Cupromakovickyite Mineral Data (original) (raw)
General Cupromakovickyite Information
Chemical Formula:
Cu4AgPb2Bi9S18
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 %
Empirical Formula:
Cu7.79Ag2.4Pb2.95Bi18.55S35.37Se0.25Te0.39
Environment:
Related to makovickyite; structure determined
IMA Status:
Approved IMA 2002 (Dana # Added)
Locality:
Scheelite deposit, Felben valley, Hohe Tauern Mts, Salzburg, Austria and Baita Bihor, Romania. Link to MinDat.org Location Data.
Name Origin:
Named as the Cu-dominant analogue of makovickyite.
Synonym:
IMA2002-058
Cupromakovickyite Image
Images:
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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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Images:
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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 |
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Cupromakovickyite Crystallography
Axial Ratios:
a:b:c =3.3378:1:7.4574
Cell Dimensions:
a = 13.405, b = 4.016, c = 29.949, Z = 1; beta = 99.989° V = 1,587.85 Den(Calc)= 6.74
Crystal System:
Monoclinic - PrismaticH-M Symbol (2/m) Space Group: C 2/m
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),
Crystal Structure:
Mouse
drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
Keyboard
S - Stereo Pair on/off
H - Help Screen
I - Data Info
A - Atoms On/Off
P - Polyhedra On/Off
B - Bonds On/Off
Help on Above
| | Topa D , Makovicky E , Balic-Zunic T , The Canadian Mineralogist , 46 (2008) p.515-523, What is the reason for the doubled unit-cell volumes of, copper-lead-rich pavonite homologues? The crystal structures of, cupromakovickyite and makovickyite, Locality: Baita Bihor, Romania | | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
Physical Properties of Cupromakovickyite
Color:
Gray.
Diaphaneity:
Opaque
Luster:
Metallic
Optical Properties of Cupromakovickyite
RL Anisotrophism:
Strong in oil and moderate in air.
RL Bireflectance:
Moderate bireflectance in oil.
RL Color:
Grayish white with no internal reflections.
RL Pleochroism:
None.
Reflectivity
Standardized Intensity (100%) Reflection Spectra of Cupromakovickyite in Air
| λ | R1 | R 2 |  |
∑ R1(λ) | ∑ R2(λ) |
|---|---|---|---|---|---|
| 400 nm | 42.37 | 48.05 |  |
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| 420 nm | 42.42 | 48.19 |  |
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| 440 nm | 42.47 | 48.40 |  |
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| 460 nm | 42.26 | 48.51 |  |
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| 470 nm | 42.15 | 48.45 |  |
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| 480 nm | 41.95 | 48.29 |  |
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| 500 nm | 41.62 | 47.85 |  |
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| 520 nm | 41.35 | 47.50 |  |
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| 540 nm | 41.15 | 47.10 |  |
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| 546 nm | 41.02 | 46.93 |  |
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| 560 nm | 40.60 | 46.49 |  |
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| 580 nm | 40.36 | 46.02 |  |
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| 589 nm | 40.25 | 45.83 |  |
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| 600 nm | 40.13 | 45.74 |  |
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| 620 nm | 39.93 | 45.42 |  |
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| 640 nm | 39.82 | 45.23 |  |
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| 650 nm | 39.66 | 45.01 |  |
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| 660 nm | 39.53 | 44.80 |  |
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| 680 nm | 39.46 | 44.52 |  |
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| 700 nm | 39.38 | 44.44 |  |
Calculated Relative Intensity Colors of Cupromakovickyite in Air
| RelativeIntensity | 0% | 30% | 60% | 90% | 100% | 120% | 150% | 180% | 210% | 220% |
|---|---|---|---|---|---|---|---|---|---|---|
| R1 | ||||||||||
| R2 |
Calculated Properties of Cupromakovickyite
Electron Density:
Bulk Density (Electron Density)=5.68 gm/cc
note: Specific Gravity of Cupromakovickyite =6.74 gm/cc.
Fermion Index:
Fermion Index = 0.02
Boson Index = 0.98
Photoelectric:
PECupromakovickyite =1,340.58 barns/electron
U=PECupromakovickyite x rElectron Density=7,611.92 barns/cc.
Radioactivity:
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Cupromakovickyite is Not Radioactive
Cupromakovickyite Classification
Dana Class:
03.08.10.07 (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)
03.08.10.01 Pavonite (Ag,Cu)(Bi,Pb)3S5 C 2/c 2/m
03.08.10.02 Makovickyite Ag1.5Bi5.5S9 C 2/c 2/m
03.08.10.03 Benjaminite (Ag,Cu)3(Bi,Pb)7S12 C 2/c 2/m
03.08.10.04 Mummeite Cu0.58Ag3.11Pb1.10Bi6.65S13 C 2/c 2/m
03.08.10.05 Borodaevite Ag5(Bi,Sb)9S16 C 2/c 2/m
03.08.10.06 Cupropavonite AgPbCu2Bi5S10 C 2/c 2/m
03.08.10.07 Cupromakovickyite! Cu4AgPb2Bi9S18 C 2/m 2/m
03.08.10.08 Kudriavite! (Cd,Pb)Bi2S4 C 2/m 2/m
03.08.10.09 IMA2008-058! Ag5Bi13S22 C 2/m 2/m
03.08.10.10 IMA2005-036! Cu8Pb4Ag3Bi19S38 C 2/m 2/m
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
References:
NAME( AmMin, v93:1942) PHYS. PROP.(AmMin, v93:1942) OPTIC PROP.(AmMin, v93:1942)
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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Print or Cut-and-Paste your Cupromakovickyite Specimen Label here :
Cupromakovickyite
Cu4AgPb2Bi9S18
Dana No: 03.08.10.07 Strunz No: 02.JA.05d
Locality:
Notes: