Mineralogy Database

Svenekite Mineral Data

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General Svenekite Information

Help on Chemical  Formula: Chemical Formula: Ca(H2AsO4)2
Help on Composition: Composition: Molecular Weight = 319.93 gm
   Calcium   12.53 %  Ca   17.53 % CaO
   Arsenic   46.84 %  As   71.84 % As2O5
   Hydrogen   0.63 %  H     5.63 % H2O
   Oxygen    40.01 %  O
            ______        ______ 
            100.00 %       95.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: CaH2(AsO4)2
Help on IMA Status: IMA Status: Proposed IMA 1999 (Dana # Added)
Help on Locality: Locality: Pribram, Bohemia, Czechoslovakia Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Commission on New Minerals, Nomenclature and Classification (CNMNC)
Help on Synonym: Synonym: IMA1999-007

Svenekite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =1.1105:1:0.743
Help on Cell Dimensions: 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
Help on Crystal System: Crystal System: Triclinic - Pinacoidal H-M Symbol ( 1) Space Group: P1
Help on X Ray Diffraction: 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),

Physical Properties of Svenekite

Help on Color: Color: White, Colorless.
Help on Diaphaneity: Diaphaneity: Translucent
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white

Optical Properties of Svenekite

Help on Gladstone-Dale: Gladstone-Dale: CI calc= -0.125 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1938,KC= 0.1723
Ncalc = 1.56
Help on Optical Data: Optical Data: Biaxial (?), a=1.602, g=1.658, bire=0.0560

Calculated Properties of Svenekite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.09 gm/cc
note: Specific Gravity of Svenekite =3.25 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0003620934
Boson Index = 0.9996379066
Help on Photoelectric: Photoelectric: PESvenekite = 33.57 barns/electron
U=PESvenekite x rElectron Density= 103.66 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Svenekite is Not Radioactive

Svenekite Classification

Help on  Dana Class: Dana Class: (37)Anhydrous Acid Phosphates, etc
  (37.01)with miscellaneous formulae
  (37.01.07)Dana Group Svenekite! Ca(H2AsO4)2 P1 1
Help on  Strunz Class: Strunz Class: 08.AD.10 08 - PHOSPHATES, ARSENATES, VANADATES
  08.A - Phosphates, etc. without additional anions, without H2O
  08.AD -With only large cations
08.AD.10 Monetite CaHPO4 P1 1
08.AD.10 Weilite CaHAsO4 P1 1
08.AD.10 Svenekite! Ca(H2AsO4)2 P1 1

Other Svenekite Information

Help on References: References: NAME( CanMin, Vol 38) PHYS. PROP.(CanMin, Vol 38) OPTIC PROP.(CanMin, Vol 38)
Help on See Also: 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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Dana No: Strunz No: 08.AD.10





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