Rhodostannite Mineral Data

Rhodostannite Mineral Data
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General Rhodostannite Information

Help on Chemical Formula: Chemical Formula: Cu2FeSn3S8
Help on Composition: Composition: Molecular Weight = 851.44 gm
   Iron    13.12 %  Fe
   Copper  14.93 %  Cu
   Tin     41.83 %  Sn
   Sulfur  30.13 %  S
          ______ 
          100.00 % 
Help on Empirical Formula: Empirical Formula: Cu22(Fe2+)Sn3S8
Help on Environment: Environment: As a replacement (alteration) product of stannite.
Help on IMA Status: IMA Status: Approved IMA 1968
Help on Locality: Locality: Vila Apacheta, Bolivia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for its reddish color compared to stannite.
Help on Name Pronunciation: Name Pronunciation: Rhodostannite + Pronunciation Say RHODOSTANNITE
Help on Synonym: Synonym: ICSD 8215
  PDF 29-558
 

Rhodostannite Image

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

Rhodostannite   Hocartite

Comments: B&W image of hocartite (hc) and rhodostannite (r) in sphalerite (s) and pyrite (p). (Mineralogical Journal, v15:222).
Location: Toyoha mine, SW Sapporo City, Hokkaido, Japan. Scale: Scale Bar 50µm.
© Mineralogical Journal

Rhodostannite Crystallography
Help on Axial Ratios: Axial Ratios: a:c = 1:1.41426
Help on Cell Dimensions: Cell Dimensions: a = 7.29, c = 10.31, Z = 2; V = 547.92 Den(Calc)= 5.16
Help on Crystal System: Crystal System: Tetragonal - DipyramidalH-M Symbol (4/m) Space Group: I 41/a
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.12(1), 5.93(0.6), 2.58(0.5),
Click Here for Large Rhodostannite Structure Window Crystal Structure:

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


Jumas J C , Philippot E , Maurin M , Acta Crystallographica, Section B , 35 (1979) p.2195-2197, Structure du rhodostannite synthetique, Locality: synthetic

 

Physical Properties of Rhodostannite

Help on Color: Color: Reddish gray.
Help on Diaphaneity: Diaphaneity: Opaque
Help on Habit: Habit: Microscopic Crystals - Crystals visible only with microscopes.
Help on Hardness: Hardness: 4 - Fluorite
Help on Luster: Luster: Metallic
 

Optical Properties of Rhodostannite

Help on RL Anisotrophism: RL Anisotrophism: Distinct , from bluish gray to dark brown.
Help on RL Color: RL Color: Reddish.
Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Rhodostannite in Air
λ R1 R2  ∑ R1(λ)   ∑ R2(λ) 
 400 nm   29.10   30.40 
   
 420 nm   28.70   29.90 
 440 nm   28.30   29.40 
 460 nm   28.20   29.30 
 480 nm   28.20   29.40 
 500 nm   28.30   29.80 
 520 nm   28.50   30.20 
 540 nm   28.80   30.40 
 560 nm   28.90   30.60 
 580 nm   28.90   30.80 
 600 nm   28.90   30.80 
 620 nm   28.90   30.80 
 640 nm   28.80   30.70 
 660 nm   28.80   30.70 
 680 nm   28.70   30.50 
 700 nm   28.60   30.30 
Calculated Relative Intensity Colors of Rhodostannite in Air
Relative
Intensity		    0%   40%   80% 100% 120% 160% 200% 240% 280% 310%
R1                    
R2                    
 

Calculated Properties of Rhodostannite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=4.70 gm/cc
note: Specific Gravity of Rhodostannite =5.16 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.07
Boson Index = 0.93
Help on Photoelectric: Photoelectric: PERhodostannite = 139.14 barns/electron
U=PERhodostannite x rElectron Density= 654.35 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Rhodostannite is Not Radioactive
 

Rhodostannite Classification
Help on Dana Class: Dana Class: 02.10.03.01 (02)Sulfides - Including Selenides and Tellurides
  (02.10)where Am Bn Xp, with (m+n):p=3:4
  (02.10.03)Dana Group
 
02.10.03.01 Rhodostannite Cu2FeSn3S8 I 41/a 4/m
 
02.10.03.02 Toyohaite Ag2FeSn3S8 I 41/a 4/m
Help on Strunz Class: Strunz Class: 02.DA.10 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.10 Rhodostannite Cu2FeSn3S8 I 41/a 4/m
 
02.DA.10 Toyohaite Ag2FeSn3S8 I 41/a 4/m
 

Other Rhodostannite Information
Help on References: References: NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(AntBidBlaNic1)
Help on See Also: See Also: Links to other databases for Rhodostannite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info
15 - WWW-MINCRYST

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Rhodostannite

Cu2FeSn3S8
Dana No: 02.10.03.01 Strunz No: 02.DA.10
Locality:

 

Notes: