Jaskólskiite
A valid IMA mineral species
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About Jaskólskiite
Formula:
CuxPb2+x(Sb,Bi)2-xS5 (x ~ 0.15)
Type material has Pb2.22Cu0.19Sb1.17Bi0.62S5.
Harris et al. (1984) give the empirical formula Pb2.15Cu0.15Sb1.08Bi0.77S5.
Harris et al. (1984) give the empirical formula Pb2.15Cu0.15Sb1.08Bi0.77S5.
Colour:
Lead grey
Lustre:
Metallic
Hardness:
4
Specific Gravity:
6.53 (Calculated)
Crystal System:
Orthorhombic
Member of:
Name:
Named by Marek A. Zakrzewski in 1985 in honor of Stanisław Jaskólski (28 September 1896, Lviv, Ukraine - 4 August 1981, Kraków, Poland), Polish mineralogist and professor at Akademia Górniczo-Hutnicza in Kraków, Poland. He developed ore microscopy in Poland.
Type Locality:
Silvery white metallic masses with no apparent cleavage. The breakage surface may look somewhat granular. Compare the chemically similar tintinaite.
Name Encoding
ASCII-7:
Jaskolskiite
Unique Identifiers
Mindat ID:
2079
Long-form identifier:
mindat:1:1:2079:0
IMA Classification of Jaskólskiite
Approved
IMA Formula:
Cu1+0.15Pb2+2.15(Sb3+,Bi3+)1.85S2-5
Approval year:
1982
First published:
1984
Classification of Jaskólskiite
2.HB.05c
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
3.5.13.1
3 : SULFOSALTS
5 : 2.5 < ø < 3
3 : SULFOSALTS
5 : 2.5 < ø < 3
5.7.11
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 IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
| Symbol | Source | Reference for Standard |
|---|---|---|
| Jks | 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 Jaskólskiite
Metallic
Transparency:
Opaque
Comment:
Bright silvery-white
Colour:
Lead grey
Streak:
Dark grey
Hardness:
4 on Mohs scale
Hardness:
VHN100=165 - 179 kg/mm2 - Vickers
Tenacity:
Brittle
Cleavage:
None Observed
Density:
6.53(6) g/cm3 (Calculated)
Comment:
D(calc.): 6.47–6.59 g/cm³.
Optical Data of Jaskólskiite
Anisotropism:
Strong, without distinct colors
Reflectivity:
| Wavelength | R1 (%) | R2 (%) |
|---|---|---|
| 400nm | 38.4% | 44.9% |
| 420nm | 38.4% | 44.6% |
| 440nm | 38.1% | 44.1% |
| 460nm | 37.8% | 43.6% |
| 480nm | 37.4% | 43.1% |
| 500nm | 37.0% | 42.6% |
| 520nm | 36.7% | 42.3% |
| 540nm | 36.5% | 42.0% |
| 560nm | 36.3% | 41.7% |
| 580nm | 36.1% | 41.5% |
| 600nm | 36.0% | 41.3% |
| 620nm | 35.8% | 41.0% |
| 640nm | 35.5% | 40.7% |
| 660nm | 35.2% | 40.2% |
| 680nm | 34.8% | 39.8% |
| 700nm | 34.4% | 39.3% |
Graph shows reflectance levels at different wavelengths (in nm). Peak reflectance is 44.9%.
R1 shown in black, R2 shown in red
Colour in reflected light:
Gray
Pleochroism:
Visible
Comments:
Moderate, in yellow tints.
Chemistry of Jaskólskiite
Mindat Formula:
CuxPb2+x(Sb,Bi)2-xS5 (x ~ 0.15)
Type material has Pb2.22Cu0.19Sb1.17Bi0.62S5.
Harris et al. (1984) give the empirical formula Pb2.15Cu0.15Sb1.08Bi0.77S5.
Type material has Pb2.22Cu0.19Sb1.17Bi0.62S5.
Harris et al. (1984) give the empirical formula Pb2.15Cu0.15Sb1.08Bi0.77S5.
Crystallography of Jaskólskiite
Crystal System:
Orthorhombic
Class (H-M):
mmm(2/m2/m2/m) - Dipyramidal
Cell Parameters:
a = 11.32 Å, b = 19.85 Å, c = 4.094 Å
Ratio:
a:b:c = 0.57 : 1 : 0.206
Unit Cell V:
919.93 ų (Calculated from Unit Cell)
Z:
4
Morphology:
Forms observed include {010} and {110} and to a lesser degree {100}, {120} and {210}.
