Ferrorhodsite Mineral Data (original) (raw)

General Ferrorhodsite Information

Help on Chemical Formula: Chemical Formula:

(Fe,Cu)(Rh,Ir,Pt)2S4

Help on Composition: Composition:

Molecular Weight = 417.75 gm

Iron 7.62 % Fe

Copper 6.39 % Cu

Iridium 10.58 % Ir

Platinum 2.33 % Pt

Rhodium 42.37 % Rh

Sulfur 30.70 % S

______

100.00 %

Help on Empirical Formula: Empirical Formula:

Fe2+0.57Cu0.42Rh1.72Ir0.23Pt0.05S4

Help on Environment: Environment:

Found as inclusions in isoferroplatinum in dunnite. The iron dominant analog of cuprorodsite.

Help on IMA Status: IMA Status:

Approved IMA 1996

Help on Locality: Locality:

Gold-platinum placers in the Chadsky and Kondersky dunite massifs, Yakutia-Saha, Russia. Link to MinDat.org Location Data.

Help on Name Origin: Name Origin:

For it's composition and relationship to cuprorhodsite.

Help on Synonym: Synonym:

IMA1996-047

Ferrorhodsite Image

Click Here for Larger Ferrorhodsite Image in a New Browser Window Images:

Click Here for Larger Ferrorhodsite Image Ferrorhodsite Comments: Epoxy grain mount of ferrorhodsite grains. Location: Yukhtochka placer, tributary of South Aldan River, Yakutia, Russia.Scale: Scale Bar 100 µm. © Diederik Visser

Ferrorhodsite Crystallography

Help on Cell Dimensions: Cell Dimensions:

a = 9.89, Z = 8; V = 967.36 Den(Calc)= 5.74

Help on Crystal System: 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/Io): 2.99(1), 1.75(0.9), 2.471(0.8),1.93(0.7), 1.009(0.3), 1.674(0.3),

Click Here for Large Ferrorhodsite Structure Window Crystal Structure:

Mouse
drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
Keyboard
S - Stereo Pair on/off
H - Help Screen
I - Data Info
A - Atoms On/Off
P - Polyhedra On/Off
B - Bonds On/Off
Help on Above

| | 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 Ferrorhodsite

Help on Cleavage: Cleavage:

None

Help on Color: Color:

Black.

Help on Density: Density:

5.71

Help on Diaphaneity: Diaphaneity:

Opaque

Help on Fracture: Fracture:

Fragile - Crystals with a delicate and easily injured structure.

Help on Habit: Habit:

Granular - Generally occurs as anhedral to subhedral crystals in matrix.

Help on Habit: Habit:

Inclusions - Generally found as inclusions in other minerals.

Help on Hardness: Hardness:

4.5 - Between Fluorite and Apatite

Help on Luster: Luster:

Metallic

Help on Streak: Streak:

black

Optical Properties of Ferrorhodsite

Help on RL Color: RL Color:

Gray.

Help on Reflectivity Reflectivity

Standardized Intensity (100%) Reflection Spectra of Ferrorhodsite in Air

λ R ∑ R(λ)
450 nm 40.90
480 nm 41.50
520 nm 41.90
560 nm 41.80
600 nm 41.80
640 nm 41.80
680 nm 41.70
720 nm 41.80

Calculated Relative Intensity Colors of Ferrorhodsite in Air

RelativeIntensity 0% 30% 60% 90% 100% 120% 150% 180% 210% 220%
R

Calculated Properties of Ferrorhodsite

Help on Electron Density: Electron Density:

Bulk Density (Electron Density)=5.22 gm/cc
note: Specific Gravity of Ferrorhodsite =5.74 gm/cc.

Help on Fermion Index: Fermion Index:

Fermion Index = 0.01
Boson Index = 0.99

Help on Photoelectric: Photoelectric:

PEFerrorhodsite = 275.65 barns/electron
U=PEFerrorhodsite x rElectron Density=1,439.36 barns/cc.

Help on Radioactivity: Radioactivity:

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

Ferrorhodsite Classification

Help on Dana Class: Dana Class:

02.10.01.18 (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

Help on Strunz Class: 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 Ferrorhodsite Information

Help on References: References:

NAME( MinRec, V31, No. 2) PHYS. PROP.(MinRec, V 31, No. 2) OPTIC PROP.(AmMin, v 84, p 1685)

Help on See Also: See Also:

Links to other databases for Ferrorhodsite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - MinDAT
7 - Mineralienatlas (Deutsch)
8 - Online Mineral Museum
9 - QUT Mineral Atlas
10 - Ruff.Info

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

Ferrorhodsite

(Fe,Cu)(Rh,Ir,Pt)2S4
Dana No: 02.10.01.18 Strunz No: 02.DA.05
Locality:

Notes: