Cupromakovickyite
A valid IMA mineral species
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Formula:
Cu4AgPb2Bi9S18
Also given as Cu8Ag2Pb4Bi18S36 (doubled formula).
Colour:
Gray
Lustre:
Metallic
Hardness:
4 - 4½
Specific Gravity:
6.78 (Calculated)
Crystal System:
Monoclinic
Member of:
Name:
For its chemical relation to makovickyite. The root name is for Emil Makovicky (18 August 1940, Bratislava, Slovakia – ), Slovak–Danish mineralogist, University of Copenhagen, Copenhagen, Denmark and sulphosalt specialist.
Unique Identifiers
Mindat ID:
26457
Long-form identifier:
mindat:1:1:26457:0
GUID
(UUID V4):
(UUID V4):
849e572d-c047-444c-9999-f5dde373a1c2
IMA Classification of Cupromakovickyite
Approved
Approval year:
2002
First published:
2008
Classification of Cupromakovickyite
2.JA.05d
2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
J : Sulfosalts of PbS archetype
A : Galena derivatives with little or no Pb
2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
J : Sulfosalts of PbS archetype
A : Galena derivatives with little or no Pb
Mineral Symbols
As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
Symbol | Source | Reference |
---|---|---|
Cmak | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Physical Properties of Cupromakovickyite
Metallic
Transparency:
Opaque
Colour:
Gray
Streak:
Gray
Hardness:
4 - 4½ on Mohs scale
Hardness:
VHN50=257 - 321 kg/mm2 - Vickers
Tenacity:
Brittle
Cleavage:
None Observed
Parting:
None
Fracture:
Irregular/Uneven
Density:
6.78 g/cm3 (Calculated)
Comment:
Could not be measured. Calculated is based on ideal formula.
Optical Data of Cupromakovickyite
Anisotropism:
Moderate in air, strong in oil. Dark bluish grey to yellowish brown.
Bireflectance:
Perceptible in air and moderate in oil
Reflectivity:
Wavelength | R1 | R2 |
---|---|---|
400nm | 42.37% | 48.05% |
440nm | 42.47% | 48.40% |
470nm | 42.15% | 48.45% |
500nm | 41.62% | 47.85% |
520nm | 41.35% | 47.50% |
546nm | 41.02% | 46.93% |
560nm | 40.60% | 46.49% |
589nm | 40.25% | 45.83% |
620nm | 39.93% | 45.42% |
650nm | 39.66% | 45.01% |
680nm | 39.46% | 44.52% |
700nm | 39.38% | 44.44% |
Graph shows reflectance levels at different wavelengths (in nm). Top of box is 100%. Peak reflectance is 48.45%.
R1 shown in black, R2 shown in red
Colour in reflected light:
Grayish white
Internal Reflections:
None
Pleochroism:
Not Visible
Chemistry of Cupromakovickyite
Mindat Formula:
Cu4AgPb2Bi9S18
Also given as Cu8Ag2Pb4Bi18S36 (doubled formula).
Also given as Cu8Ag2Pb4Bi18S36 (doubled formula).
Crystallography of Cupromakovickyite
Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
B2/m
Setting:
C2/m
Cell Parameters:
a = 13.405(8) Å, b = 4.016(3) Å, c = 29.949(19) Å
β = 99.989(16)°
β = 99.989(16)°
Ratio:
a:b:c = 3.338 : 1 : 7.457
Unit Cell V:
1587.8 ų
Z:
1
Crystal Structure
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Unit Cell | Unit Cell Packed
2x2x2 | 3x3x3 | 4x4x4
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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure
ID | Species | Reference | Link | Year | Locality | Pressure (GPa) | Temp (K) |
---|---|---|---|---|---|---|---|
0006187 | Cupromakovickyite | Topa D, Makovicky E, Balic-Zunic T (2008) What is the reason for the doubled unit-cell volumes of copper-lead-rich pavonite homologues? The crystal structures of cupromakovickyite and makovickyite The Canadian Mineralogist 46 515-523 | 2008 | Baita Bihor, Romania | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
Powder Diffraction Data:
d-spacing | Intensity |
---|---|
3.478 Å | (100) |
2.842 Å | (94) |
3.646 Å | (57) |
3.486 Å | (41) |
3.345 Å | (33) |
2.964 Å | (33) |
2.282 Å | (31) |
Geological Environment
Paragenetic Mode(s):
Paragenetic Mode | Earliest Age (Ga) |
---|---|
High-𝑇 alteration and/or metamorphism | |
33 : Minerals deposited by hydrothermal metal-rich fluids (see also [#12]) |
Type Occurrence of Cupromakovickyite
General Appearance of Type Material:
minute segregation lamellae in makovickyite
Place of Conservation of Type Material:
Reference collection (museum), Division of Mineralogy, University of Salzburg, Austria, No. 14943 and 14944 (two polished sections).
