Cuprorhodsite
A valid IMA mineral species
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About Cuprorhodsite
Formula:
(Cu1+0.5Fe3+0.5)Rh3+2S4
Colour:
Iron black
Lustre:
Metallic
Hardness:
5 - 5½
Specific Gravity:
5.88 (Calculated)
Crystal System:
Isometric
Member of:
Name:
Named by N. S. Rudashevskii, Y. P. Men'shikov, A. G. Mochalov, N. V. Trubkin, N. I. Shumskaya, and V. V. Zhdanov in 1985 for the chemical composition.
Unique Identifiers
Mindat ID:
1188
Long-form identifier:
mindat:1:1:1188:0
GUID
(UUID V4):
(UUID V4):
be3958ca-58c7-4f75-ba31-e92fdc4c9e40
IMA Classification of Cuprorhodsite
Approved
IMA status notes:
Redefined by the IMA
IMA Formula:
FeRh2S4
Approval history:
1984: Approved as a new mineral.
Listed in the IMA list as CuRh2S4.
2018: Redefined as (Cu1+0.5Fe3+0.5)Rh3+2S4. [Proposal 17-H; Bosi et al., 2019].
Listed in the IMA list as CuRh2S4.
2018: Redefined as (Cu1+0.5Fe3+0.5)Rh3+2S4. [Proposal 17-H; Bosi et al., 2019].
Classification of Cuprorhodsite
2.DA.05
2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
D : Metal Sulfides, M: S = 3 :4 and 2:3
A : M:S = 3:4
2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
D : Metal Sulfides, M: S = 3 :4 and 2:3
A : M:S = 3:4
2.10.1.16
2 : SULFIDES
10 : AmBnXp, with (m+n):p = 3:4
2 : SULFIDES
10 : AmBnXp, with (m+n):p = 3:4
3.12.8
3 : Sulphides, Selenides, Tellurides, Arsenides and Bismuthides (except the arsenides, antimonides and bismuthides of Cu, Ag and Au, which are included in Section 1)
12 : Sulphides etc. of the platinum metals
3 : Sulphides, Selenides, Tellurides, Arsenides and Bismuthides (except the arsenides, antimonides and bismuthides of Cu, Ag and Au, which are included in Section 1)
12 : Sulphides etc. of the platinum metals
Mineral Symbols
As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
Please only use the official IMA–CNMNC symbol. Older variants are listed for historical use only.
Please only use the official IMA–CNMNC symbol. Older variants are listed for historical use only.
Symbol | Source | Reference |
---|---|---|
Crh | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Crh | The Canadian Mineralogist (2019) | The Canadian Mineralogist (2019) The Canadian Mineralogist list of symbols for rock- and ore-forming minerals (December 30, 2019). download |
Physical Properties of Cuprorhodsite
Metallic
Transparency:
Opaque
Colour:
Iron black
Hardness:
5 - 5½ on Mohs scale
Hardness:
VHN50=498 kg/mm2 - Vickers
Hardness Data:
Measured
Tenacity:
Very brittle
Density:
5.88 g/cm3 (Calculated)
Optical Data of Cuprorhodsite
Reflectivity:
Wavelength | R |
---|---|
460nm | 35.6% |
480nm | 35.8% |
500nm | 36.4% |
520nm | 36.6% |
540nm | 36.7% |
560nm | 36.8% |
580nm | 36.9% |
600nm | 37.0% |
620nm | 37.0% |
640nm | 37.0% |
660nm | 36.9% |
680nm | 36.8% |
700nm | 36.7% |
Graph shows reflectance levels at different wavelengths (in nm). Top of box is 100%. Peak reflectance is 37.0%.
