Staročeskéite
A valid IMA mineral species
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Formula:
Ag0.70Pb1.60(Bi1.35Sb1.35)Σ2.70S6
Colour:
Steel-grey
Lustre:
Metallic
Specific Gravity:
6.185 (Calculated)
Crystal System:
Orthorhombic
Member of:
Name:
Named after the Staročeské pásmo Lode of the Kutná Hora base-metal ore district, Czech Republic, the type locality. The pronunciation of the mineral name is best approximated as /´starotʃeski:ait/ using the International Phonetic Alphabet. The acute accent ´ symbol indicates that the main stress is on the /sta/ syllable.
A member of the lillianite homologous series with N = 4.
Chemically similar to oscarkempffite, clino-oscarkempffite, izoklakeite, lazerckerite, and holubite.
Chemically similar to oscarkempffite, clino-oscarkempffite, izoklakeite, lazerckerite, and holubite.
Unique Identifiers
Mindat ID:
51571
Long-form identifier:
mindat:1:1:51571:1
GUID
(UUID V4):
(UUID V4):
0974a7c3-938f-4c09-bc25-65253316b2cf
IMA Classification of Staročeskéite
Approved
IMA Formula:
Ag0.70Pb1.60(Bi1.35Sb1.35)Σ2.70S6
Approval year:
2016
First published:
2018
Classification of Staročeskéite
2.JB.40a
2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
J : Sulfosalts of PbS archetype
B : Galena derivatives, with Pb
2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
J : Sulfosalts of PbS archetype
B : Galena derivatives, with 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 |
---|---|---|
Sčk | 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 Staročeskéite
Optical Data of Staročeskéite
Anisotropism:
Weak to medium with grey to bluish grey rotation tints
Reflectivity:
Wavelength | R1 | R2 |
---|---|---|
400nm | 39.3% | 41.6% |
420nm | 39.7% | 41.7% |
440nm | 39.6% | 41.6% |
460nm | 39.2% | 41.0% |
470nm | 39.0% | 40.8% |
480nm | 38.7% | 40.5% |
500nm | 38.4% | 40.2% |
520nm | 38.0% | 39.8% |
540nm | 37.7% | 39.5% |
546nm | 37.6% | 39.4% |
560nm | 37.4% | 39.2% |
580nm | 37.1% | 38.9% |
589nm | 37.1% | 38.8% |
600nm | 37.0% | 38.7% |
620nm | 36.8% | 38.5% |
640nm | 36.8% | 38.4% |
650nm | 36.7% | 38.3% |
660nm | 36.7% | 38.4% |
680nm | 36.6% | 38.3% |
700nm | 36.5% | 38.1% |
Graph shows reflectance levels at different wavelengths (in nm). Top of box is 100%. Peak reflectance is 41.7%.
R1 shown in black, R2 shown in red
Colour in reflected light:
Greyish white
Internal Reflections:
Not observed
Pleochroism:
Weak
Comments:
With greyish tints.
Chemistry of Staročeskéite
Mindat Formula:
Ag0.70Pb1.60(Bi1.35Sb1.35)Σ2.70S6
Crystallography of Staročeskéite
Crystal System:
Orthorhombic
Class (H-M):
mmm (2/m 2/m 2/m) - Dipyramidal
Space Group:
Cmcm
Setting:
Cmcm
Cell Parameters:
a = 4.2539(8) Å, b = 13.3094(8) Å, c = 19.625(1) Å
Ratio:
a:b:c = 0.32 : 1 : 1.475
Unit Cell V:
1,111.11 ų (Calculated from Unit Cell)
Morphology:
Lath shaped crystals; anhedral grains (up to 80 µm × 70 µm) forming aggregates up to 200 µm × 150 µm across
X-Ray Powder Diffraction
Powder Diffraction Data:
d-spacing | Intensity |
---|---|
3.746 Å | (33) |
3.446 Å | (61) |
3.382 Å | (100) |
3.035 Å | (45) |
2.932 Å | (80) |
2.779 Å | (34) |
2.127 Å | (29) |
2.098 Å | (28) |
Comments:
From Type Description.