Comment:
Space group Pbnm (non-standard setting). Range of unit-cell parameters observed: a = 11.312–11.331, b = 19.829–19.871, c = 4.088–4.100 Å.
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 3.710 Å | (100) |
| 3.595 Å | (50) |
| 3.333 Å | (60) |
| 2.970 Å | (80) |
| 2.761 Å | (60) |
| 2.751 Å | (50) |
| 2.050 Å | (50) |
Geological Environment
Paragenetic Mode(s):
| Paragenetic Mode | Earliest Age (Ga) |
|---|---|
| High-? alteration and/or metamorphism | |
| 33 : Minerals deposited by hydrothermal metal-rich fluids (see also [#12]) |
Type Occurrence of Jaskólskiite
General Appearance of Type Material:
Aggregates up to a few centimetres in diameter of lead-grey sulfosalt intergrown with galena.
Place of Conservation of Type Material:
1) Wroclaw University, Wroclaw, Poland, II–6801.
2) Institute of Earth Sciences, Free University of Amsterdam, Amsterdam, The Netherlands, 150-J-2.
3) National Museum of Natural History, Washington, D.C., USA, 162203, 162481.
2) Institute of Earth Sciences, Free University of Amsterdam, Amsterdam, The Netherlands, 150-J-2.
3) National Museum of Natural History, Washington, D.C., USA, 162203, 162481.
Geological Setting of Type Material:
A fahlband-type chalcopyrite-cobaltite deposit.
Associated Minerals at Type Locality:
Synonyms of Jaskólskiite
Other Language Names for Jaskólskiite
Dutch:Jaskólskiiet
German:Jaskólskiit
Jaskolskit
Jaskolskit
Russian:Яскульскиит
Simplified Chinese:硫锑铜铅矿
Spanish:Jaskólskiita
Jaskolskita
Jaskolskita
Relationship of Jaskólskiite to other Species
Member of:
Other Members of Meneghinite Homologous Series:
| Meneghinite | Pb13CuSb7S24 | Orth. mmm(2/m2/m2/m) |
Common Associates
Associations Based on Photo Data:
| 24 photos of Jaskólskiite associated with Quartz | SiO2 |
| 14 photos of Jaskólskiite associated with Chalcopyrite | CuFeS2 |
| 7 photos of Jaskólskiite associated with Marcasite | FeS2 |
| 7 photos of Jaskólskiite associated with Sphalerite | ZnS |
| 5 photos of Jaskólskiite associated with Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| 5 photos of Jaskólskiite associated with Izoklakeite | Pb27(Cu,Fe,Ag)2(Sb,Bi)19S57 |
| 4 photos of Jaskólskiite associated with Cobaltite | CoAsS |
| 3 photos of Jaskólskiite associated with Pyrite | FeS2 |
| 3 photos of Jaskólskiite associated with Calcite | CaCO3 |
| 2 photos of Jaskólskiite associated with Galena | PbS |
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 | Salzburgite | Cu1.6Pb1.6Bi6.4S12 |
| 2.HB.05a | Hammarite | Cu2Pb2Bi4S9 |
| 2.HB.05 | 'UM1990-54-Se:BiCuPb' | CuPb(Ni,Co)0.3Bi3Se6 |
| 2.HB.05a | Aikinite | CuPbBiS3 |
| 2.HB.05a | Pekoite | CuPbBi11S18 |
| 2.HB.05a | Friedrichite | Cu5Pb5Bi7S18 |
| 2.HB.05b | Meneghinite | Pb13CuSb7S24 |
| 2.HB.05a | Paarite | Cu1.7Pb1.7Bi6.3S12 |
| 2.HB.05a | Lindströmite | Cu3Pb3Bi7S15 |
| 2.HB.05a | Emilite | Cu10.7Pb10.7Bi21.3S48 |
| 2.HB.05a | Gladite | CuPbBi5S9 |
| 2.HB.05a | Krupkaite | CuPbBi3S6 |
| 2.HB.05 | 'UM2000-46-S:BiCuPb' | Cu0.33Pb0.33Bi7.67S12 |
| 2.HB.10b | Izoklakeite | Pb27(Cu,Fe,Ag)2(Sb,Bi)19S57 |
| 2.HB.10c | Eclarite | (Cu,Fe)Pb9Bi12S28 |
| 2.HB.10a | Tintinaite | Pb22Cu4(Sb,Bi)30S69 |
