Chrisstanleyite Mineral Data

Chrisstanleyite Mineral Data
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General Chrisstanleyite Information

Help on Chemical Formula: Chemical Formula: Ag2Pd3Se4
Help on Composition: Composition: Molecular Weight = 833.49 gm
   Copper      3.13 %  Cu
   Silver     20.58 %  Ag
   Palladium  38.69 %  Pd
   Selenium   37.61 %  Se
             ______ 
             100.00 % 
Help on Empirical Formula: Empirical Formula: Cu0.41Ag1.59Pd3.03Se3.97
Help on Environment: Environment: In calcite veins cutting limestones.
Help on IMA Status: IMA Status: Approved IMA 1998 (Dana # Added)
Help on Locality: Locality: Hope's Nose, northern side of Tor Bay, Torquay, Devon, England, United Kingdom. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: For Dr. Chris J. Stanley (1954-) of The Natural History Museum in London, in recognition of his contributions to ore mineralogy.
Help on Synonym: Synonym: IMA1996-044
 

Chrisstanleyite Image

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Chrisstanleyite   Hakite

Comments: Polished section showing chrisstanleyite (chr) is present as a single grain intergrown with clausthalite (cl) and eucairite (eu). cp (chalcopyrite), ha (hakite), di (selenian digenite), bo (bornite). (CanMin, v43:689).
Location: Low-temperature selenium-rich assemblage at Predborice, Czech Republic. Scale: See Image.
© Canadian Mineralogist
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Chrisstanleyite   Tischendorfite   Tiemannite

Comments: Polished section (PPL) showing tischendorfite (T, cream), clausthalite (Cl, off-white), tiemannite (Tie, gray), ankerite (black) and chrisstanleyite (C, greenish buff to pale brown).
Location: Eskaborner Stollen (Eskeborn Adit) at Tilkerode, Harz, Mountains, Germany. (CanMin v40:739). Scale: Picture Size 275 µm.
© Canadian Mineralogist

Chrisstanleyite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =0.5488:1:0.6131
Help on Cell Dimensions: Cell Dimensions: a = 5.676, b = 10.342, c = 6.341, Z = 2; beta = 114.996° V = 337.36 Den(Calc)= 8.20
Help on Crystal System: Crystal System: Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 21/c
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 1.956(1), 2.742(1), 2.688(0.8),
Click Here for Large Chrisstanleyite Structure Window Crystal Structure:

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Topa D , Makovicky E , Balic-Zunic T , The Canadian Mineralogist , 44 (2006) p.497-505, The crystal structures of jagueite, Cu2Pd3Se4, and chrisstanleyite, Ag2Pd3Se4, Locality: El Chire, La Rioja, Argentina

 

Physical Properties of Chrisstanleyite

Help on Color: Color: Gray, Silvery gray.
Help on Density: Density: 8.31
Help on Diaphaneity: Diaphaneity: Opaque
Help on Habit: Habit: Aggregates - Made of numerous individual crystals or clusters.
Help on Habit: Habit: Microscopic Crystals - Crystals visible only with microscopes.
Help on Hardness: Hardness: 5 - Apatite
Help on Luster: Luster: Metallic
Help on Streak: Streak: black
 

Optical Properties of Chrisstanleyite

Help on RL Anisotrophism: RL Anisotrophism: Moderate.
Help on RL Bireflectance: RL Bireflectance: Weak.
Help on RL Color: RL Color: Very light buff to slightly gray-green.
Help on RL Pleochroism: RL Pleochroism: Slight.
Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Chrisstanleyite in Air
λ R1 R2  ∑ R1(λ)   ∑ R2(λ) 
 470 nm   39.70   47.20 
   
 546 nm   43.10   48.80 
 589 nm   44.30   49.40 
 650 nm   44.40   49.20 
Standardized Intensity (100%) Reflection Spectra of Chrisstanleyite in Oil
λ R1 R2  ∑ R1(λ)   ∑ R2(λ) 
 470 nm   26.20   34.40 
   
 546 nm   29.30   35.15 
 589 nm   30.40   35.55 
 650 nm   31.00   35.60 
Calculated Relative Intensity Colors of Chrisstanleyite in Air
Relative
Intensity		    0%   30%   60%   90% 100% 120% 150% 180% 210% 230%
R1                    
R2                    
Calculated Relative Intensity Colors of Chrisstanleyite in Oil
Relative
Intensity		    0%   40%   80% 100% 120% 160% 200% 240% 280% 320% 340%
R1                      
R2                      
 

Calculated Properties of Chrisstanleyite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=7.10 gm/cc
note: Specific Gravity of Chrisstanleyite =8.20 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.11
Boson Index = 0.89
Help on Photoelectric: Photoelectric: PEChrisstanleyite = 179.59 barns/electron
U=PEChrisstanleyite x rElectron Density=1,275.56 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Chrisstanleyite is Not Radioactive
 

Chrisstanleyite Classification
Help on Dana Class: Dana Class: 02.16.10.02 (02)Sulfides - Including Selenides and Tellurides
  (02.16)with miscellaneous formulae
  (02.16.10)Chrisstanleyite Group
 
02.16.10.01 Sopcheite Ag4Pd3Te4 Unk Ortho
 
02.16.10.02 Chrisstanleyite! Ag2Pd3Se4 P 21/c 2/m
 
02.16.10.03 Jagueite! Cu2Pd3Se4 P 21/c 2/m
Help on Strunz Class: Strunz Class: 02.BC.15 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf
  02.B - Metal Sulfides, M:S > 1:1 (mainly 2:1)
  02.BC -With Rh, Pd, Pt, etc.
 
02.BC.15 Chrisstanleyite! Ag2Pd3Se4 P 21/c 2/m
 
02.BC.15 Jagueite! Cu2Pd3Se4 P 21/c 2/m
 

Other Chrisstanleyite Information
Help on References: References: NAME( MinRec) PHYS. PROP.(AmMin, v91, p1952) OPTIC PROP.(MinRec, v 30, p 157)
Help on See Also: See Also: Links to other databases for Chrisstanleyite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - Google Images
4 - Google Scholar
5 - Handbook of Mineralogy (MinSocAm)
6 - Handbook of Mineralogy (UofA)
7 - MinDAT
8 - MinMax(Deutsch)
9 - MinMax(English)
10 - Mineralienatlas (Deutsch)
11 - QUT Mineral Atlas
12 - Ruff.Info

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

Chrisstanleyite

Ag2Pd3Se4
Dana No: 02.16.10.02 Strunz No: 02.BC.15
Locality:

 

Notes: