Krupkaite
A valid IMA mineral species
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About Krupkaite
Formula:
PbCuBi3S6
Colour:
steel-grey
Lustre:
Metallic
Hardness:
3½ - 4
Specific Gravity:
6.98 (Calculated)
Crystal System:
Orthorhombic
Name:
Named for the town of Krupka, Czech Republic, near the type locality.
Unique Identifiers
Mindat ID:
2278
Long-form identifier:
mindat:1:1:2278:7
GUID
(UUID V4):
(UUID V4):
a5d3b606-f9e7-4c7c-ab8c-9f20d0aae152
IMA Classification of Krupkaite
Approved
Approval year:
1974
First published:
1974
Classification of Krupkaite
2.HB.05a
2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
H : Sulfosalts of SnS archetype
B : With Cu, Ag, Fe, Sn and Pb
2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
H : Sulfosalts of SnS archetype
B : With Cu, Ag, Fe, Sn and Pb
3.4.5.2
3 : SULFOSALTS
4 : Ăž = 3
3 : SULFOSALTS
4 : Ăž = 3
5.7.6
5 : Sulphosalts - Sulpharsenites and Sulphobismuthites (those containing Sn, Ge,or V are in Section 6)
7 : Sulpharsenites etc. of Pb and other metals
5 : Sulphosalts - Sulpharsenites and Sulphobismuthites (those containing Sn, Ge,or V are in Section 6)
7 : Sulpharsenites etc. of Pb and other metals
Mineral Symbols
As of 2021 there are now IMAâCNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
Please only use the official IMAâCNMNC symbol. Older variants are listed for historical use only.
Please only use the official IMAâCNMNC symbol. Older variants are listed for historical use only.
Symbol | Source | Reference |
---|---|---|
Krp | IMAâCNMNC | Warr, L.N. (2021). IMAâCNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Krp | The Canadian Mineralogist (2019) | The Canadian Mineralogist (2019) The Canadian Mineralogist list of symbols for rock- and ore-forming minerals (December 30, 2019). download |
Physical Properties of Krupkaite
Metallic
Transparency:
Opaque
Colour:
steel-grey
Streak:
black
Hardness:
3½ - 4 on Mohs scale
Hardness:
VHN100=148 - 188 kg/mm2 - Vickers
Density:
6.98 g/cm3 (Calculated)
Optical Data of Krupkaite
Reflectivity:
Wavelength | R1 | R2 |
---|---|---|
400nm | 39.8% | 46.9% |
420nm | 40.0% | 46.7% |
440nm | 40.1% | 46.3% |
460nm | 40.2% | 46.2% |
480nm | 40.1% | 46.3% |
500nm | 39.9% | 46.5% |
520nm | 39.7% | 46.7% |
540nm | 39.4% | 46.9% |
560nm | 39.1% | 47.0% |
580nm | 38.9% | 46.9% |
600nm | 38.8% | 46.8% |
620nm | 38.6% | 46.5% |
640nm | 38.3% | 46.2% |
660nm | 38.0% | 45.8% |
680nm | 37.8% | 45.4% |
700nm | 37.5% | 44.8% |
Graph shows reflectance levels at different wavelengths (in nm). Top of box is 100%. Peak reflectance is 47.0%.
