Swedenborgite
A valid IMA mineral species - grandfathered
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About Swedenborgite
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.
Unique Identifiers
Mindat ID:
3845
Long-form identifier:
mindat:1:1:3845:0
GUID
(UUID V4):
(UUID V4):
8a200ebe-13ec-47eb-a778-861762b4ba64
IMA Classification of Swedenborgite
Approved, 'Grandfathered' (first described prior to 1959)
Classification of Swedenborgite
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)
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
44 : ANTIMONATES
3 : Miscellaneous
24.2.1
24 : Antimonates and Antimonites
2 : Antimonates of Be, Mg, Ca, Zn or Hg
24 : Antimonates and Antimonites
2 : Antimonates of Be, Mg, Ca, Zn or Hg
Mineral Symbols
As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
Symbol | Source | Reference |
---|---|---|
Swe | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Pronunciation of Swedenborgite
Pronunciation:
Play | Recorded by | Country |
---|---|---|
Jolyon Ralph | United Kingdom |
Physical Properties of Swedenborgite
Vitreous
Transparency:
Transparent
Colour:
Colourless, pale wine- to honey-yellow; colourless in transmitted light
Hardness:
8 on Mohs scale
Cleavage:
Distinct/Good
On {0001}, distinct.
On {0001}, distinct.
Fracture:
Sub-Conchoidal
Density:
4.285 g/cm3 (Measured) 4.28 g/cm3 (Calculated)
Optical Data of Swedenborgite
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.
and does not take into account mineral colouration.
Surface Relief:
Very High
Dispersion:
Strong
Chemistry of Swedenborgite
Mindat Formula:
NaBe4Sb5+O7
Elements listed:
Crystallography of Swedenborgite
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.
Crystal Structure
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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure
ID | Species | Reference | Link | Year | Locality | Pressure (GPa) | Temp (K) |
---|---|---|---|---|---|---|---|
0000013 | Swedenborgite | Pauling L, Klug H P, Winchell A N (1935) The crystal structure of swedenborgite, NaBe4SbO7 American Mineralogist 20 492-501 | 1935 | not given | 0 | 293 | |
0005708 | Swedenborgite | Huminicki D M C, Hawthorne F C (2001) Refinement of the crystal structure of swedenborgite The Canadian Mineralogist 39 153-158 | 2001 | 0 | 293 | ||
0018096 | Swedenborgite | Aminoff G (1933) On the structure and chemical composition of Swedenborgite _cod_database_code 1011229 Kunglia Svenska Vetenskaps Akademiens Handlingar 11 1-13 | 1933 | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
Powder Diffraction Data:
d-spacing | Intensity |
---|---|
4.20 Å | (100) |
2.72 Å | (90) |
2.51 Å | (90) |
2.32 Å | (90) |
3.22 Å | (80) |
4.70 Å | (70) |
4.40 Å | (70) |
Comments:
Långban, Sweden.
Geological Environment
Paragenetic Mode(s):
Paragenetic Mode | Earliest Age (Ga) |
---|---|
High-𝑇 alteration and/or metamorphism | |
32 : Ba/Mn/Pb/Zn deposits, including metamorphic deposits |
Type Occurrence of Swedenborgite
Place of Conservation of Type Material:
Swedish Museum of Natural History, Stockholm, Sweden.
The Natural History Museum, London, England: #1924,560.
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 Swedenborgite
Common Associates
Associated Minerals Based on Photo Data:
9 photos of Swedenborgite associated with Calcite | CaCO3 |
4 photos of Swedenborgite associated with Hematite | Fe2O3 |
1 photo of Swedenborgite associated with Magnesiotaaffeite-2N’2S | Mg3Al8BeO16 |
1 photo of Swedenborgite associated with Berzeliite | (NaCa2)Mg2(AsO4)3 |
1 photo of Swedenborgite associated with Roméite Group | A2(Sb5+)2O6Z |
1 photo of Swedenborgite associated with Magnesioferrite | MgFe3+2O4 |
Related Minerals - Strunz-mindat Grouping
4.AC.10 | Brownmillerite | Ca2(Al,Fe3+)2O5 |
4.AC.10 | Srebrodolskite | Ca2Fe3+2O5 |
4.AC.10 | Shulamitite | Ca3TiFe3+AlO8 |
4.AC.10 | Sharyginite | Ca3TiFe2O8 |
4.AC.15 | Montroydite | HgO |
4.AC.20 | Litharge | PbO |
4.AC.20 | Romarchite | SnO |
4.AC.25 | Massicot | PbO |
4.AC.30 | Nataliakulikite | Ca4Ti2(Fe3+,Fe2+)(Si,Fe3+,Al)O11 |
Fluorescence of Swedenborgite
Fluoresces deep red under LW/MW UV, and deep blue under SW UV.
Other Information
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.
Internet Links for Swedenborgite
mindat.org URL:
https://www.mindat.org/min-3845.html
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References for Swedenborgite
Reference List:
Huminicki, D. M.C., Hawthorne, F. C. (2001) Refinement of the crystal structure of swedenborgite. The Canadian Mineralogist, 39 (1) 153-158 doi:10.2113/gscanmin.39.1.153
Shannon, Robert D., Shannon, Ruth C., Medenbach, Olaf, Fischer, Reinhard X. (2002) Refractive Index and Dispersion of Fluorides and Oxides. Journal of Physical and Chemical Reference Data, 31 (4) 931-970 doi:10.1063/1.1497384
Localities for Swedenborgite
Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
ⓘ - Click for references and 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 (e.g. from pseudomorphs).
All localities listed without proper references should be considered as questionable.
All localities listed without proper references should be considered as questionable.
Sweden (TL) | |
| Zeits. Krist. Min. (1924) +2 other references |
Langhof (2009) | |
Lorin (2003) |
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Långban Mine, Långban Ore District, Filipstad, Värmland County, Sweden