Geological Environment
Paragenetic Mode(s):
Paragenetic Mode | Earliest Age (Ga) |
---|---|
Stage 3b: Earth’s earliest hydrosphere | >4.45 |
12 : Hadean hydrothermal subsurface sulfide deposits (see also #33) |
Type Occurrence of Staročeskéite
General Appearance of Type Material:
As lath shaped crystals or anhedral grains up to 80 µm × 70 µm, growing together in aggregates up to 200 µm × 150 µm across
Place of Conservation of Type Material:
Type material is deposited in the collections of the National Museum, Department of Mineralogy and Petrology, Cirkusová 1740, Praha 9, Czech Republic, catalogue number P1P 30/2016
Empirical Formula of Type Material:
(Ag0.68Cu0.01)Σ0.69(Pb1.56Fe0.01Cd0.01)Σ1.58(Bi1.32Sb1.37)Σ2.69(S6.04Se0.01)Σ6.05
Chemical Analysis of Type Material:
Ag | 7.22 % |
---|---|
Pb | 31.70 % |
Bi | 26.97 % |
Sb | 15.72 % |
S | 18.39 % |
Total: | 100 % |
Geological Setting of Type Material:
Late-stage Bi-mineralization in in quartz gangue.
Associated Minerals at Type Locality:
Reference:
Pazout, R. & Sejkora, J. (2018): Staročeskéite, Ag0.70Pb1.60(Bi1.35Sb1.35)Σ2.70S6, from Kutná Hora, Czech Republic, a new member of the lillianite homologous series. Mineralogical Magazine: 82: 993-1005.
Synonyms of Staročeskéite
Relationship of Staročeskéite to other Species
Member of:
Other Members of this group:
Andreadiniite | CuHgAg7Pb7Sb24S48 | Mon. 2/m : P21/b |
Arsenquatrandorite | Ag17.6Pb12.8Sb38.1As11.5S96 | Mon. 2/m : P21/b |
Aschamalmite | Pb6-3xBi2+xS9 | Mon. 2/m : B2/m |
Clino-oscarkempffite | Ag15Pb6Sb21Bi18S72 | Mon. 2/m : P21/b |
Erzwiesite | Ag8Pb12Bi16S40 | Orth. mmm (2/m 2/m 2/m) : Cmcm |
Eskimoite | Ag7Pb10Bi15S36 | Mon. |
Fizélyite | Ag5Pb14Sb21S48 | Mon. 2/m |
Gustavite | AgPbBi3S6 | Orth. mmm (2/m 2/m 2/m) |
Heyrovskýite | Pb6Bi2S9 | Orth. mmm (2/m 2/m 2/m) : Cccm |
Holubite | Ag3Pb6(Sb8Bi3)S24 | Mon. 2/m |
Jasrouxite | Ag16Pb4(Sb24As16)S72 | Tric. 1 : P1 |
Lasmanisite | Ag12Pb13Mn11Sb44S96 | Orth. 2 2 2 : P21 21 21 |
Lillianite | Pb3-2xAgxBi2+xS6 | Orth. mmm (2/m 2/m 2/m) |
Menchettiite | AgPb2.40Mn1.60Sb3As2S12 | Mon. 2/m : P21/b |
Oscarkempffite | Ag10Pb4(Sb17Bi9)S48 | Orth. mm2 |
Ourayite | Ag3Pb4Bi5S13 | Orth. |
Oyonite | Ag3Mn2Pb4Sb7As4S24 | Mon. 2/m |