Geological Setting of Type Material:
sulphosalt bearing quartz veins, hosted by paleozoic amphibolites, hornblendites and granite gneisses
Associated Minerals at Type Locality:
Reference:
Topa, D., Paar, W.H. (2008) Cupromakovickyite, Cu8Pb4Ag2Bi18S36, a new mineral species of the pavonite homologous series. Canadian Mineralogist: 46: 503-514.
Synonyms of Cupromakovickyite
Other Language Names for Cupromakovickyite
German:Cupromakovickyit
Simplified Chinese:硫铋银铅铜矿
Relationship of Cupromakovickyite to other Species
Member of:
Other Members of this group:
Benjaminite | Ag3Bi7S12 | Mon. 2/m : B2/m |
Cupromakopavonite | Ag3Cu8Pb4Bi19S38 | Mon. 2/m : B2/m |
Cupropavonite | Cu0.9Ag0.5Pb0.6Bi2.5S5 | Mon. 2/m : B2/m |
Dantopaite | Ag5Bi13S22 | Mon. 2/m : B2/m |
Luboržákite | Mn2AsSbS5 | Mon. 2/m : B2/m |
Makovickyite | Cu1.12Ag0.81Pb0.27Bi5.35S9 | Mon. 2/m |
Mummeite | Cu0.58Ag3.11Pb1.10Bi6.65S13 | Mon. |
Pavonite | AgBi3S5 | Mon. 2/m : B2/m |
Related Minerals - Strunz-mindat Grouping
2.JA. | Ferdowsiite | Ag8(Sb5As3)S16 |
2.JA. | Sangenaroite | Ag8(Sb8-xAsx)SΣ16 |
2.JA. | Luboržákite | Mn2AsSbS5 |
2.JA.05e | Benjaminite | Ag3Bi7S12 |
2.JA.05g | Borodaevite | Ag5(Bi,Pb,Fe)8(Sb,Bi)2S17 |
2.JA.05a | Cupropavonite | Cu0.9Ag0.5Pb0.6Bi2.5S5 |
2.JA.05i | Livingstonite | HgSb4S6(S2) |
2.JA.05d | Makovickyite | Cu1.12Ag0.81Pb0.27Bi5.35S9 |
2.JA.05f | Mummeite | Cu0.58Ag3.11Pb1.10Bi6.65S13 |
2.JA.05a | Pavonite | AgBi3S5 |
2.JA.05b | Grumiplucite | HgBi2S4 |
2.JA.05h | Mozgovaite | PbBi4S7 |
2.JA.05c | Kudriavite | (Cd,Pb)Bi2S4 |
2.JA.05a | Cupromakopavonite | Ag3Cu8Pb4Bi19S38 |
2.JA.05 | Dantopaite | Ag5Bi13S22 |
2.JA.10a | Cuprobismutite | Cu8AgBi13S24 |
2.JA.10c | Hodrušite | Cu8Bi12S22 |
2.JA.10e | Padĕraite | Cu7[(Cu,Ag)0.33Pb1.33Bi11.33]S22 |
2.JA.10d | Pizgrischite | (Cu,Fe)Cu14PbBi17S35 |
2.JA.10b | Kupčíkite | Cu3.4Fe0.6Bi5S10 |
2.JA.15 | Schapbachite | Ag0.4Pb0.2Bi0.4S |
2.JA.15 | Cuboargyrite | AgSbS2 |
2.JA.20 | Bohdanowiczite | AgBiSe2 |
2.JA.20 | Matildite | AgBiS2 |
2.JA.20 | Volynskite | AgBiTe2 |
Other Information
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Internet Links for Cupromakovickyite
mindat.org URL:
https://www.mindat.org/min-26457.html
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Please feel free to link to this page.
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References for Cupromakovickyite
Reference List:
Topa, Dan, Makovicky, Emil, Paar, Werner H. (2002) Composition ranges and exsolution pairs for the members of the bismuthinite-aikinite series from Felbertal, Austria. The Canadian Mineralogist, 40 (3) 849-869 doi:10.2113/gscanmin.40.3.849
Topa, D., Makovicky, E., Balić-Žunić, T., Paar, W. H. (2003) Kupčíkite, Cu3.4Fe0.6Bi5S10, a new Cu–Bi sulfosalt from Felbertal, Austria, and its crystal structure. The Canadian Mineralogist, 41 (5) 1155-1166 doi:10.2113/gscanmin.41.5.1155
Localities for Cupromakovickyite
Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
ⓘ - Click for references and further information on this occurrence.
? - Indicates mineral may be doubtful at this locality.
- Good crystals or important locality for species.
- World class for species or very significant.
(TL) - Type Locality for a valid mineral species.
(FRL) - First Recorded Locality for everything else (eg varieties).
Struck out - Mineral was erroneously reported from this locality.
Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).
All localities listed without proper references should be considered as questionable.
All localities listed without proper references should be considered as questionable.
Austria (TL) | |
| |
Japan | |
| |
Romania | |
| |
Russia | |
| |
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