Cuprorhodsite Mineral Data

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General Cuprorhodsite Information

Chemical Formula:

CuRh2S4

Composition:

Molecular Weight = 397.62 gm

Copper 15.98 % Cu

Rhodium 51.76 % Rh

Sulfur 32.26 % S

______

100.00 %

Empirical Formula:

CuRh₂S₄

Environment:

In alluvial placers.

IMA Status:

Approved IMA 1985

Locality:

From undefined localities in the Aldan shield and Kamchatka, Far Eastern Region, USSR. Link to MinDat.org Location Data.

Name Origin:

For the chemical composition.

Synonym:

ICSD 41900

PDF 17-644

Cuprorhodsite Image

Images:

Cuprorhodsite

Comments: Grain UK296A-1, erlichmanite (1), Ru-rich erlichmanite (2), cuproiridsite (3), and cuprorhodsite (4). (CanMin, v40:1127).
Location: Uktus chromitites complexes in the northern and central Urals, Russia. Scale: See Image.
© Canadian Mineralogist

Cuprorhodsite Crystallography

Cell Dimensions:

a = 9.88, Z = 8; V = 964.43 Den(Calc)= 5.48

Crystal System:

Isometric - HexoctahedralH-M Symbol (4/m 3 2/m) Space Group: F d3m

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 1.758(1), 3(1), 1.009(0.9),

Crystal Structure:

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drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
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H - Help Screen
I - Data Info
A - Atoms On/Off
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Riedel E , Karl R , Rackwitz R , Journal of Solid State Chemistry , 40 (1981) p.255-265, Mossbauer studies of thiospinels. V. The systems Cu1-xFexMe2S4 (Me=Cr,Rh) and, Cu1-xFexCr2(S.7Se.3)4, Locality: synthetic

Physical Properties of Cuprorhodsite

Cleavage:

None

Color:

Iron black, Black.

Density:

6.74

Diaphaneity:

Opaque

Hardness:

5-5.5 - Apatite-Knife Blade

Luster:

Metallic

Optical Properties of Cuprorhodsite

RL Color:

Gray.

Reflectivity

**Standardized Intensity (100%) Reflection Spectra of Cuprorhodsite in Air**
λ	R₁	R₂	∑ R₁(λ)	∑ R₂(λ)
460 nm	35.60	39.50
480 nm	35.80	39.30
500 nm	36.40	39.30
520 nm	36.60	39.20
540 nm	36.70	39.20
560 nm	36.80	39.10
580 nm	36.90	39.10
600 nm	37.00	39.10
620 nm	37.00	39.00
640 nm	37.00	38.90
660 nm	36.90	38.80
680 nm	36.80	38.80
700 nm	36.70	38.70

**Calculated Relative Intensity Colors of Cuprorhodsite in Air**
Relative Intensity	0%	30%	60%	90%	100%	120%	150%	180%	210%	240%	250%
R₁
R₂

Calculated Properties of Cuprorhodsite

Electron Density:

Bulk Density (Electron Density)=5.04 gm/cc
note: Specific Gravity of Cuprorhodsite =5.48 gm/cc.

Fermion Index:

Fermion Index = 0.002419339
Boson Index = 0.997580661

Photoelectric:

PE_{Cuprorhodsite}= 119.15 barns/electron
U=PE_{Cuprorhodsite} x rElectron Density= 601.03 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Cuprorhodsite is Not Radioactive

Cuprorhodsite Classification

Dana Class:

02.10.01.16 (02)Sulfides - Including Selenides and Tellurides

(02.10)where Am Bn Xp, with (m+n):p=3:4

(02.10.01)Linnaeite Group (Isometric: Fd3m)

