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Sverigeite Mineral Data

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General Sverigeite Information

Help on Chemical  Formula: Chemical Formula: NaMnMgSn++++Be2Si3O12(OH)
Help on Composition: Composition: Molecular Weight = 532.22 gm
   Sodium      4.32 %  Na    5.82 % Na2O
   Magnesium   4.57 %  Mg    7.57 % MgO
   Manganese  10.32 %  Mn   13.33 % MnO
   Beryllium   3.39 %  Be    9.40 % BeO
   Silicon    15.83 %  Si   33.87 % SiO2
   Tin        22.30 %  Sn   28.32 % SnO2
   Hydrogen    0.19 %  H     1.69 % H2O
   Oxygen     39.08 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: NaMn2+MgSnBe2(Si3O12)(OH)
Help on Environment: Environment: Found on a mine dump; possibly part of a vein assemblage.
Help on IMA Status: IMA Status: Approved IMA 1984
Help on Locality: Locality: Langban, Varmland, Sweden. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the country where the mineral was found, Sweden, Sverige in Swedish.
Help on Name Pronunciation: Name Pronunciation: Sverigeite + Pronunciation Say SVERIGEITE
Help on Synonym: Synonym: ICSD 203151
  PDF 38-392

Sverigeite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.8148:1:0.5136
Help on Cell Dimensions: Cell Dimensions: a = 10.815, b = 13.273, c = 6.818, Z = 4; V = 978.71 Den(Calc)= 3.61
Help on Crystal System: Crystal System: Orthorhombic - Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: I mma
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.884(1), 2.826(0.9), 5.77(0.7),

Physical Properties of Sverigeite

Help on Cleavage: Cleavage: {010} Perfect
Help on Color: Color: Yellow.
Help on Density: Density: 3.6
Help on Hardness: Hardness: 6.5 - Pyrite
Help on Luster: Luster: Vitreous - Dull
Help on Streak: Streak: white

Optical Properties of Sverigeite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.005 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= 0.007 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1903,KPDmeas= 0.1908,KC= 0.1917
Ncalc = 1.69
Help on Optical Data: Optical Data: Biaxial (+), a=1.678, b=1.684, g=1.699, bire=0.0210, 2V(Calc)=66, 2V(Meas)=67.

Calculated Properties of Sverigeite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.42 gm/cc
note: Specific Gravity of Sverigeite =3.60 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.08
Boson Index = 0.92
Help on Photoelectric: Photoelectric: PESverigeite = 68.13 barns/electron
U=PESverigeite x rElectron Density= 233.19 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Sverigeite is Not Radioactive

Sverigeite Classification

Help on  Dana Class: Dana Class: (51)Nesosilicate Insular SiO4 Groups Only
  (51.02)with cations in [4] as well as >[4]
  (51.02.02)Dana Group Sverigeite NaMnMgSnBe2Si3O12(OH) I mma 2/m 2/m 2/m
Help on  Strunz Class: Strunz Class: 09.AE.15 09 - SILICATES (Germanates)
  09.A - Nesosilicates
  09.AE -Nesosilicates with additional (O,OH,F,H2O);
09.AE.15 Sverigeite NaMnMgSnBe2Si3O12(OH) I mma 2/m 2/m 2/m

Other Sverigeite Information

Help on References: References: NAME( AntBidBlaNic2) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Sverigeite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info

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Dana No: Strunz No: 09.AE.15





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