Mineralogy Database

Rouxelite Mineral Data

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General Rouxelite Information

Help on Chemical  Formula: Chemical Formula: Cu2HgPb22Sb28S64(O,S)2
Help on Composition: Composition: Molecular Weight = 10485.87 gm
   Copper     1.33 %  Cu
   Mercury    1.76 %  Hg
   Antimony  31.47 %  Sb
   Lead      45.01 %  Pb
   Sulfur    20.04 %  S
   Oxygen     0.39 %  O
            100.00 % 
Help on Empirical Formula: Empirical Formula: Cu2.2Hg0.92Pb22.78Sb27.1S65.53O2.55
Help on Environment: Environment: Occurs in small veinlets that cross-cut dolomitic lenses interstratifed in Ba and Fe-oxide ore, and is closely associated with bournonite, as well as tetrahedrite and sphalerite. Ne w structure type.
Help on IMA Status: IMA Status: Approved IMA 2002 (Dana # Added)
Help on Locality: Locality: Buca della Vena mine, Apuan Alps. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after Jean Rouxel (1935-1998), specialist in solid-state chemistry and member of the French Academy of Science, for his studies of chalcogenides.
Help on Synonym: Synonym: IMA2002-062

Rouxelite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =10.6213:1:9.3306
Help on Cell Dimensions: Cell Dimensions: a = 43.113, b = 4.0591, c = 37.874, Z = 2; beta = 117.35° V = 5,887.06 Den(Calc)= 5.92
Help on Crystal System: Crystal System: Monoclinic - Prismatic H-M Symbol (2/m) Space Group: C 2/m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.402(1)(10.0.2,12.0.8,3.369(0.74)(714,0.0.10 2.815(0.7)(317,11.1.4 2.756(0.36)(516,12.0.3 2.116(0.31)(11.1.15 2.251(0.31)(1.1.12, 1.955(0.3)(

Physical Properties of Rouxelite

Help on Cleavage: Cleavage: None
Help on Color: Color: Black.
Help on Diaphaneity: Diaphaneity: Opaque
Help on Habit: Habit: Acicular - Occurs as needle-like crystals.
Help on Luster: Luster: Metallic

Optical Properties of Rouxelite

Help on RL Anisotrophism: RL Anisotrophism: Distinct.
Help on RL Bireflectance: RL Bireflectance: Weak.
Help on RL Color: RL Color: Light gray.
Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Rouxelite in Air
λ R  ∑ R(λ) 
 470 nm   38.20   
 546 nm   36.40 
 589 nm   35.40 
 650 nm   32.80 
Calculated Relative Intensity Colors of Rouxelite in Air
   0%   30%   60%   90% 100% 120% 150% 180% 210% 240% 260%

Calculated Properties of Rouxelite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=5.03 gm/cc
note: Specific Gravity of Rouxelite =5.92 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.1
Boson Index = 0.9
Help on Photoelectric: Photoelectric: PERouxelite = 953.01 barns/electron
U=PERouxelite x rElectron Density=4,795.38 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Rouxelite is Not Radioactive

Rouxelite Classification

Help on  Dana Class: Dana Class: (03)Sulfides - Sulfosalts
  (03.06)where 2 < z/y < 2.49 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals
  (03.06.21)Dana Group Pizgrischite! (Cu,Fe)Cu14PbBi17S35 C 2/m 2/m Rouxelite! Cu2HgPb22Sb28S64(O,S)2 C 2/m 2/m
Help on  Strunz Class: Strunz Class: 02.JB.25j 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf
  02.J - Sulfosalts of PbS Archetype
  02.JB -Galena derivatives, with Pb
02.JB.25j Rouxelite! Cu2HgPb22Sb28S64(O,S)2 C 2/m 2/m

Other Rouxelite Information

Help on References: References: NAME( AmMin, v91, p219)
Help on See Also: See Also: Links to other databases for Rouxelite :
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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Dana No: Strunz No: 02.JB.25j





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