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Sorosite

A valid IMA mineral species
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About SorositeHide

00660440017271929032402.jpg
George Soros
Formula:
Cu1+x(Sn,Sb)
where 0.1 ≤ x ≤ 0.2.
Barkov et al. (2006) suggest the general revised formula (Cu,Fe)1+x(Sn,Sb), where 0.1 ≤ x ≤ 0.2.
Lustre:
Metallic
Hardness:
5 - 5½
Specific Gravity:
7.6 (Calculated)
Crystal System:
Hexagonal
Name:
Named after George Soros (12 August 1930, Budapest, Hungary - ), well-known American financier, in recognition of his important philanthropic finding and support of science, especially in Central and Eastern Europe.
Chemically similar minerals are also 'bronze', 'UM1978-02-E:CuPbSn', and 'UM1985-05-E:CuSn'.


Unique IdentifiersHide

Mindat ID:
7307
Long-form identifier:
mindat:1:1:7307:9

Similar NamesHide

IMA Classification of SorositeHide

Classification of SorositeHide

1.AC.15

1 : ELEMENTS (Metals and intermetallic alloys; metalloids and nonmetals; carbides, silicides, nitrides, phosphides)
A : Metals and Intermetallic Alloys
C : Indium-tin family
Dana 7th ed.:
1.1.7.1

Mineral SymbolsHide

As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

SymbolSourceReference for Standard
SorIMA–CNMNCWarr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Physical Properties of SorositeHide

Metallic
Transparency:
Opaque
Hardness:
5 - 5½ on Mohs scale
Hardness:
VHN40=381 - 498 kg/mm2 - Vickers
Tenacity:
Very brittle
Density:
7.6 g/cm3 (Calculated)

Optical Data of SorositeHide

Anisotropism:
Distinct to moderate; brownish gray to bluish gray
Bireflectance:
Weak to distinct
Reflectivity:
WavelengthR1 (%)R2 (%)
440nm62.9%70.5%
480nm65.3%73.8%
520nm67.2%76.3%
560nm68.4%77.9%
600nm69.0%78.7%
640nm69.0%79.0%
680nm69.1%79.0%
700nm69.1%79.1%


Graph shows reflectance levels at different wavelengths (in nm). Peak reflectance is 79.1%.
R1 shown in black, R2 shown in red
Colour in reflected light:
Nearly white with pinkish tint

Chemistry of SorositeHide

Mindat Formula:
Cu1+x(Sn,Sb)

where 0.1 ≤ x ≤ 0.2.
Barkov et al. (2006) suggest the general revised formula (Cu,Fe)1+x(Sn,Sb), where 0.1 ≤ x ≤ 0.2.

Crystallography of SorositeHide

Crystal System:
Hexagonal
Class (H-M):
6/mmm(6/m2/m2/m) - Dihexagonal Dipyramidal
Space Group:
P63/mmc
Cell Parameters:
a = 4.217(4) Å, c = 5.120(6) Å
Ratio:
a:c = 1 : 1.214
Unit Cell V:
78.85 ų (Calculated from Unit Cell)
Z:
4
Morphology:
Hexagonal to anhedral inclusions in tin.
Comment:
P63/mmc is probable space group.

Crystal StructureHide

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IDSpeciesReferenceLinkYearLocalityPressure (GPa)Temp (K)
0011570SorositeWyckoff R W G (1963) Second edition. Interscience Publishers, New York, New York Crystal Structures 1 85-23719630293
CIF Raw Data - click here to close

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
2.970 Å(100)
2.094 Å(90)
2.112 Å(80)
1.487 Å(50)
1.218 Å(50)
1.212 Å(50)
1.333 Å(40)

Geological EnvironmentHide

Paragenetic Mode(s):
Paragenetic ModeEarliest Age (Ga)
Near-surface Processes
26 : Hadean detrital minerals
High-? alteration and/or metamorphism
33 : Minerals deposited by hydrothermal metal-rich fluids (see also [#12])

Type Occurrence of SorositeHide

Synonyms of SorositeHide

Other Language Names for SorositeHide

Dutch:Sorosiet
German:Sorosit
Spanish:Sorosita

Common AssociatesHide

Associations Based on Photo Data:
1 photo of Sorosite associated with StistaiteSnSb
1 photo of Sorosite associated with Native LeadPb
1 photo of Sorosite associated with QuartzSiO2

Related Minerals - Strunz-mindat GroupingHide

1.AC.05Native IndiumInTet. 4/mmm(4/m2/m2/m) : I4/mmm
1.AC.10Native TinSnTet. 4/mmm(4/m2/m2/m) : I41/amd
1.AC.15'Eta-bronze'Cu6Sn5Hex.
1.AC.15'UM1965-07-E:CuSn'Cu3Sn
1.AC.15YuanjiangiteAuSnHex. 6/mmm(6/m2/m2/m) : P63/mmc
1.AC.20RumoiiteAuSn2Orth. mmm(2/m2/m2/m) : Pbca

Other InformationHide

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 SorositeHide

References for SorositeHide

Localities for SorositeHide

Showing 7 localities.

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.
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Locality ListHide

- 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.
Atlantic Ocean
 
  • Mid-Atlantic Ridge complex
    • Trans-Atlantic Geotraverse hydrothermal field (TAG)
Mineralogical Society of America - ... +1 other reference
Australia
 
  • Tasmania
    • Circular Head municipality
      • Arthur River district
TCR11/6305 (Mineral Resources Tasmania Company Report)
Bulgaria
 
  • Pazardzhik Province
    • Panagyurishte Municipality
      • Panagyurishte
Cioacă et al. (2018)
Colombia
 
  • Chocó Department
    • Novita
Mineralogical Society of America - ...
Russia (TL)
 
  • Chukotka Autonomous Okrug
    • Bilibinsky District
      • Kolyma area
        • Bol'shoi Anyui River Basin
          • Baimka River
            • Aluchinskii Massif (Aluchin horst)
Barkov et al. (1998)
  • Sverdlovsk Oblast
    • Nevyansky District
Steffen Möckel EDS analysis (2005)
Switzerland
 
  • Vaud
    • Nyon
Musée de Géologie de Lausanne (Switzerland)
 
and/or  
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