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Swedenborgite

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Emanuel Swedenborg
Formula:
NaBe4Sb5+O7
Colour:
Colourless, pale wine- to honey-yellow; colourless in transmitted light
Lustre:
Vitreous
Hardness:
8
Specific Gravity:
4.285
Crystal System:
Hexagonal
Name:
Named after Emanuel Swedenborg (1688-1772), Swedish scientist, philosopher, and religious writer.
This page provides mineralogical data about Swedenborgite.


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Classification of SwedenborgiteHide

Approved, 'Grandfathered' (first described prior to 1959)
4.AC.05

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
A : Metal: Oxygen = 2:1 and 1:1
C : M:O = 1:1 (and up to 1:1.25); with large cations (+- smaller ones)
Dana 7th ed.:
44.2.2.0
44.3.1.1

44 : ANTIMONATES
3 : Miscellaneous
24.2.1

24 : Antimonates and Antimonites
2 : Antimonates of Be, Mg, Ca, Zn or Hg

Pronounciation of SwedenborgiteHide

Pronounciation:
PlayRecorded byFrom
Jolyon & Katya RalphUnited Kingdom

Physical Properties of SwedenborgiteHide

Vitreous
Transparency:
Transparent
Colour:
Colourless, pale wine- to honey-yellow; colourless in transmitted light
Hardness:
Cleavage:
Distinct/Good
On {0001}, distinct.
Fracture:
Sub-Conchoidal
Density:
4.285 g/cm3 (Measured)    4.28 g/cm3 (Calculated)

Optical Data of SwedenborgiteHide

Type:
Uniaxial (-)
RI values:
nω = 1.772 nε = 1.770
Max Birefringence:
δ = 0.002
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Very High
Dispersion:
Strong

Chemical Properties of SwedenborgiteHide

Formula:
NaBe4Sb5+O7

Crystallography of SwedenborgiteHide

Crystal System:
Hexagonal
Class (H-M):
6mm - Dihexagonal Pyramidal
Space Group:
P63mc
Cell Parameters:
a = 5.442 Å, c = 8.848 Å
Ratio:
a:c = 1 : 1.626
Unit Cell V:
226.93 ų (Calculated from Unit Cell)
Z:
2
Morphology:
Crystals short prismatic {1010}, {1011}, and {0001} prominent. May be morphologically hemihedral with c and p unequally developed at opposite terminations of {0001} at times.
Twinning:
Observed, not described.

Type Occurrence of SwedenborgiteHide

Place of Conservation of Type Material:
Swedish Museum of Natural History, Stockholm, Sweden. The Natural History Museum, London, England: #1924,560.
Geological Setting of Type Material:
Skarn in a metamorphosed Fe-Mn ore body.
Associated Minerals at Type Locality:

Other Language Names for SwedenborgiteHide

Common AssociatesHide

Associated Minerals Based on Photo Data:
Calcite5 photos of Swedenborgite associated with Calcite on mindat.org.
Hematite4 photos of Swedenborgite associated with Hematite on mindat.org.
Magnesiotaaffeite-2N’2S1 photo of Swedenborgite associated with Magnesiotaaffeite-2N’2S on mindat.org.
Berzeliite1 photo of Swedenborgite associated with Berzeliite on mindat.org.
Roméite Group1 photo of Swedenborgite associated with Roméite Group on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

4.AC.10BrownmilleriteCa2(Al,Fe3+)2O5Orth. mm2
4.AC.10SrebrodolskiteCa2Fe3+2O5Orth. mmm (2/m 2/m 2/m) : Pnma
4.AC.15MontroyditeHgOOrth. mmm (2/m 2/m 2/m) : Pmmn
4.AC.20LithargePbOTet. 4/mmm (4/m 2/m 2/m) : P4/nmm
4.AC.20RomarchiteSnOTet.
4.AC.25MassicotPbOOrth. mmm (2/m 2/m 2/m) : Cmmm

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

24.2.2ByströmiteMgSb2O6Tet. 4/mmm (4/m 2/m 2/m) : P4/nmm
24.2.3Roméite Group
24.2.4OrdoñeziteZnSb2O6Tet.
24.2.5TheisiteCu5Zn5(AsO4,SbO4)2(OH)14Orth.
24.2.6Shakhovite(Hg+2)Hg2+2(Sb3+O3)(OH)3Mon.

Other InformationHide

Notes:
Insoluble in acids. Decomposed by fusion with Na2CO3 or KHSO4.
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for SwedenborgiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Aminoff (1924) Zeitschrift für Kristallographie, Mineralogie und Petrographie, Leipzig: 60: 262.
Gossner (1925) Centralblatt für Mineralogie, Geologie und Paleontologie, Stuttgart: 289 (morphological resemblance to corundum).
Aminoff (1933) Svenska Vetenskapsakademien, Stockholm, Handlingar: [3]: 11, no. 4: 3.
Pauling, L., H.P. Klug, and A.N. Winchell (1935) The crystal structure of swedenborgite, NaBe4SbO7. American Mineralogist: 20: 492–501.
Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II. John Wiley and Sons, Inc., New York, 7th edition, revised and enlarged, 1124 pp.: 1027-1029.
Welin, E. (1968) X-ray powder data for inerals from Långban and the related mineral deposits of Central Sweden. Arkiv Mineral. Geol., 4(30), 499–541.

Internet Links for SwedenborgiteHide

Localities for SwedenborgiteHide

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Sweden (TL)
 
  • Värmland
    • Filipstad
Zeits. Krist. Min. (1924): 60, 262; Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 1028; Nysten, P., Holtstam, D. and Jonsson, E. (1999) The Långban minerals. In Långban - The mines,their minerals, geology and explorers (D. Holtstam and J. Langhof, eds.), Swedish Museum of Natural History and Raster Förlag, Stockholm & Chr. Weise Verlag, Munich, pp. 89-183.
Mineral and/or Locality  
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