R1 shown in black, R2 shown in red
Colour in reflected light:
Grayish-white
Chemistry of Krupkaite
Mindat Formula:
PbCuBi3S6
Elements listed:
Common Impurities:
Se
Crystallography of Krupkaite
Crystal System:
Orthorhombic
Class (H-M):
mm2 - Pyramidal
Cell Parameters:
a = 11.200(9) Å, b = 11.560(9) Å, c = 4.0003(3) Å
Ratio:
a:b:c = 0.969 : 1 : 0.346
Unit Cell V:
517.93 Ă
Âł (Calculated from Unit Cell)
Z:
2
Comment:
Space Group: P b21m
Crystal Structure
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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) |
---|---|---|---|---|---|---|---|
0000456 | Krupkaite | Mumme W G (1975) The crystal structure of krupkaite, CuPbBi3S6, from the Juno Mine at Tennant Creek, Northern Territory, Australia American Mineralogist 60 300-308 | 1975 | 0 | 293 | ||
0005782 | Krupkaite | Topa D, Makovicky E, Balic-Zunic T (2002) The structural role of excess Cu and Pb in gladite and krupkaite based on new refinements of their structure The Canadian Mineralogist 40 1147-1159 | 2002 | 0 | 293 | ||
0005783 | Krupkaite | Topa D, Makovicky E, Balic-Zunic T (2002) The structural role of excess Cu and Pb in gladite and krupkaite based on new refinements of their structure The Canadian Mineralogist 40 1147-1159 | 2002 | 0 | 293 | ||
0005784 | Krupkaite | Topa D, Makovicky E, Balic-Zunic T (2002) The structural role of excess Cu and Pb in gladite and krupkaite based on new refinements of their structure The Canadian Mineralogist 40 1147-1159 | 2002 | 0 | 293 | ||
0005785 | Krupkaite | Topa D, Makovicky E, Balic-Zunic T (2002) The structural role of excess Cu and Pb in gladite and krupkaite based on new refinements of their structure The Canadian Mineralogist 40 1147-1159 | 2002 | 0 | 293 | ||
0006081 | Krupkaite | Petricek V, Makovicky E (2006) Interpretation of selected structures of the bismuthinite - aikinite series as commensurately modulated structures The Canadian Mineralogist 44 189-206 | 2006 | synthetic | 0 | 293 | |
0014750 | Krupkaite | Synecek V, Hybler J (1974) The crystal structures of krupkaite, CuPbBi3S6, and of gladite, CuPbBi5S9, and the classification of superstructures in the bismuthinite-aikinite group, Neues Jahrbuch fur Mineralogie, Monatshefte 1974 541-560 | 1974 | Krupka, Ore Mountains, NW-Bohemia | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
Powder Diffraction Data:
d-spacing | Intensity |
---|---|
3.137 Ă | (100) |
2.841 Ă | (37) |
3.645 Ă | (30) |
3.160 Ă | (27) |
2.660 Ă | (26) |
1.970 Ă | (26) |
3.552 Ă | (24) |
Geological Environment
Paragenetic Mode(s):
Paragenetic Mode | Earliest Age (Ga) |
---|---|
High-đ alteration and/or metamorphism | |
33 : Minerals deposited by hydrothermal metal-rich fluids (see also [#12]) |
Type Occurrence of Krupkaite
General Appearance of Type Material:
fibrous aggregates of parallel intergrowths
Place of Conservation of Type Material:
Charles University, Prague, Czech Republic, 14522.
Associated Minerals at Type Locality:
Reference:
Zak, L., Synecek, V., Hybler, J. (1974) Krupkaite, CuPbBi3S6, a new mineral of the bismuthinite-aikinite group. Neues Jahrbuch fĂŒr Mineralogie, Monatshefte: 1974: 533-541.
