Holubite
A valid IMA mineral species
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Formula:
Ag3Pb6(Sb8Bi3)S24
Colour:
steel-grey
Lustre:
Metallic
Specific Gravity:
5.899 (Calculated)
Crystal System:
Monoclinic
Member of:
Name:
Named after Milan Holub (1938 - ), a key Czech geologist specialized in the Kutná Hora ore district.
Chemically similar to oscarkempffite, clino-oscarkempffite, izoklakeite, and staročeskéite. Co-described with also chemically (and stoichiometrically) similar lazerckerite.
Holubite is a new member of the andorite branch of the lillianite homologous series with N = 4.
Holubite is a new member of the andorite branch of the lillianite homologous series with N = 4.
Unique Identifiers
Mindat ID:
470682
Long-form identifier:
mindat:1:1:470682:9
GUID
(UUID V4):
(UUID V4):
6628c66e-1fed-4ee2-ab83-6de1b21a36b6
IMA Classification of Holubite
Approved
Approval year:
2023
Approval history:
IMA No. 2022-112
Type description reference:
Classification of Holubite
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 |
---|---|---|
Hlb | 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 Holubite
Optical Data of Holubite
Anisotropism:
weak to medium with grey to bluish grey rotation tint
Bireflectance:
weak with grey tints
Reflectivity:
Wavelength | R1 | R2 |
---|---|---|
470nm | 35.1% | 38.9% |
546nm | 33.5% | 37.2% |
589nm | 32.7% | 36.4% |
650nm | 32.0% | 35.5% |
Graph shows reflectance levels at different wavelengths (in nm). Top of box is 100%. Peak reflectance is 38.9%.
R1 shown in black, R2 shown in red
Colour in reflected light:
greyish white
Internal Reflections:
none
Pleochroism:
Weak
Comments:
grey tints
Chemistry of Holubite
Mindat Formula:
Ag3Pb6(Sb8Bi3)S24
Chemical Analysis
Empirical formulas:
Sample ID | Empirical Formula |
---|---|
1 | (Ag3.03Cu0.03)Σ3.06(Pb6.19Fe0.02Cd0.01)Σ6.22(Sb7.71Bi2.90)Σ10.61S24.12 |
Sample references:
ID | Locality | Reference | Notes |
---|---|---|---|
1 | Staročeské Lode, Kutná Hora, Kutná Hora District, Central Bohemian Region, Czech Republic | by EPMA (WDS); empirical formua basis: 44 atoms pfu |
Crystallography of Holubite
Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Cell Parameters:
a = 19.374(4) Å, b = 13.201(3) Å, c = 8.651(2) Å
β = 90.11(2)°
β = 90.11(2)°
Ratio:
a:b:c = 1.468 : 1 : 0.655
Unit Cell V:
2,212.54 ų (Calculated from Unit Cell)
Z:
2
Comment:
the space group is P21/n
X-Ray Powder Diffraction
Powder Diffraction Data:
d-spacing | Intensity |
---|---|
3.471 Å | (27) |
3.465 Å | (33) |
3.342 Å | (100) |
3.300 Å | (23) |
2.941 Å | (37) |
2.938 Å | (33) |
2.782 Å | (22) |
2.163 Å | (27) |
Type Occurrence of Holubite
General Appearance of Type Material:
aggregates up to 200 x 50 µm
Place of Conservation of Type Material:
collections of the Department of Mineralogy and Petrology, National Museum, Cirkusová 1740, 19300 Prague 9, Czech Republic, catalogue number P1P 10/2022
Geological Setting of Type Material:
a hydrothermal vein type mineralisation
Associated Minerals at Type Locality:
Synonyms of Holubite
Relationship of Holubite 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 |
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 |
Staročeskéite | Ag0.70Pb1.60(Bi1.35Sb1.35)Σ2.70S6 | Orth. mmm (2/m 2/m 2/m) : Cmcm |
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 | Staročeskéite | Ag0.70Pb1.60(Bi1.35Sb1.35)Σ2.70S6 |
2.JB.40a | Oyonite | Ag3Mn2Pb4Sb7As4S24 |
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 |
Fluorescence of Holubite
none
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 Holubite
mindat.org URL:
https://www.mindat.org/min-470682.html
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External Links:
References for Holubite
Reference List:
Bosi, Ferdinando, Hatert, Frédéric, Pasero, Marco, Mills, Stuart J. (2023) Newsletter 72. Mineralogical Magazine, 87 (3) 512-518 doi:10.1180/mgm.2023.21
Localities for Holubite
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.
Czech Republic (TL) | |
| Bosi et al. (2023) +1 other reference |
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