Krupkaite (original) (raw)
A valid IMA mineral species
About KrupkaiteHide
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Specific Gravity:
6.98 (Calculated)
Crystal System:
Orthorhombic
Name:
Named for the town of Krupka, Czech Republic, near the type locality.
Unique IdentifiersHide
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Long-form identifier:
mindat:1:1:2278:7
a5d3b606-f9e7-4c7c-ab8c-9f20d0aae152
IMA Classification of KrupkaiteHide
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Type description reference:
Classification of KrupkaiteHide
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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
3.4.5.2
3 : SULFOSALTS
4 : ø = 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
Mineral SymbolsHide
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As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
Please only use the official IMA–CNMNC symbol. Older variants are listed for historical use only.
Symbol | Source | Reference |
---|---|---|
Krp | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC 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 KrupkaiteHide
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Hardness:
VHN100=148 - 188 kg/mm2 - Vickers
Density:
6.98 g/cm3 (Calculated)
Optical Data of KrupkaiteHide
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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 KrupkaiteHide
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Crystallography of KrupkaiteHide
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Crystal System:
Orthorhombic
Class (H-M):
m _m_2 - 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 ų (Calculated from Unit Cell)
Comment:
Space Group: P b21m
Crystal StructureHide
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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 DiffractionHide
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Powder Diffraction Data:
d-spacing | Intensity |
---|---|
3.137 Å | (100) |
2.841 Å | (37) |
3.645 Å | (30) |
3.160 Å | (27) |
2.660 Å | (26) |
1.970 Å | (26) |
3.552 Å | (24) |
Geological EnvironmentHide
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Type Occurrence of KrupkaiteHide
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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 für Mineralogie, Monatshefte: 1974: 533-541.
Synonyms of KrupkaiteHide
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Other Language Names for KrupkaiteHide
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Common AssociatesHide
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Associated Minerals Based on Photo Data:
Related Minerals - Strunz-mindat GroupingHide
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2.HB. | Barikaite | Ag3Pb10(Sb8As11)S40 | Mon. 2/m : _P_21/b |
---|---|---|---|
2.HB. | Carducciite | (Ag2Sb2)Pb12(As,Sb)16S40 | Mon. 2/m : _P_21/b |
2.HB. | Sardashtite | Ag9Cu2.5Pb41Sb36.5As7S112 | Mon. 2/m |
2.HB. | Interliveingite | AgPb18As25S56 | Mon. 2 : _P_21 |
2.HB. | Reckibachite | Ag2Pb12As14Sb4S40 | Mon. 2/m : _P_21/b |
2.HB.05a | Aikinite | PbCuBiS3 | Orth. m m m _(_2/_m_2/_m_2/m ) : P n m a |
2.HB.05a | Friedrichite | Pb5Cu5Bi7S18 | Orth. m _m_2 |
2.HB.05a | Gladite | PbCuBi5S9 | Orth. m m m _(_2/_m_2/_m_2/m ) |
2.HB.05a | Hammarite | Pb2Cu2Bi4S9 | Orth. |
2.HB.05c | Jaskólskiite | CuxPb2+x(Sb,Bi)2-xS5 (x ~ 0.15) | Orth. m m m _(_2/_m_2/_m_2/m ) |
2.HB.05a | Lindströmite | Pb3Cu3Bi7S15 | Orth. m m m _(_2/_m_2/_m_2/m ) |
2.HB.05b | Meneghinite | Pb13CuSb7S24 | Orth. m m m _(_2/_m_2/_m_2/m ) |
2.HB.05a | Pekoite | PbCuBi11S18 | Orth. m _m_2 |
2.HB.05a | Emilite | Pb2.7Cu2.7Bi5.3S12 | Orth. m _m_2 : P m _c_21 |
2.HB.05 | UM2000-46-S:BiCuPb | Cu0.33Pb0.33Bi7.67S12 | |
2.HB.05a | Salzburgite | Pb1.6Cu1.6Bi6.4S12 | Orth. m _m_2 : P m _c_21 |
2.HB.05 | UM1990-54-Se:BiCuPb | CuPb(Ni,Co)0.3Bi3Se6 | |
2.HB.05a | Paarite | Pb1.7Cu1.7Bi6.3S12 | Orth. m m m _(_2/_m_2/_m_2/m ) : P b c n |
2.HB.10c | Eclarite | (Cu,Fe)Pb9Bi12S28 | Orth. m m m _(_2/_m_2/_m_2/m ) : P n m a |
2.HB.10b | Giessenite | Pb27Cu2(Bi,Sb)19S57 | Mon. 2/m |
2.HB.10b | Izoklakeite | Pb27(Cu,Fe,Ag)2(Sb,Bi)19S57 | Orth. m m m _(_2/_m_2/_m_2/m ) : P n n m |
2.HB.10a | Kobellite | Pb22Cu4(Bi,Sb)30S69 | Orth. m m m _(_2/_m_2/_m_2/m ) : P n n m |
2.HB.10a | Tintinaite | Pb22Cu4(Sb,Bi)30S69 | Orth. m m m _(_2/_m_2/_m_2/m ) : P n n m |
2.HB.15 | Benavidesite | Pb4MnSb6S14 | Mon. 2/m : _P_21/b |
2.HB.15 | Jamesonite | Pb4FeSb6S14 | Mon. 2/m : _P_21/b |
2.HB.20d | Berryite | Cu3Ag2Pb3Bi7S16 | Mon. 2/m : _P_21/m |
2.HB.20b | Buckhornite | AuPb2BiTe2S3 | Orth. m m m _(_2/_m_2/_m_2/m ) : P m m m |
2.HB.20a | Nagyágite | [Pb3(Pb,Sb)3S6](Au,Te)3 | Mon. 2/m : _P_21/m |
2.HB.20e | Watkinsonite | Cu2PbBi4(Se,S,Te)8 | Mon. 2/m : _P_21/m |
2.HB.20c | Museumite | [Pb2(Pb,Sb)2S8][(Te,Au)2] | Mon. 2 |
2.HB.20e | Litochlebite | Ag2PbBi4Se8 | Mon. 2/m : _P_21/m |
2.HB.20b | Jaszczakite | [Bi3S3][AuS2] | Orth. m m m _(_2/_m_2/_m_2/m ) : P m m n |
2.HB.20e | Luxembourgite | AgCuPbBi4Se8 | Mon. 2/m : _P_21/m |
2.HB.25 | Meerschautite | (Ag,Cu)6Pb43-2xSb44+2xS112Ox (x ~0.5) | Mon. 2 : _P_21 |
Other InformationHide
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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 KrupkaiteHide
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References for KrupkaiteHide
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Reference List:
Localities for KrupkaiteHide
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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
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- 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.