Mineralogy Database

Ferrorhodsite Mineral Data

Search Webmineral :
  
Advertisment

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   Image in a New Browser Window Images:
Click Here for Larger   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 - Hexoctahedral H-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),
 

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
Relative
Intensity
   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

Search for Ferrorhodsite using:

Google
 
Web webmineral.com
[AOL] [Bing] [Dog Pile] [GeoScienceWorld] [HotBot] [Ixquick] [Lycos] [MAMMA] [Scirus] [Teoma] [WebCrawler] [Wikipedia] [YAHOO]

Visit our Advertisers for Ferrorhodsite :

Ask about Ferrorhodsite here :
Ask-A-Mineralogist from the Mineralogical Society of America
Mindat.org's Discussion Groups
Original Rockhounds Discussion Group
Rockhounds Discussion Group on Yahoo Groups
Mineral Discussion Forum from Fabre Minerals - also available in Espaņol

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:

 

 
   
 


Dakota Matrix
Excalibur Minerals
Exceptional Minerals
Hudson Insitute
John Betts Fine Minerals
Mc Dougall Minerals
Mineral News
Rock and Mineral Shows
Weinrich Minerals, Inc.