Quatrandorite | AgPbSb3S6 | Mon. 2/m : P21/b |
Ramdohrite | Pb5.9Fe0.1Mn0.1In0.1Cd0.2Ag2.8Sb10.8S24 | Mon. 2/m |
Roshchinite | Ag19Pb10Sb51S96 | Orth. mmm (2/m 2/m 2/m) : Pnma |
Schirmerite | PbAgBi3S6 - Pb3Ag1.5Bi3.5S9 | Orth. |
Senandorite | AgPbSb3S6 | Orth. mm2 : Pmn21 |
Terrywallaceite | AgPb(Sb,Bi)3S6 | Mon. 2/m : P21/b |
Treasurite | Ag7Pb6Bi15S32 | Mon. |
Uchucchacuaite | AgMnPb3Sb5S12 | Orth. mmm (2/m 2/m 2/m) : Pmmm |
Ustarasite | Pb(Bi,Sb)6S10 (?) | |
Vikingite | Ag5Pb8Bi13S30 | Mon. 2/m : B2/m |
Xilingolite | Pb3Bi2S6 | Mon. |
Related Minerals - Strunz-mindat Grouping
2.JB. | Senandorite | AgPbSb3S6 |
2.JB. | Oscarkempffite | Ag10Pb4(Sb17Bi9)S48 |
2.JB. | Chukotkaite | AgPb7Sb5S15 |
2.JB. | Arsenquatrandorite | Ag17.6Pb12.8Sb38.1As11.5S96 |
2.JB. | Clino-oscarkempffite | Ag15Pb6Sb21Bi18S72 |
2.JB. | Andreadiniite | CuHgAg7Pb7Sb24S48 |
2.JB. | Ginelfite | Ag2(Ag0.5Fe)TlPb23.5(Sb,As)33.5S76 |
2.JB. | Lazerckerite | Ag3.75Pb4.50(Sb7.75Bi4)S24 |
2.JB. | Lasmanisite | Ag12Pb13Mn11Sb44S96 |
2.JB. | Montpelvouxite | AgPb16Sb27As18S84 |
2.JB. | Selenojunoite | Cu2Pb3Bi8Se16 |
2.JB.05 | Diaphorite | Ag3Pb2Sb3S8 |
2.JB.10 | Cosalite | Pb2Bi2S5 |
2.JB.15 | Freieslebenite | AgPbSbS3 |
2.JB.15 | Marrite | AgPbAsS3 |
2.JB.20 | Cannizzarite | Pb48Bi56S132 |
2.JB.20 | Wittite | Pb9Bi12(S,Se)27 |
2.JB.25a | Junoite | Cu2Pb3Bi8(S,Se)16 |
2.JB.25i | Neyite | Ag2Cu6Pb25Bi26S68 |
2.JB.25c | Nordströmite | CuPb3Bi7(Se4S10) |
2.JB.25g | Nuffieldite | Cu1.4Pb2.4Bi2.4Sb0.2S7 |
2.JB.25d | Proudite | CuPb7.5Bi9.33(S,Se)22 |
2.JB.25h | Weibullite | Pb5Bi8Se7S11 |
2.JB.25b | Felbertalite | Cu2Pb6Bi8S19 |
2.JB.25j | Rouxelite | Cu2HgPb23Sb27S65.5 |
2.JB.25f | Ángelaite | Cu2AgPbBiS4 |
2.JB.25i | Cuproneyite | Cu7Pb27Bi25S68 |
2.JB.30a | Geocronite | Pb14Sb6S23 |
2.JB.30a | Jordanite | Pb14As6S23 |
2.JB.30b | Kirkiite | Pb10Bi3As3S19 |
2.JB.30c | Tsugaruite | Pb28As15S50Cl |
2.JB.30a | Marcobaldiite | Pb12(Sb3As2Bi)Σ6S21 |
2.JB.30a | Arsenmarcobaldiite | Pb12(As3.2Sb2.8)Σ6S21 |
2.JB.35c | Pillaite | Pb9Sb10S23ClO0.5 |
2.JB.35a | Zinkenite | Pb9Sb22S42 |
2.JB.35b | Scainiite | Pb14Sb30S54O5 |
2.JB.35d | Pellouxite | (Cu,Ag)Pb10Sb12S27O(Cl,S)0.6 |