| 2.HB.10b | Giessenite | Pb27Cu2(Bi,Sb)19S57 |
| 2.HB.10a | Kobellite | Pb22Cu4(Bi,Sb)30S69 |
| 2.HB.15 | Jamesonite | Pb4FeSb6S14 |
| 2.HB.15 | Benavidesite | Pb4MnSb6S14 |
| 2.HB.20a | Nagyágite | [Pb3(Pb,Sb)3S6](Au,Te)3 |
| 2.HB.20b | Buckhornite | AuPb2BiTe2S3 |
| 2.HB.20e | Luxembourgite | AgCuPbBi4Se8 |
| 2.HB.20b | Jaszczakite | [Bi3S3][AuS2] |
| 2.HB.20d | Berryite | Cu3Ag2Pb3Bi7S16 |
| 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.25 | Meerschautite | (Ag,Cu)6Pb43-2xSb44+2xS112Ox (x ~0.5) |
Other Information
Notes:
Reacts with HNO3 (1:1) immediately, but no observable reaction occurs with HCl (1:1), KOH (40%) or FeCl3 (20%).
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 Jaskólskiite
mindat.org URL:
https://www.mindat.org/min-2079.html
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References for Jaskólskiite
Reference List:
Zakrzewski, Marek A. (1984) Jaskólskiite, a new Pb-Cu-Sb-Bi sulfosalt from the Vena Deposit, Sweden. The Canadian Mineralogist, 22 (3) 481-485
Harris, Donald C., Roberts, Andrew C., Criddle, Alan J. (1984) Jaskólskiite from Izok Lake, Northwest Territories. The Canadian Mineralogist, 22 (3) 487-491
Zakrzewski, Marek A. (1984) Jaskólskiite, a new Pb-Cu-Sb-Bi sulfosalt from the Vena Deposit, Sweden. The Canadian Mineralogist, 22 (3) 481-485
Dunn, Pete J., Fleischer, Michael, Langley, Richard H., Shigley, James E., Zilczer, Janet A. (1985) New mineral names. American Mineralogist, 70 (7-8) 871-881
Moëlo, Y., Roger, G., Maurel-Palacin, D., Marcoux, E., Laroussi, A. (1995) Chemistry of some Pb-(Cu, Fe)-(Sb, Bi sulfosalts from France and Portugal. Implications for the crystal chemistry of lead sulfosalts in the Cu-poor part of the Pb2S2-Cu2S-Sb2S3-Bi2-Bi2S3 system. Mineralogy and Petrology, 53 (4) 229-250 doi:10.1007/bf01160149
Števko, Martin; Sejkora, Jiří; Mikuš, Tomáš; Dolníček, Zdeněk (2021) New data on sulphosalts from the hydrothermal siderite-type veins in the Spišsko-gemerské rudohorie Mts. (eastern Slovakia): 2. Jaskólskiite and associated sulphosalts from the Aurélia II vein near Rožňava. Bulletin Mineralogie Petrologie, 29 (2). 204-212 doi:10.46861/bmp.29.204
Localities for Jaskólskiite
Showing 18 localities.
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).
All localities listed without proper references should be considered as questionable.
Argentina | |
| Färber (n.d.) |
Austria | |
| Schachinger et al. (2017) |
Canada | |
| Anthony +2 other references |
China | |
| Jianglong Li et al. (2012) |
Finland | |
| Ilkka Mikkola collection |
Germany | |
| Wagner et al. (1997) |
Italy | |
| Biagioni et al. (2008) |
Russia | |
| Nordgold |
| Bortnikov et al. (1987) +1 other reference |
| Gvozdev et al. (2005) |
| Gvozdev et al. (2020) |
Slovakia | |
| Martin Števko-unpublished |
| Pršek et al. (2007) |
| Pršek J & Biroň A. (2007) +1 other reference | |
| Duda et. all. |
| Ďuďa R. (2001) | |
Spain | |
| Almodóvar et al. (1997) |
Sweden (TL) | |
| Zakrzewski (1984) +2 other references |
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Aurélia Vein, Mária Mine, Rožňava, Rožňava District, Košice Region, Slovakia