Synonyms of Krupkaite
Other Language Names for Krupkaite
German:Krupkait
Russian:ĐŃŃĐżĐșĐ°ĐžŃ
Simplified Chinese:ćșèŸééé
çż
Spanish:Krupkaita
Traditional Chinese:ćș«èŒéé
é瀊
Common Associates
Associated Minerals Based on Photo Data:
7 photos of Krupkaite associated with Quartz | SiO2 |
5 photos of Krupkaite associated with Fluorite | CaF2 |
4 photos of Krupkaite associated with Gladite | PbCuBi5S9 |
4 photos of Krupkaite associated with Pekoite | PbCuBi11S18 |
4 photos of Krupkaite associated with Friedrichite | Pb5Cu5Bi7S18 |
4 photos of Krupkaite associated with Bismuth | Bi |
4 photos of Krupkaite associated with Bismuthinite | Bi2S3 |
3 photos of Krupkaite associated with Lindströmite | Pb3Cu3Bi7S15 |
3 photos of Krupkaite associated with Hammarite | Pb2Cu2Bi4S9 |
2 photos of Krupkaite associated with Junoite | Cu2Pb3Bi8(S,Se)16 |
Related Minerals - Strunz-mindat Grouping
2.HB. | Barikaite | Ag3Pb10(Sb8As11)S40 |
2.HB. | Carducciite | (Ag2Sb2)Pb12(As,Sb)16S40 |
2.HB. | Sardashtite | Ag9Cu2.5Pb41Sb36.5As7S112 |
2.HB. | Interliveingite | AgPb18As25S56 |
2.HB. | Reckibachite | Ag2Pb12As14Sb4S40 |
2.HB.05a | Aikinite | PbCuBiS3 |
2.HB.05a | Friedrichite | Pb5Cu5Bi7S18 |
2.HB.05a | Gladite | PbCuBi5S9 |
2.HB.05a | Hammarite | Pb2Cu2Bi4S9 |
2.HB.05c | JaskĂłlskiite | CuxPb2+x(Sb,Bi)2-xS5 (x ~ 0.15) |
2.HB.05a | Lindströmite | Pb3Cu3Bi7S15 |
2.HB.05b | Meneghinite | Pb13CuSb7S24 |
2.HB.05a | Pekoite | PbCuBi11S18 |
2.HB.05a | Emilite | Pb2.7Cu2.7Bi5.3S12 |
2.HB.05 | UM2000-46-S:BiCuPb | Cu0.33Pb0.33Bi7.67S12 |
2.HB.05a | Salzburgite | Pb1.6Cu1.6Bi6.4S12 |
2.HB.05 | UM1990-54-Se:BiCuPb | CuPb(Ni,Co)0.3Bi3Se6 |
2.HB.05a | Paarite | Pb1.7Cu1.7Bi6.3S12 |
2.HB.10c | Eclarite | (Cu,Fe)Pb9Bi12S28 |
2.HB.10b | Giessenite | Pb27Cu2(Bi,Sb)19S57 |
2.HB.10b | Izoklakeite | Pb27(Cu,Fe,Ag)2(Sb,Bi)19S57 |
2.HB.10a | Kobellite | Pb22Cu4(Bi,Sb)30S69 |
2.HB.10a | Tintinaite | Pb22Cu4(Sb,Bi)30S69 |
2.HB.15 | Benavidesite | Pb4MnSb6S14 |
2.HB.15 | Jamesonite | Pb4FeSb6S14 |
2.HB.20d | Berryite | Cu3Ag2Pb3Bi7S16 |
2.HB.20b | Buckhornite | AuPb2BiTe2S3 |
2.HB.20a | NagyĂĄgite | [Pb3(Pb,Sb)3S6](Au,Te)3 |
2.HB.20e | Watkinsonite | Cu2PbBi4(Se,S,Te)8 |
2.HB.20c | Museumite | [Pb2(Pb,Sb)2S8][(Te,Au)2] |
2.HB.20e | Litochlebite | Ag2PbBi4Se8 |
2.HB.20b | Jaszczakite | [Bi3S3][AuS2] |
2.HB.20e | Luxembourgite | AgCuPbBi4Se8 |
2.HB.25 | Meerschautite | (Ag,Cu)6Pb43-2xSb44+2xS112Ox (x ~0.5) |
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 Krupkaite
mindat.org URL:
https://www.mindat.org/min-2278.html
Please feel free to link to this page.
Please feel free to link to this page.
Search Engines:
External Links:
References for Krupkaite
Reference List:
Fleischer, Michael, Chao, G. Y., Cabri, L. J. (1975) New mineral names. American Mineralogist, 60 (7-8) 736-739
Localities for Krupkaite
Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
â - 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.