2.JB.35f | Tubulite | Ag2Pb22Sb20S53 |
2.JB.35e | Chovanite | Pb15-2xSb14+2xS36Ox (x ~ 0.2) |
2.JB.40b | Aschamalmite | Pb6-3xBi2+xS9 |
2.JB.40a | Bursaite | Pb5Bi4S11 (?) |
2.JB.40b | Eskimoite | Ag7Pb10Bi15S36 |
2.JB.40a | Fizélyite | Ag5Pb14Sb21S48 |
2.JB.40a | Gustavite | AgPbBi3S6 |
2.JB.40a | Lillianite | Pb3-2xAgxBi2+xS6 |
2.JB.40c | Ourayite | Ag3Pb4Bi5S13 |
2.JB.40a | Ramdohrite | Pb5.9Fe0.1Mn0.1In0.1Cd0.2Ag2.8Sb10.8S24 |
2.JB.40a | Roshchinite | Ag19Pb10Sb51S96 |
2.JB.40d | Schirmerite | PbAgBi3S6 - Pb3Ag1.5Bi3.5S9 |
2.JB.40a | Treasurite | Ag7Pb6Bi15S32 |
2.JB.40a | Uchucchacuaite | AgMnPb3Sb5S12 |
2.JB.40e | Ustarasite | Pb(Bi,Sb)6S10 (?) |
2.JB.40a | Vikingite | Ag5Pb8Bi13S30 |
2.JB.40a | Xilingolite | Pb3Bi2S6 |
2.JB.40b | Heyrovskýite | Pb6Bi2S9 |
2.JB.40 | UM1988-05-S:AgBiCuHgPb | (Hg,Ag,Cu,Pb)5Pb5Bi11S27 |
2.JB.40 | UM1988-06-S:AgBiCuHgPb | (Pb,Hg)12(Cu,Ag)3(Bi,Sb)10(S,Te)27 |
2.JB.40a | Quatrandorite | AgPbSb3S6 |
2.JB.40a | Menchettiite | AgPb2.40Mn1.60Sb3As2S12 |
2.JB.40a | Terrywallaceite | AgPb(Sb,Bi)3S6 |
2.JB.40a | Jasrouxite | Ag16Pb4(Sb24As16)S72 |
2.JB.40a | Erzwiesite | Ag8Pb12Bi16S40 |
2.JB.40a | Oyonite | Ag3Mn2Pb4Sb7As4S24 |
2.JB.40a | Holubite | Ag3Pb6(Sb8Bi3)S24 |
2.JB.40b | Baiamareite | Ag4Pb12Fe4Sb20S48 |
2.JB.55 | Gratonite | Pb9As4S15 |
2.JB.60 | Marrucciite | Hg3Pb16Sb18S46 |
2.JB.65 | Vurroite | Pb20Sn2(Bi,As)22S54Cl6 |
2.JB.65 | Tazieffite | Pb20Cd2(As,Bi)22S50Cl10 |
2.JB.70 | Daliranite | PbHgAs2S5 |
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 Staročeskéite
mindat.org URL:
https://www.mindat.org/min-51571.html
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References for Staročeskéite
Reference List:
Hålenius, U., Hatert, F., Pasero, M., Mills, S. J. (2017) New minerals and nomenclature modifications approved in 2017. CNMNC Newsletter No 36. Mineralogical Magazine, 81 (2) 403-409 doi:10.1180/minmag.2017.081.022
Localities for Staročeskéite
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.
Bolivia | |
| Cazorla Martínez et al. (2019) |
Torró et al. (2019) | |
| Torró et al. (2019) |
Czech Republic | |
| Pažout (2017) |
| Mineralogical Magazine +2 other references |
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