Colour in reflected light:
Gray
Chemistry of Cuprorhodsite
Mindat Formula:
(Cu1+0.5Fe3+0.5)Rh3+2S4
Elements listed:
Common Impurities:
Fe,Ir,Pt
Crystallography of Cuprorhodsite
Crystal System:
Isometric
Class (H-M):
m3m (4/m 3 2/m) - Hexoctahedral
Space Group:
Fd3m
Setting:
Fd3m
Cell Parameters:
a = 9.88 Å
Unit Cell V:
964.43 ų (Calculated from Unit Cell)
Z:
8
Morphology:
Inclusions in isoferroplatinum to 300 microns
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) |
---|---|---|---|---|---|---|---|
0013431 | Cuprorhodsite | Riedel E, Karl R, Rackwitz R (1981) Mossbauer studies of thiospinels. V. The systems Cu1-xFexMe2S4 (Me=Cr,Rh) and Cu1-xFexCr2(S.7Se.3)4 Journal of Solid State Chemistry 40 255-265 | 1981 | synthetic | 0 | 293 | |
0013432 | Cuprorhodsite | Riedel E, Karl R, Rackwitz R (1981) Mossbauer studies of thiospinels. V. The systems Cu1-xFexMe2S4 (Me=Cr,Rh) and Cu1-xFexCr2(S.7Se.3)4 Journal of Solid State Chemistry 40 255-265 | 1981 | synthetic | 0 | 293 | |
0013433 | Cuprorhodsite | Riedel E, Karl R, Rackwitz R (1981) Mossbauer studies of thiospinels. V. The systems Cu1-xFexMe2S4 (Me=Cr,Rh) and Cu1-xFexCr2(S.7Se.3)4 Journal of Solid State Chemistry 40 255-265 | 1981 | synthetic | 0 | 293 | |
0013434 | Cuprorhodsite | Riedel E, Karl R, Rackwitz R (1981) Mossbauer studies of thiospinels. V. The systems Cu1-xFexMe2S4 (Me=Cr,Rh) and Cu1-xFexCr2(S.7Se.3)4 Journal of Solid State Chemistry 40 255-265 | 1981 | synthetic | 0 | 293 | |
0013435 | Cuprorhodsite | Riedel E, Karl R, Rackwitz R (1981) Mossbauer studies of thiospinels. V. The systems Cu1-xFexMe2S4 (Me=Cr,Rh) and Cu1-xFexCr2(S.7Se.3)4 Journal of Solid State Chemistry 40 255-265 | 1981 | synthetic | 0 | 293 | |
0013436 | Cuprorhodsite | Riedel E, Karl R, Rackwitz R (1981) Mossbauer studies of thiospinels. V. The systems Cu1-xFexMe2S4 (Me=Cr,Rh) and Cu1-xFexCr2(S.7Se.3)4 Journal of Solid State Chemistry 40 255-265 | 1981 | synthetic | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
Powder Diffraction Data:
d-spacing | Intensity |
---|---|
3.00 Å | (100) |
2.480 Å | (70) |
1.904 Å | (80) |
1.758 Å | (100) |
1.286 Å | (50) |
1.102 Å | (50) |
1.009 Å | (90) |
Comments:
Rudashevskii, et al. (1985)
Geological Environment
Paragenetic Mode(s):
Paragenetic Mode | Earliest Age (Ga) |
---|---|
Stage 3b: Earth’s earliest hydrosphere | >4.45 |
12 : Hadean hydrothermal subsurface sulfide deposits (see also #33) | |
Near-surface Processes | |
26 : Hadean detrital minerals | |
High-𝑇 alteration and/or metamorphism | |
33 : Minerals deposited by hydrothermal metal-rich fluids (see also [#12]) | |
Stage 4b: Highly evolved igneous rocks | >3.0 |
37 : Layered igneous intrusions and related PGE minerals |
Geological Setting:
Alluvial placers
Type Occurrence of Cuprorhodsite
Co-Type Localities:
Place of Conservation of Type Material:
Mining Institute, St. Petersburg, Russia, 1685/1.
