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Sorosite
A valid IMA mineral species
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About Sorosite
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.
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.
Unique Identifiers
Mindat ID:
7307
Long-form identifier:
mindat:1:1:7307:9
Similar Names
| Cerasite (of Breithaupt) | A synonym of Mendipite | |
| Cerasite (of Kikuchi) | ||
| Cerusite | A synonym of Cerussite | |
| Cyrosite | A synonym of 'Lonchidite' | |
| Sericite | A variety of Muscovite | KAl2(AlSi3O10)(OH)2 |
IMA Classification of Sorosite
Approved
IMA Formula:
Cu1.1-1.2(Sn,Sb)
Approval year:
1994
First published:
1998
Type description reference:
Classification of Sorosite
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
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 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 for Standard |
|---|---|---|
| Sor | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Physical Properties of Sorosite
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 Sorosite
Anisotropism:
Distinct to moderate; brownish gray to bluish gray
Bireflectance:
Weak to distinct
Reflectivity:
| Wavelength | R1 (%) | R2 (%) |
|---|---|---|
| 440nm | 62.9% | 70.5% |
| 480nm | 65.3% | 73.8% |
| 520nm | 67.2% | 76.3% |
| 560nm | 68.4% | 77.9% |
| 600nm | 69.0% | 78.7% |
| 640nm | 69.0% | 79.0% |
| 680nm | 69.1% | 79.0% |
| 700nm | 69.1% | 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 Sorosite
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.
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.
Elements listed:
Crystallography of Sorosite
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 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) |
|---|---|---|---|---|---|---|---|
| 0011570 | Sorosite | Wyckoff R W G (1963) Second edition. Interscience Publishers, New York, New York Crystal Structures 1 85-237 | 1963 | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 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 Environment
Paragenetic Mode(s):
| Paragenetic Mode | Earliest 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 Sorosite
Place of Conservation of Type Material:
St. Petersburg Mining University, St. Petersburg, Russia, 2083/1,
Synonyms of Sorosite
Other Language Names for Sorosite
Common Associates
Associations Based on Photo Data:
Related Minerals - Strunz-mindat Grouping
| 1.AC.05 | Native Indium | In |
| 1.AC.10 | Native Tin | Sn |
| 1.AC.15 | 'Eta-bronze' | Cu6Sn5 |
| 1.AC.15 | 'UM1965-07-E:CuSn' | Cu3Sn |
| 1.AC.15 | Yuanjiangite | AuSn |
| 1.AC.20 | Rumoiite | AuSn2 |
Other Information
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 Sorosite
mindat.org URL:
https://www.mindat.org/min-7307.html
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Please feel free to link to this page.
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References for Sorosite
Reference List:
Localities for Sorosite
Showing 7 localities.
symbol to view information about a locality.
The Locality List
- This locality has map coordinates listed.
Gland, Nyon, Vaud, Switzerland