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Cupromakovickyite

A valid IMA mineral species
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05038360015411130222674.jpg
Emil Makovicky
Formula:
Cu4AgPb2Bi9S18
Also given as Cu8Ag2Pb4Bi18S36 (doubled formula).
Colour:
Gray
Lustre:
Metallic
Hardness:
4 - 4½
Specific Gravity:
6.78 (Calculated)
Crystal System:
Monoclinic
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.
Cu analogue of makovickyite.


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Unique IdentifiersHide

Mindat ID:
26457
Long-form identifier:
mindat:1:1:26457:0
GUID
(UUID V4):
849e572d-c047-444c-9999-f5dde373a1c2

IMA Classification of CupromakovickyiteHide

Classification of CupromakovickyiteHide

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

Mineral SymbolsHide

As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

SymbolSourceReference
CmakIMA–CNMNCWarr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Physical Properties of CupromakovickyiteHide

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 CupromakovickyiteHide

Anisotropism:
Moderate in air, strong in oil. Dark bluish grey to yellowish brown.
Bireflectance:
Perceptible in air and moderate in oil
Reflectivity:
WavelengthR1R2
400nm42.37%48.05%
440nm42.47%48.40%
470nm42.15%48.45%
500nm41.62%47.85%
520nm41.35%47.50%
546nm41.02%46.93%
560nm40.60%46.49%
589nm40.25%45.83%
620nm39.93%45.42%
650nm39.66%45.01%
680nm39.46%44.52%
700nm39.38%44.44%

Reflectance graph
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 CupromakovickyiteHide

Mindat Formula:
Cu4AgPb2Bi9S18

Also given as Cu8Ag2Pb4Bi18S36 (doubled formula).

Crystallography of CupromakovickyiteHide

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)°
Ratio:
a:b:c = 3.338 : 1 : 7.457
Unit Cell V:
1587.8 ų
Z:
1

Crystal StructureHide

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IDSpeciesReferenceLinkYearLocalityPressure (GPa)Temp (K)
0006187CupromakovickyiteTopa 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 46 515-5232008Baita Bihor, Romania0293
CIF Raw Data - click here to close

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
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 EnvironmentHide

Paragenetic Mode(s):
Paragenetic ModeEarliest Age (Ga)
High-𝑇 alteration and/or metamorphism
33 : Minerals deposited by hydrothermal metal-rich fluids (see also [#12])

Type Occurrence of CupromakovickyiteHide

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 CupromakovickyiteHide

Other Language Names for CupromakovickyiteHide

Simplified Chinese:硫铋银铅铜矿

Relationship of Cupromakovickyite to other SpeciesHide

Other Members of this group:
BenjaminiteAg3Bi7S12Mon. 2/m : B2/m
CupromakopavoniteAg3Cu8Pb4Bi19S38Mon. 2/m : B2/m
CupropavoniteCu0.9Ag0.5Pb0.6Bi2.5S5 Mon. 2/m : B2/m
DantopaiteAg5Bi13S22Mon. 2/m : B2/m
LuboržákiteMn2AsSbS5Mon. 2/m : B2/m
MakovickyiteCu1.12Ag0.81Pb0.27Bi5.35S9Mon. 2/m
MummeiteCu0.58Ag3.11Pb1.10Bi6.65S13Mon.
PavoniteAgBi3S5Mon. 2/m : B2/m

Related Minerals - Strunz-mindat GroupingHide

2.JA.FerdowsiiteAg8(Sb5As3)S16Mon. 2/m : P21/b
2.JA.SangenaroiteAg8(Sb8-xAsx)SΣ16 Mon. 2/m
2.JA.LuboržákiteMn2AsSbS5Mon. 2/m : B2/m
2.JA.05eBenjaminiteAg3Bi7S12Mon. 2/m : B2/m
2.JA.05gBorodaeviteAg5(Bi,Pb,Fe)8(Sb,Bi)2S17Mon.
2.JA.05aCupropavoniteCu0.9Ag0.5Pb0.6Bi2.5S5 Mon. 2/m : B2/m
2.JA.05iLivingstoniteHgSb4S6(S2)Mon. 2/m : B2/b
2.JA.05dMakovickyiteCu1.12Ag0.81Pb0.27Bi5.35S9Mon. 2/m
2.JA.05fMummeiteCu0.58Ag3.11Pb1.10Bi6.65S13Mon.
2.JA.05aPavoniteAgBi3S5Mon. 2/m : B2/m
2.JA.05bGrumipluciteHgBi2S4Mon. 2/m : B2/m
2.JA.05hMozgovaitePbBi4S7Orth. mmm (2/m 2/m 2/m)
2.JA.05cKudriavite(Cd,Pb)Bi2S4Mon. 2/m : B2/m
2.JA.05aCupromakopavoniteAg3Cu8Pb4Bi19S38Mon. 2/m : B2/m
2.JA.05DantopaiteAg5Bi13S22Mon. 2/m : B2/m
2.JA.10aCuprobismutiteCu8AgBi13S24Mon. 2/m : B2/m
2.JA.10cHodrušiteCu8Bi12S22Mon. 2/m
2.JA.10ePadĕraiteCu7[(Cu,Ag)0.33Pb1.33Bi11.33]S22Mon. 2/m : P21/m
2.JA.10dPizgrischite(Cu,Fe)Cu14PbBi17S35Mon. 2/m : B2/m
2.JA.10bKupčíkiteCu3.4Fe0.6Bi5S10Mon. 2/m : B2/m
2.JA.15SchapbachiteAg0.4Pb0.2Bi0.4SIso. m3m (4/m 3 2/m) : Fm3m
2.JA.15CuboargyriteAgSbS2Iso. m3m (4/m 3 2/m)
2.JA.20BohdanowicziteAgBiSe2Trig. 3m (3 2/m) : P3m1
2.JA.20MatilditeAgBiS2Trig. 3 2 : P31 2 1
2.JA.20VolynskiteAgBiTe2Trig. 3m (3 2/m) : P3m1

Other InformationHide

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 CupromakovickyiteHide

References for CupromakovickyiteHide

Localities for CupromakovickyiteHide

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.

Locality ListHide

- 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.
Austria (TL)
 
  • Salzburg
    • Zell am See District
      • Mittersill
        • Mittersill Scheelite deposit
Japan
 
  • Yamagata Prefecture
Romania
 
  • Bihor County
    • Nucet
Russia
 
  • Chelyabinsk Oblast
    • Kaslinsky District
 
and/or  
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