Associated Minerals at Type Locality:
Reference:
Rudashevskii N S, Men'shikov Y. P., Mochalov A. G., Trubkin N. V., Shumskaya N. I., and Zhdanov V. V. (1985) Cuprorhodsite CuRh2S4 and cuproiridsite CuIr2S4 - new natural thiospinels of platinum-group elements. Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva 114, issue 2, 187-195
Synonyms of Cuprorhodsite
Other Language Names for Cuprorhodsite
Relationship of Cuprorhodsite to other Species
Member of:
Other Members of this group:
Cadmoindite | CdIn2S4 | Iso. m3m (4/m 3 2/m) : Fd3m |
Daubréelite | Fe2+Cr3+2S4 | Iso. m3m (4/m 3 2/m) : Fd3m |
Greigite | Fe2+Fe3+2S4 | Iso. m3m (4/m 3 2/m) : Fd3m |
Grimmite | NiCo2S4 | Iso. m3m (4/m 3 2/m) : Fd3m |
Indite | FeIn2S4 | Iso. m3m (4/m 3 2/m) : Fd3m |
Joegoldsteinite | MnCr2S4 | Iso. m3m (4/m 3 2/m) : Fd3m |
Kalininite | ZnCr2S4 | Iso. m3m (4/m 3 2/m) : Fd3m |
Linnaeite | Co2+Co3+2S4 | Iso. m3m (4/m 3 2/m) : Fd3m |
Polydymite | Ni2+Ni3+2S4 | Iso. m3m (4/m 3 2/m) : Fd3m |
Siegenite | CoNi2S4 | Iso. m3m (4/m 3 2/m) : Fd3m |
Tarkianite | (Cu,Fe)(Re,Mo)4S8 | Iso. 4 3m : F4 3m |
Violarite | Fe2+Ni3+2S4 | Iso. m3m (4/m 3 2/m) : Fd3m |
Xingzhongite | Pb2+Ir3+2S4 | Iso. |
Forms a series with:
Common Associates
Associated Minerals Based on Photo Data:
4 photos of Cuprorhodsite associated with Isoferroplatinum | Pt3Fe |
2 photos of Cuprorhodsite associated with Bowieite | Rh2S3 |
1 photo of Cuprorhodsite associated with Kingstonite | (Rh,Ir,Pt)3S4 |
1 photo of Cuprorhodsite associated with Laurite | RuS2 |
1 photo of Cuprorhodsite associated with Osmium | (Os,Ir,Ru) |
1 photo of Cuprorhodsite associated with Braggite | PdPt3S4 |
1 photo of Cuprorhodsite associated with Bornite | Cu5FeS4 |
1 photo of Cuprorhodsite associated with Erlichmanite | OsS2 |
1 photo of Cuprorhodsite associated with Tulameenite | Pt2CuFe |
Related Minerals - Strunz-mindat Grouping
2.DA. | Zaykovite | Rh3Se4 |
2.DA. | Grimmite | NiCo2S4 |
2.DA. | Zolenskyite | FeCr2S4 |
2.DA. | Ezochiite | Cu+(Rh3+Pt4+)S4 |
2.DA. | Ferrodimolybdenite | FeMo2S4 |
2.DA.05 | Bornhardtite | Co2+Co3+2Se4 |
2.DA.05 | Carrollite | CuCo2S4 |
2.DA.05 | Cuproiridsite | (Cu,Fe)Ir2S4 |
2.DA.05 | Daubréelite | Fe2+Cr3+2S4 |
2.DA.05 | Fletcherite | CuNi2S4 |
2.DA.05 | Florensovite | (Cu,Zn)Cr1.5Sb0.5S4 |
2.DA.05 | Greigite | Fe2+Fe3+2S4 |
2.DA.05 | Indite | FeIn2S4 |
2.DA.05 | Kalininite | ZnCr2S4 |
2.DA.05 | Linnaeite | Co2+Co3+2S4 |
2.DA.05 | Malanite | Cu1+(Ir3+Pt4+)S4 |
2.DA.05 | Polydymite | Ni2+Ni3+2S4 |
2.DA.05 | Siegenite | CoNi2S4 |
2.DA.05 | Trüstedtite | Ni3Se4 |
2.DA.05 | Tyrrellite | Cu(Co3+,Ni3+)2Se4 |
2.DA.05 | Violarite | Fe2+Ni3+2S4 |
2.DA.05 | Xingzhongite | Pb2+Ir3+2S4 |
2.DA.05 | Cadmoindite | CdIn2S4 |
2.DA.05 | Cuprokalininite | CuCr2S4 |
2.DA.05 | Joegoldsteinite | MnCr2S4 |
2.DA.05 | Nickeltyrrellite | CuNi2Se4 |
2.DA.05 | Shiranuiite | Cu+(Rh3+Rh4+)S4 |
2.DA.10 | Rhodostannite | Cu1+(Fe2+0.5Sn4+1.5)S4 |
2.DA.10 | Toyohaite | Ag1+(Fe2+0.5Sn4+1.5)S4 |
2.DA.15 | Brezinaite | Cr3S4 |
2.DA.15 | Heideite | (Fe,Cr)1.15(Ti,Fe)2S4 |
2.DA.20 | Inaglyite | Cu3Pb(Ir,Pt)8S16 |
2.DA.20 | Konderite | Cu3Pb(Rh,Pt,Ir)8S16 |
2.DA.25 | Kingstonite | (Rh,Ir,Pt)3S4 |
Fluorescence of Cuprorhodsite
Not fluorescent in UV
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 Cuprorhodsite
mindat.org URL:
https://www.mindat.org/min-1188.html
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References for Cuprorhodsite
Localities for Cuprorhodsite
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.