Argentina | |
| Brodtkorb (2002) |
| DE BRODTKORB +1 other reference |
| Testa et al. (2018) |
Australia | |
| Mumme (1975) |
| Mueller +3 other references |
Austria | |
| Niedermayr et al. (1995) |
Paar et al. (1998) | |
Pichler (2009) | |
| Niedermayr et al. (1995) |
| Paar et al. (1982) +1 other reference |
| KOLITSCH (2008) +1 other reference |
| Makovicky et al. (2010) |
| Putz (2011) |
| Bayerl (2004) |
| Mandarino (2002) +1 other reference |
| Schachinger et al. (2017) |
Bolivia | |
| Karup-MĂžller (1977) |
Bulgaria | |
| Cook et al. (2002) +1 other reference |
| Cook et al. (2002) |
| Cook et al. (2002) |
| Bogdanov et al. (2004) |
| Cook et al. (2002) |
| Cook et al. (2002) |
Canada | |
| Sabina (2015) +1 other reference |
| Jambor (1982) |
| Karup-MĂžller (1977) |
China | |
| Zhenkuan Luo et al. (1992) |
| Liu et al. (2019) |
| Yingchen Ren (1999) |
| ćŒ äžäż et al. (2017) |
| Xiangping et al. (2001) |
| Zhou et al. (2018) |
Czech Republic (TL) | |
| Zak et al. (1974) +1 other reference |
Germany | |
| Schwarzmeier (2015) +2 other references |
| In the collection of Brent Thorne. ... |
| Wittern (2001) |
| Wittern (2001) |
Greece | |
| |
| Voudouris et al. (2010, April) +1 other reference |
Hungary | |
| collector: LĂĄszlĂł TĂłth +1 other reference |
Iran | |
| Nezafatis (2006) |
Ireland | |
| Ixer et al. (1990) |
Japan | |
| Matsubara et al. (2006) |
| Yokoro et al. (2010) |
Yuya Izumino et al. (2013) +1 other reference | |
| Nakajima et al (1981) |
Kazakhstan | |
| Spiridonov (1982) |
| Efimov A.V. Bismuthian mineralisation ... |
Kosovo | |
| Mederski et al. (2021) |
Mederski et al. (2021) | |
Morocco | |
| Ilmen et al. (2024) +1 other reference |
North Macedonia | |
| Serafimovski et al. (2013) +1 other reference |
Norway | |
| Husdal et al. (2020) |
| Rune S. Selbekk (2010) |
| Larsen et al. (2018) |
Larsen et al. (2018) | |
Peru | |
| Crowley et al. (1997) |
Hyrsl et al. (2003) +1 other reference | |
Poland | |
| GoĆÄbiowska B. et al. (Ag) |
| Pieczka et al. (2012) +3 other references |
Romania | |
| Cook et al. (2002) |
Zajzon et al. (2012) +1 other reference | |
Cook et al. (2002) | |
| Cook et al. (2002) |
Ilinca (2006) | |
Ciobanu et al. (2000) | |
Cook et al. (2002) | |
Cook et al. (2002) | |
Cook et al. (2002) | |
| Cook et al. (2004) |
| Buzatu et al. (2015) |
| Nigel G. Cook : "Bismuth Sulphosalts ... |
| Plotinskaya et al. (2009) |
Russia | |
| Rogov et al. (2023) |
Rogov et al. (2023) | |
| Kovalev et al. (2019) |
Slovakia | |
| ÄuÄa R. et al. (Schemnitz) |
| PrĆĄek (2004) +1 other reference |
| JeleĆ et al. (2012) |
| Macinsky et al. (1994) |
| Martin Ć tevko-unpublished |
| KodÄra (1986) |
ĆœĂĄk et al. (1981) | |
| PrĆĄek J. (Kandid. dizert. prĂĄca) |
| Chovan M. |
Ozdin D. | |
OzdĂn D. (2003) | |
Sweden | |
| Canadian Mineralogist 25 |
Switzerland | |
| Schweizer Strahler |
| Stalder et al. (1998) |
| Cuchet et al. (2016) |
| Cuchet et al. (2016) |
Cuchet et al. (2016) | |
| Ansermet (2012) |
Ansermet (2012) | |
UK | |
| Stanley et al. (1991) |
| Cooper et al. (1990) +1 other reference |
| Lowry et al. (1994) |
Ukraine | |
| |
USA | |
| Schumer (2017) |
| Mineral News: 16 (9) +1 other reference |
| Eckel et al. (1997) |
| Economic Geology (1996) +1 other reference |
| Alan Pring (1989) +1 other reference |
| Alan Pring (1989) |
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