Mineralogy Database

Cupromakovickyite Mineral Data

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General Cupromakovickyite Information

Help on Chemical  Formula: Chemical Formula: Cu4AgPb2Bi9S18
Help on Composition: Composition: Molecular Weight = 6,445.41 gm
   Copper      7.68 %  Cu
   Silver      4.02 %  Ag
   Bismuth    60.14 %  Bi
   Tellurium   0.77 %  Te
   Lead        9.48 %  Pb
   Selenium    0.31 %  Se
   Sulfur     17.60 %  S
             100.00 % 
Help on Empirical Formula: Empirical Formula: Cu7.79Ag2.4Pb2.95Bi18.55S35.37Se0.25Te0.39
Help on Environment: Environment: Related to makovickyite; structure determined
Help on IMA Status: IMA Status: Approved IMA 2002 (Dana # Added)
Help on Locality: Locality: Scheelite deposit, Felben valley, Hohe Tauern Mts, Salzburg, Austria and Baita Bihor, Romania. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named as the Cu-dominant analogue of makovickyite.
Help on Synonym: Synonym: IMA2002-058

Cupromakovickyite Image

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  Cupromakovickyite   Hodrushite

Comments: Kup?cíkite (ku) and hodrushite (ho) partly replaced by bismuthinite derivative (bd56) with relict lamellae of low-Cu (4P) and cupromakovickyite [4P(Cu,Pb)]. (CanMin, 41:1165).
Location: Scheelite deposit of Felbertal, Austria. Scale: Scale Bar 100 µm.
© Canadian Mineralogist

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  Cupromakovickyite   Makovickyite

Comments: SEM polished section detail of a grain of cupromakovickyite (dark gray) with locally exsolved lamellae (bright gray) of makovickyite. (CanMin, 46:503).
Location: Baita Bihor, Romania.. Scale: See Image.
© Canadian Mineralogist

Cupromakovickyite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =3.3378:1:7.4574
Help on Cell Dimensions: Cell Dimensions: a = 13.405, b = 4.016, c = 29.949, Z = 1; beta = 99.989° V = 1,587.85 Den(Calc)= 6.74
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): 3.478(1), 2.842(0.94), 3.646(0.57),3.486(0.41), 2.964(0.33), 3.345(0.33), 2.282(0.31),

Physical Properties of Cupromakovickyite

Help on Color: Color: Gray.
Help on Diaphaneity: Diaphaneity: Opaque
Help on Luster: Luster: Metallic

Optical Properties of Cupromakovickyite

Help on RL Anisotrophism: RL Anisotrophism: Strong in oil and moderate in air.
Help on RL Bireflectance: RL Bireflectance: Moderate bireflectance in oil.
Help on RL Color: RL Color: Grayish white with no internal reflections.
Help on RL Pleochroism: RL Pleochroism: None.
Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Cupromakovickyite in Air
λ R1 R2  ∑ R1(λ)   ∑ R2(λ) 
 400 nm   42.37   48.05 
 420 nm   42.42   48.19 
 440 nm   42.47   48.40 
 460 nm   42.26   48.51 
 470 nm   42.15   48.45 
 480 nm   41.95   48.29 
 500 nm   41.62   47.85 
 520 nm   41.35   47.50 
 540 nm   41.15   47.10 
 546 nm   41.02   46.93 
 560 nm   40.60   46.49 
 580 nm   40.36   46.02 
 589 nm   40.25   45.83 
 600 nm   40.13   45.74 
 620 nm   39.93   45.42 
 640 nm   39.82   45.23 
 650 nm   39.66   45.01 
 660 nm   39.53   44.80 
 680 nm   39.46   44.52 
 700 nm   39.38   44.44 
Calculated Relative Intensity Colors of Cupromakovickyite in Air
   0%   30%   60%   90% 100% 120% 150% 180% 210% 220%

Calculated Properties of Cupromakovickyite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=5.68 gm/cc
note: Specific Gravity of Cupromakovickyite =6.74 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.02
Boson Index = 0.98
Help on Photoelectric: Photoelectric: PECupromakovickyite =1,340.58 barns/electron
U=PECupromakovickyite x rElectron Density=7,611.92 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Cupromakovickyite is Not Radioactive

Cupromakovickyite Classification

Help on  Dana Class: Dana Class: (03)Sulfides - Sulfosalts
  (03.08)where 1 < z/y <2 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals
  (03.08.10)Pavonite Group (Monoclinic: C/2c bismuth sulfosalts) Pavonite (Ag,Cu)(Bi,Pb)3S5 C 2/c 2/m Makovickyite Ag1.5Bi5.5S9 C 2/c 2/m Benjaminite (Ag,Cu)3(Bi,Pb)7S12 C 2/c 2/m Mummeite Cu0.58Ag3.11Pb1.10Bi6.65S13 C 2/c 2/m Borodaevite Ag5(Bi,Sb)9S16 C 2/c 2/m Cupropavonite AgPbCu2Bi5S10 C 2/c 2/m Cupromakovickyite! Cu4AgPb2Bi9S18 C 2/m 2/m Kudriavite! (Cd,Pb)Bi2S4 C 2/m 2/m IMA2008-058! Ag5Bi13S22 C 2/m 2/m IMA2005-036! Cu8Pb4Ag3Bi19S38 C 2/m 2/m
Help on  Strunz Class: Strunz Class: 02.JA.05d 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf
  02.J - Sulfosalts of PbS Archetype
  02.JA -Galena derivatives with little or no Pb
02.JA.05d Makovickyite Ag1.5Bi5.5S9 C 2/c 2/m
02.JA.05d Cupromakovickyite! Cu4AgPb2Bi9S18 C 2/m 2/m

Other Cupromakovickyite Information

Help on References: References: NAME( AmMin, v93:1942) PHYS. PROP.(AmMin, v93:1942) OPTIC PROP.(AmMin, v93:1942)
Help on See Also: See Also: Links to other databases for Cupromakovickyite :
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.JA.05d





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