Sverigeite Mineral Data

General Sverigeite Information

Chemical Formula:

NaMnMgSn++++Be2Si3O12(OH)

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

Empirical Formula:

NaMn²⁺MgSnBe₂(Si₃O₁₂)(OH)

Environment:

Found on a mine dump; possibly part of a vein assemblage.

IMA Status:

Approved IMA 1984

Locality:

Langban, Varmland, Sweden. Link to MinDat.org Location Data.

Name Origin:

Named for the country where the mineral was found, Sweden, Sverige in Swedish.

Name Pronunciation:

Sverigeite + Pronunciation

Synonym:

ICSD 203151

PDF 38-392

Search for Sverigeite Images

Images:

Image not yet available on Webmineral.com

Try searching images.google.com or Mindat Picture Gallary for mineral pictures. Caution: The images retrieved may not be appropriate.

Sverigeite Crystallography

Axial Ratios:

a:b:c =0.8148:1:0.5136

Cell Dimensions:

a = 10.815, b = 13.273, c = 6.818, Z = 4; V = 978.71 Den(Calc)= 3.61

Crystal System:

Orthorhombic - DipyramidalH-M Symbol (2/m 2/m 2/m) Space Group: I mma

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 2.884(1), 2.826(0.9), 5.77(0.7),

Crystal Structure:

Mouse
drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
Keyboard
S - Stereo Pair on/off
H - Help Screen
I - Data Info
A - Atoms On/Off
P - Polyhedra On/Off
B - Bonds On/Off
Help on Above

Rouse R C , Peacor D R , Metz G W , American Mineralogist , 74 (1989) p.1343-1350, Sverigeite, a structure containing planar NaO4 groups and chains of 3- and, 4-membered beryllosilicate rings

Physical Properties of Sverigeite

Cleavage:

{010} Perfect

Color:

Yellow.

Density:

3.6

Hardness:

6.5 - Pyrite

Luster:

Vitreous - Dull

Streak:

white

Optical Properties of Sverigeite

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

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

Electron Density:

Bulk Density (Electron Density)=3.42 gm/cc
note: Specific Gravity of Sverigeite =3.60 gm/cc.

Fermion Index:

Fermion Index = 0.08
Boson Index = 0.92

Photoelectric:

PE_Sverigeite= 68.13 barns/electron
U=PE_Sverigeite x rElectron Density= 233.19 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Sverigeite is Not Radioactive

Sverigeite Classification

Dana Class:

51.02.02.01 (51)Nesosilicate Insular SiO4 Groups Only

(51.02)with cations in [4] as well as >[4]

(51.02.02)Dana Group

51.02.02.01 Sverigeite NaMnMgSnBe2Si3O12(OH) I mma 2/m 2/m 2/m

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

References:

NAME( AntBidBlaNic2) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)

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
15 - WWW-MINCRYST

Search for Sverigeite using:

[AOL] [Bing] [Dog Pile] [GeoScienceWorld] [HotBot] [Ixquick] [Lycos] [MAMMA] [Scirus] [Teoma] [WebCrawler] [Wikipedia] [YAHOO]

Visit our Advertisers for Sverigeite :

A Bijoux Google Search for Sverigeite
Adam's Minerals Google Search for Sverigeite
Cape Minerals Google Search for Sverigeite
Dakota Matrix Minerals Google Search for Sverigeite
Excalibur Mineral Corp. Google Search for Sverigeite
Exceptional Minerals Google Search for Sverigeite
John Betts Fine Minerals Search for Sverigeite
McDougall Minerals Google Search for Sverigeite
Mineral News Website Link
Rock and Mineral Shows Google Search for Sverigeite
Weinrich Minerals, Inc. Google Search for Sverigeite

Ask about Sverigeite here :
Ask-A-Mineralogist from the Mineralogical Society of America
Mindat.org's Discussion Groups
Original Rockhounds Discussion Group
Rockhounds Discussion Group on Yahoo Groups
Mineral Discussion Forum from Fabre Minerals - also available in Español

Print or Cut-and-Paste your Sverigeite Specimen Label here :

Sverigeite

NaMnMgSn++++Be2Si3O12(OH)
Dana No: 51.02.02.01 Strunz No: 09.AE.15
Locality:

Notes: