Mineralogy Database

Swedenborgite Mineral Data

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General Swedenborgite Information

Help on Chemical  Formula: Chemical Formula: NaBe4SbO7
Help on Composition: Composition: Molecular Weight = 292.78 gm
   Sodium      7.85 %  Na   10.58 % Na2O
   Beryllium  12.31 %  Be   34.17 % BeO
   Antimony   41.58 %  Sb   55.24 % Sb2O5
   Oxygen     38.25 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: NaBe4SbO7
Help on Environment: Environment: Skarn from a metamorphosed Fe�Mn orebody.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1924
Help on Locality: Locality: Langban, Varmland, Sweden. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Emanuel Swedenborg (1688-1772), Swedish philosopher and theologian.
Help on Name Pronunciation: Name Pronunciation: Swedenborgite + Pronunciation Say SWEDENBORGITE
Help on Synonym: Synonym: ICSD 27599
  PDF 23-656

Swedenborgite Image

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Comments: Water clear, prismatic crystal of swedenborgite on matrix. Under UV light it glows intense blue.
Location: Langban, Varmland, Sweden. Scale: Crystal size 1 mm.
© Tom Loomis / Dakota Matrix

Swedenborgite Crystallography

Help on Axial Ratios: Axial Ratios: a:c = 1:1.62587
Help on Cell Dimensions: Cell Dimensions: a = 5.442, c = 8.848, Z = 2; V = 226.93 Den(Calc)= 4.28
Help on Crystal System: Crystal System: Hexagonal - Dihexagonal Pyramidal H-M Symbol (6mm) Space Group: P 63mc
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 4.2(1), 2.51(0.9), 2.72(0.9),
Help on Forms: Forms:

Dbl Clk - Start-Stop Rotation
RMB - Cycle Display Modes
Drag1 - Manipulate Crystal
Drag2 - Resize

S - Stereo
I - Indicies
<space> - Start-Stop Rotation
F - Fit to Screen
M - Menu

Help on Above

Forms: ( 1 1 1) ( 1 1 0) ( 0 0 1)

Warning: this java applet does not work in some browsers because of security restrictions.


Physical Properties of Swedenborgite

Help on Cleavage: Cleavage: {0001} Distinct
Help on Color: Color: Brownish yellow, Colorless, Honey yellow, Light yellow.
Help on Density: Density: 4.285
Help on Diaphaneity: Diaphaneity: Transparent
Help on Fracture: Fracture: Sub Conchoidal - Fractures developed in brittle materials characterized by semi-curving surfaces.
Help on Hardness: Hardness: 8 - Topaz
Help on Luminescence: Luminescence: Fluorescent, Short UV=sky blue, Long UV=deep red.
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white

Optical Properties of Swedenborgite

Help on Dichroism (e): Dichroism (e): colorless.
Help on Dichroism (w): Dichroism (w): colorless.
Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.036 (Excellent) - where the CI = (1-KPDmeas/KC)
CI calc= 0.035 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1801,KPDmeas= 0.1799,KC= 0.1866
Ncalc = 1.8
Help on Optical Data: Optical Data: Uniaxial (-), e=1.77, w=1.772, bire=0.0020.

Calculated Properties of Swedenborgite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.92 gm/cc
note: Specific Gravity of Swedenborgite =4.28 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.12
Boson Index = 0.88
Help on Photoelectric: Photoelectric: PESwedenborgite = 133.86 barns/electron
U=PESwedenborgite x rElectron Density= 524.42 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Swedenborgite is Not Radioactive

Swedenborgite Classification

Help on  Dana Class: Dana Class: (44)Antimonates
  (44.03)with miscellaneous formulae
  (44.03.01)Dana Group Swedenborgite NaBe4SbO7 P 63mc 6mm
Help on  Strunz Class: Strunz Class: 04.AC.05 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate
  04.A - Metal:Oxygen = 2.1 and 1:1
  04.AC -M:O = 1:1 (and up to 1:1.25); with large cations (� smaller ones)
04.AC.05 Swedenborgite NaBe4SbO7 P 63mc 6mm

Other Swedenborgite Information

Help on References: References: NAME( AntBidBlaNic4) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990;Dana8) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Swedenborgite :
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: 04.AC.05





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