Pillaite
A valid IMA mineral species
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About Pillaite
Formula:
Pb9Sb10S23ClO0.5
Colour:
Black
Lustre:
Metallic
Hardness:
3 - 4
Specific Gravity:
5.77 (Calculated)
Crystal System:
Monoclinic
Name:
Named for Leopoldo Pilla (Venafro, October 24, 1805 - Curtatone, 29 May 1848), an early Italian earth scientist and hero of Italian independence.
This page provides mineralogical data about Pillaite.
Unique Identifiers
Mindat ID:
10318
Long-form identifier:
mindat:1:1:10318:1
GUID
(UUID V4):
(UUID V4):
8dc2c3a2-00c4-4eb9-9435-f1e0508617e4
IMA Classification of Pillaite
Approved
IMA Formula:
Pb9Sb10S23ClO0.5
Approval year:
1997
First published:
2001
Type description reference:
Classification of Pillaite
2.JB.35c
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 |
---|---|---|
Pil | 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 Pillaite
Metallic
Transparency:
Opaque
Colour:
Black
Streak:
Black to dark brown
Hardness:
3 - 4 on Mohs scale
Hardness:
VHN50=175 kg/mm2 - Vickers
Tenacity:
Brittle
Cleavage:
None Observed
None
None
Fracture:
Irregular/Uneven
Density:
5.77 g/cm3 (Calculated)
Comment:
Could not be measured
Optical Data of Pillaite
Anisotropism:
weak
Bireflectance:
weak
Reflectivity:
Wavelength | R |
---|---|
470nm | 35.7% |
546nm | 34.5% |
589nm | 34.0% |
650nm | 32.7% |
Graph shows reflectance levels at different wavelengths (in nm). Top of box is 100%. Peak reflectance is 35.7%.
Internal Reflections:
Rare - red
Pleochroism:
Non-pleochroic
Chemistry of Pillaite
Mindat Formula:
Pb9Sb10S23ClO0.5
Crystallography of Pillaite
Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
B2/m
Setting:
C2/m
Cell Parameters:
a = 49.65(3) Å, b = 4.150(4) Å, c = 21.91(1) Å
β = 99.76(5)°
β = 99.76(5)°
Ratio:
a:b:c = 11.964 : 1 : 5.28
Unit Cell V:
4449 ų
Z:
4
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) |
---|---|---|---|---|---|---|---|
0006897 | Pillaite | Meerschaut A, Palvadeau P, Moello Y, Orlandi P (2001) Lead-antimony sulfosalts from Tuscany (Italy). IV. Crystal structure of pillaite, Pb9Sb10S23ClO0.5, an expanded monoclinic derivative of hexagonal Bi(Bi2S3)9I3, from the zinkenite group European Journal of Mineralogy 13 779-790 | 2001 | Buca della Vena mine, Tuscany, Italy | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
Powder Diffraction Data:
d-spacing | Intensity |
---|---|
4.14 Å | (27) |
3.98 Å | (12) |
3.88 Å | (20) |
3.621 Å | (26) |
3.548 Å | (40) |
3.480 Å | (100) |
3.365 Å | (13) |
3.249 Å | (24) |
2.956 Å | (47) |
2.780 Å | (22) |
2.359 Å | (13) |
Comments:
d measured.
Geological Environment
Paragenetic Mode(s):
Paragenetic Mode | Earliest Age (Ga) |
---|---|
High-𝑇 alteration and/or metamorphism | |
33 : Minerals deposited by hydrothermal metal-rich fluids (see also [#12]) |
Type Occurrence of Pillaite
General Appearance of Type Material:
Acicular [010] to 1 cm length and 0.1 mm thickness
Place of Conservation of Type Material:
Museo di Storia Naturale e del Territorio at the University of Pisa, Italy.
Geological Setting of Type Material:
Late extensional calcite veins embedded in dolomitic limestones.
Associated Minerals at Type Locality:
Reference:
Orlandi, P., Moelo, Y., Meerschaut, A., Palvadeau, P. (2001) Lead-antimony sulfosalts from Tuscany (Italy). III. Pillaite, Pb9Sb10S23ClO0.5, a new Pb-Sb oxy-chloro-sulfosalt, from Buca della Vena mine. European Journal of Mineralogy: 13: 605-610.
Synonyms of Pillaite
Other Language Names for Pillaite
Common Associates
Associated Minerals Based on Photo Data:
1 photo of Pillaite associated with Sphalerite | ZnS |
1 photo of Pillaite associated with Pyrite | FeS2 |
1 photo of Pillaite associated with Scainiite | Pb14Sb30S54O5 |
1 photo of Pillaite associated with Tintinaite | Pb22Cu4(Sb,Bi)30S69 |
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.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.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 Pillaite
mindat.org URL:
https://www.mindat.org/min-10318.html
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References for Pillaite
Reference List:
Orlandi, Paolo, Moë lo, Yves, Meerschaut, Alain, Palvadeau, Pierre (2001) Lead-antimony sulfosalts from Tuscany (Italy) III. Pillaite, Pb9Sb10S23ClO0.5, a new Pb-Sb oxy-chloro-sulfosalt, from Buca della Vena mine. European Journal of Mineralogy, 13 (3) 605-610 doi:10.1127/0935-1221/2001/0013-0605
Meerschaut, Alain, Palvadeau, Pierre, Moëlo, Yves, Orlandi, Paolo (2001) Lead-antimony sulfosalts from Tuscany (Italy) IV. Crystal structure of pillaite, Pb9Sb10S23ClO0.5, an expanded monoclinic derivative of hexagonal Bi(Bi2S3)9I3, from the zinkenite group. European Journal of Mineralogy, 13 (4) 779-790 doi:10.1127/0935-1221/2001/0013-0779
Orlandi, Paolo, Moë lo, Yves, Meerschaut, Alain, Palvadeau, Pierre (2001) Lead-antimony sulfosalts from Tuscany (Italy) III. Pillaite, Pb9Sb10S23ClO0.5, a new Pb-Sb oxy-chloro-sulfosalt, from Buca della Vena mine. European Journal of Mineralogy, 13 (3) 605-610 doi:10.1127/0935-1221/2001/0013-0605
Localities for Pillaite
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.
Italy (TL) | |
| Orlandi et al. (2001) +1 other reference |
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Buca della Vena Mine, Pontestazzemese, Stazzema, Lucca Province, Tuscany, Italy