Roquesite Mineral Data

Roquesite Mineral Data
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General Roquesite Information

Help on Chemical Formula: Chemical Formula: CuInS2
Help on Composition: Composition: Molecular Weight = 242.50 gm
   Indium  47.35 %  In
   Copper  26.20 %  Cu
   Sulfur  26.45 %  S
          ______ 
          100.00 % 
Help on Empirical Formula: Empirical Formula: CuInS2
Help on Environment: Environment: In association with copper sulfides in high-temperature Sn-W-Bi-Mo hydrothermal veins in highly metamorphosed rocks. Occures as inclusions in bornite.
Help on IMA Status: IMA Status: Approved IMA 1963
Help on Locality: Locality: Charrier, Allier, France. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Maurice Roques, University of Clairmont-Gerrand, France.
Help on Name Pronunciation: Name Pronunciation: Roquesite + Pronunciation Say ROQUESITE
Help on Synonym: Synonym: ICSD 28739
  PDF 27-159
 

Roquesite Image

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Roquesite

Comments: Polished section (PPL) showing bluish-gray, anhedral roquesite grains in violet-gray bornite, with blue covellite veinlets.
Location: Charrier, Allier, France. Scale: Picture size 0.7 mm.
© Thomas Witzke

Roquesite Crystallography
Help on Axial Ratios: Axial Ratios: a:c = 1:2.00544
Help on Cell Dimensions: Cell Dimensions: a = 5.51, c = 11.05, Z = 4; V = 335.48 Den(Calc)= 4.80
Help on Crystal System: Crystal System: Tetragonal - ScalenohedralH-M Symbol (4 2m) Space Group: I 42d
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.16(1), 1.94(0.8), 1.66(0.6),
Click Here for Large Roquesite Structure Window Crystal Structure:

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Abrahams S C , Bernstein J L , Journal of Chemical Physics , 59 (1973) p.5415-5420, Piezoelectric nonlinear optic CuGaS2 and CuInS2 crystal structure:, Sublattice distortion in AIBIIIC2VI and AIIBIVC2V type chalcopyrites, Note: Synthetic sample

View Additional jPOWD Structure files for Roquesite
[1]
 

Physical Properties of Roquesite

Help on Color: Color: Gray.
Help on Diaphaneity: Diaphaneity: Opaque
Help on Habit: Habit: Inclusions - Generally found as inclusions in other minerals.
Help on Hardness: Hardness: 3.5-4 - Copper Penny-Fluorite
Help on Luster: Luster: Metallic
 

Optical Properties of Roquesite

Help on RL Anisotrophism: RL Anisotrophism: Very weak.
Help on RL Color: RL Color: Gray with a slight bluish tint.
Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Roquesite in Air
λ R1 R2  ∑ R1(λ)   ∑ R2(λ) 
 400 nm   27.10   27.20 
   
 420 nm   25.60   26.00 
 440 nm   24.10   24.80 
 460 nm   23.40   24.00 
 480 nm   23.00   23.40 
 500 nm   22.60   23.00 
 520 nm   22.50   22.70 
 540 nm   22.20   22.50 
 560 nm   22.20   22.40 
 580 nm   22.10   22.40 
 600 nm   22.10   22.40 
 620 nm   22.20   22.50 
 640 nm   22.30   22.60 
 660 nm   22.40   22.70 
 680 nm   22.60   22.90 
 700 nm   22.80   23.10 
Calculated Relative Intensity Colors of Roquesite in Air
Relative
Intensity		    0%   50% 100% 150% 200% 250% 300% 350% 400%
R1                  
R2                  
 

Calculated Properties of Roquesite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=4.35 gm/cc
note: Specific Gravity of Roquesite =4.80 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0019834803
Boson Index = 0.9980165197
Help on Photoelectric: Photoelectric: PERoquesite = 149.04 barns/electron
U=PERoquesite x rElectron Density= 649.03 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Roquesite is Not Radioactive
 

Roquesite Classification
Help on Dana Class: Dana Class: 02.09.01.04 (02)Sulfides - Including Selenides and Tellurides
  (02.09)where Am Bn Xp, with (m+n):p=1:1
  (02.09.01)Chalcopyrite Group (Tetragonal: I-42d)
 
02.09.01.01 Chalcopyrite CuFeS2 I 42d 4 2m
 
02.09.01.02 Eskebornite CuFeSe2 I 42d 4 2m
 
02.09.01.03 Gallite CuGaS2 I 42d 4 2m
 
02.09.01.04 Roquesite CuInS2 I 42d 4 2m
 
02.09.01.05 Lenaite AgFeS2 P 42mc 4mm
 
02.09.01.06 Laforetite! AgInS2 I 42d 4 2m
Help on Strunz Class: Strunz Class: 02.CB.10a 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf
  02.C - Metal Sulfides, M:S = 1:1 (and similar)
  02.CB -With Zn, Fe, Cu, Ag, Au, etc
 
02.CB.10a Chalcopyrite CuFeS2 I 42d 4 2m
 
02.CB.10a Eskebornite CuFeSe2 I 42d 4 2m
 
02.CB.10a Gallite CuGaS2 I 42d 4 2m
 
02.CB.10a Laforetite! AgInS2 I 42d 4 2m
 
02.CB.10a Lenaite AgFeS2 P 42mc 4mm
 
02.CB.10a Roquesite CuInS2 I 42d 4 2m
 

Other Roquesite Information
Help on References: References: NAME( AntBidBlaNic1) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1)
Help on See Also: See Also: Links to other databases for Roquesite :
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
15 - WWW-MINCRYST

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Roquesite

CuInS2
Dana No: 02.09.01.04 Strunz No: 02.CB.10a
Locality:

 

Notes: