma = 109.92° V = 332.44 Den(Calc)= 3.20 |
| Crystal System: |
Triclinic - Pinacoidal H-M Symbol ( 1) Space Group: P1 |
| X Ray Diffraction: |
By Intensity(I/Io): 3.558(1), 3.101(0.82), 3.974(0.72),3.041(0.62), 3.7(0.6), 2.666(0.52), 2.173(0.48), |
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Physical Properties of Svenekite
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| Color: |
White, Colorless. |
| Diaphaneity: |
Translucent |
| Luster: |
Vitreous (Glassy) |
| Streak: |
white |
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Optical Properties of Svenekite
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| Gladstone-Dale: |
CI calc= -0.125 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1938,KC= 0.1723
Ncalc = 1.56 |
| Optical Data: |
Biaxial (?), a=1.602, g=1.658, bire=0.0560 |
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Calculated Properties of Svenekite
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| Electron Density: |
Bulk Density (Electron Density)=3.09 gm/cc
note: Specific Gravity of Svenekite =3.25 gm/cc.
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| Fermion Index: |
Fermion Index = 0.0003620934
Boson Index = 0.9996379066 |
| Photoelectric: |
PESvenekite = 33.57 barns/electron
U=PESvenekite x rElectron Density= 103.66 barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Svenekite is Not Radioactive |
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Svenekite Classification
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| Dana Class: |
37.01.07.01 (37)Anhydrous Acid Phosphates, etc |
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(37.01)with miscellaneous formulae |
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(37.01.07)Dana Group |
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37.01.07.01 Svenekite! Ca(H2AsO4)2 P1 1 |
| Strunz Class: |
08.AD.10 08 - PHOSPHATES, ARSENATES, VANADATES |
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08.A - Phosphates, etc. without additional anions, without H2O |
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08.AD -With only large cations |
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08.AD.10 Monetite CaHPO4 P1 1 |
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08.AD.10 Weilite CaHAsO4 P1 1 |
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08.AD.10 Svenekite! Ca(H2AsO4)2 P1 1 |
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Other Svenekite Information
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| References: |
NAME( CanMin, Vol 38) PHYS. PROP.(CanMin, Vol 38) OPTIC PROP.(CanMin, Vol 38) |
| See Also: |
Links to other databases for Svenekite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - MinDAT
7 - Mineralienatlas (Deutsch)
8 - Online Mineral Museum
9 - QUT Mineral Atlas
10 - Ruff.Info
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Print or Cut-and-Paste your Svenekite Specimen Label here :
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Svenekite
Ca(H2AsO4)2
Dana No: 37.01.07.01 Strunz No: 08.AD.10
Locality:
Notes:
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