Albania | |
| Zaccarini F et al. (PGE) +1 other reference |
Australia | |
| Johan et al. (1991) +1 other reference |
5th International Platinum Symposium ... | |
Austria | |
| Zaccarini F et al. (PGE) +4 other references |
| Malitch et al. (2002) |
Melcher+Mali (1998) | |
Brazil | |
| 33rd International Geological Congress (2008) |
Bulgaria | |
| Цинцов (1998) |
Canada | |
| Ames et al. (2017) |
Good et al. (2017) | |
| Zaccarini F et al. (PGE) +1 other reference |
Corrivaux et al. (1990) | |
Colombia | |
| Stribrny et al. (2000) |
Ecuador | |
| Weiser et al. (1993) |
Ethiopia | |
| Stanley et al. (2005) |
Finland | |
| 33rd International Geological Congress (2008) |
| Kojonen et al. (2014) |
| |
Barkov et al. (1999) +1 other reference | |
France | |
| Ducluzaux B. (2022) |
| Ducluzaux B. (2022) |
| Ducluzaux (2022) |
| Lorand et al. (2018) +1 other reference |
| Economic Geology: 89: 1454-1468 +2 other references |
| Y. Moëlo : "Compte-rendu de la ... +3 other references |
Italy | |
| Zaccarini et al. (2005) |
Japan | |
| NISHIO–HAMANE et al. (2022) |
| NISHIO–HAMANE et al. (2022) |
| Dr Daisuke Nishio-Hamane +1 other reference |
Madagascar | |
| Legendre et al. (1992) |
Legendre et al. (1992) | |
North Macedonia | |
| Augé et al. (2017) |
Russia | |
| Britvin et al. (2001) |
| Gornostayev et al. (1999) |
| Mochalov et al. (2022) |
| Sidorov et al. (2021) |
Kutyrev et al. (2018) +1 other reference | |
| Подлипский et al. (1999) |
| Pekov (1998) +1 other reference |
| Zhmodik et al. (2016) |
| Pekov (1998) +1 other reference |
Rudashevsky et al. (1985) +2 other references | |
| Barkov et al. (2018) |
| 33rd International Geological Congress (2008) |
| Podlipsky et al. (2007) |
| Shcheka G.G. et al. (2004) |
| Tony Nikischer |
| Airiyants et al. (2014) |
| Pekov (1998) |
| Stepanov et al. (2019) |
Stepanov et al. (2019) | |
Stepanov et al. (2019) | |
Stepanov et al. (2019) | |
| Garuti et al. (2002) |
| 9th International platinum symposium Chromite-PGE mineralization in the Uktus Alaskan-Type Complex (Central Urals,) +2 other references |
Sierra Leone | |
| Bowles et al. (2018) |
South Africa | |
| Kottke-Levin (2011) |
Oberthür et al. (2021) | |
USA | |
| Belkin et al. (2021) |
| Bart Cannon SEM analysis |
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Mount Filipp, Sobolevsky District, Kamchatka Krai, Russia