02.10.01.01 Linnaeite CoCo2S4 F d3m 4/m 3 2/m

02.10.01.02 Carrollite Cu(Co,Ni)2S4 F d3m 4/m 3 2/m

02.10.01.03 Fletcherite Cu(Ni,Co)2S4 F d3m 4/m 3 2/m

02.10.01.04 Tyrrellite (Cu,Co,Ni)3Se4 F d3m 4/m 3 2/m

02.10.01.05 Bornhardtite CoCo2Se4 F d3m 4/m 3 2/m

02.10.01.06 Siegenite (Ni,Co)3S4 F d3m 4/m 3 2/m

02.10.01.07 Polydymite NiNi2S4 F d3m 4/m 3 2/m

02.10.01.08 Violarite FeNi2S4 F d3m 4/m 3 2/m

02.10.01.09 Trustedtite Ni3Se4 F d3m 4/m 3 2/m

02.10.01.10 Greigite FeFe2S4 F d3m 4/m 3 2/m

02.10.01.11 Daubreelite FeCr2S4 F d3m 4/m 3 2/m

02.10.01.12 Indite FeIn2S4 F d3m 4/m 3 2/m

02.10.01.13 Kalininite ZnCr2S4 F d3m 4/m 3 2/m

02.10.01.14 Florensovite Cu(Cr1.5Sb0.5)S4 F d3m 4/m 3 2/m

02.10.01.15 Cuproiridsite CuIr2S4 F d3m 4/m 3 2/m

02.10.01.16 Cuprorhodsite CuRh2S4 F d3m 4/m 3 2/m

02.10.01.17 Malanite Cu(Pt,Ir)2S4 F d3m 4/m 3 2/m

02.10.01.18 Ferrorhodsite (Fe,Cu)(Rh,Ir,Pt)2S4 F d3m 4/m 3 2/m

02.10.01.19 Cadmoindite! CdIn2S4 F d3m 4/m 3 2/m

Strunz Class:

02.DA.05 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf

02.D - Metal Sulfides, M:S = 3:4 and 2:3

02.DA -M:S = 3:4

02.DA.05 Bornhardtite CoCo2Se4 F d3m 4/m 3 2/m

02.DA.05 Florensovite Cu(Cr1.5Sb0.5)S4 F d3m 4/m 3 2/m

02.DA.05 Carrollite Cu(Co,Ni)2S4 F d3m 4/m 3 2/m

02.DA.05 Fletcherite Cu(Ni,Co)2S4 F d3m 4/m 3 2/m

02.DA.05 Cuproiridsite CuIr2S4 F d3m 4/m 3 2/m

02.DA.05 Cuprorhodsite CuRh2S4 F d3m 4/m 3 2/m

02.DA.05 Dayingite* CuCoPtS4 F m3m 4/m 3 2/m

02.DA.05 Daubreelite FeCr2S4 F d3m 4/m 3 2/m

02.DA.05 Ferrorhodsite (Fe,Cu)(Rh,Ir,Pt)2S4 F d3m 4/m 3 2/m

02.DA.05 Greigite FeFe2S4 F d3m 4/m 3 2/m

02.DA.05 Indite FeIn2S4 F d3m 4/m 3 2/m

02.DA.05 Linnaeite CoCo2S4 F d3m 4/m 3 2/m

02.DA.05 Kalininite ZnCr2S4 F d3m 4/m 3 2/m

02.DA.05 Malanite Cu(Pt,Ir)2S4 F d3m 4/m 3 2/m

02.DA.05 Polydymite NiNi2S4 F d3m 4/m 3 2/m

02.DA.05 Violarite FeNi2S4 F d3m 4/m 3 2/m

02.DA.05 Tyrrellite (Cu,Co,Ni)3Se4 F d3m 4/m 3 2/m

02.DA.05 Siegenite (Ni,Co)3S4 F d3m 4/m 3 2/m

02.DA.05 Xingzhongite (Pb,Cu,Fe)(Ir,Pt,Rh)2S4 F d3m 4/m 3 2/m

02.DA.05 Trustedtite Ni3Se4 F d3m 4/m 3 2/m

02.DA.05 Cadmoindite! CdIn2S4 F d3m 4/m 3 2/m

Other Cuprorhodsite Information

References:

NAME( AntBidBlaNic1) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1)

See Also:

Links to other databases for Cuprorhodsite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - Google Images
6 - Google Scholar
7 - Handbook of Mineralogy (MinSocAm)
8 - Handbook of Mineralogy (UofA)
9 - MinDAT
10 - MinMax(Deutsch)
11 - MinMax(English)
12 - Mineralienatlas (Deutsch)
13 - QUT Mineral Atlas
14 - Ruff.Info

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Print or Cut-and-Paste your Cuprorhodsite Specimen Label here :

Cuprorhodsite

CuRh2S4
Dana No: 02.10.01.16 Strunz No: 02.DA.05
Locality:

Notes: