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Pillaite

Big Photo

Buca della Vena Mine, Ponte Stazzemese, Stazzema, Apuan Alps, Lucca Province, Tuscany, Italy
© Marco Barsanti

Show Pillaite Photos (16)
Formula:
Pb
 
9
Sb
 
10
S
 
23
ClO
 
0.5
System:MonoclinicColour:Black
Lustre:MetallicHardness:3 - 4
Name:Named for Leopoldo Pilla (1805–1848), an early Italian earth scientist and hero of Italian independence.


Zinkenite Group.

Classification of Pillaite

IMA status:Approved 1997
Nickel-Strunz 10th (pending) edition ID: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
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Type Occurrence of Pillaite

Type Locality:Buca della Vena Mine, Ponte Stazzemese, Stazzema, Apuan Alps, Lucca Province, Tuscany, Italy
Geological Setting of type material:Late extensional calcite veins embedded in dolomitic limestones.

Physical Properties of Pillaite

Lustre:Metallic
Diaphaneity (Transparency):Opaque
Colour:Black
Streak:Black to dark brown
Hardness (Mohs):3 - 4
Tenacity:Brittle
Fracture:Irregular/Uneven
Density (calculated):5.77 g/cm3

Crystallography of Pillaite

Crystal System:Monoclinic
Class (H-M):2/m - Prismatic
Space Group:B2/m {B1 1 2/m} {C2/m} {C1 2/m 1}
Cell Parameters:a = 49.65Å, b = 4.15Å, c = 21.91Å
β = 99.76°
Ratio:a:b:c = 11.964 : 1 : 5.28
Unit Cell Volume:V 4449 ų
Z:4
X-Ray Powder Diffraction:
d-spacingIntensity
4.14 (27)
3.98 (12)
3.88 (20)
3.621 (26)
3.548 (40)
3.480 (100)
3.365 (13)
3.249 (24)
2.956 (47)
2.780 (22)
Comments:d measured.

Chemical Properties of Pillaite

Formula:
Pb
 
9
Sb
 
10
S
 
23
ClO
 
0.5
Essential elements:Cl, O, Pb, S, Sb
All elements listed in formula:Cl, O, Pb, S, Sb

Relationship of Pillaite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
2.JB.05Diaphorite
Ag
 
3
Pb
 
2
Sb
 
3
S
 
8
2.JB.10Cosalite
Pb
 
2
Bi
 
2
S
 
5
2.JB.15Freieslebenite
AgPbSbS
 
3
2.JB.15Marrite
AgPbAsS
 
3
2.JB.20Cannizzarite
Pb
 
4
Bi
 
6
S
 
13
2.JB.20Wittite
Pb
 
9
Bi
 
12
(S,Se)
 
27
2.JB.25aJunoite
Cu
 
2
Pb
 
3
Bi
 
8
(S,Se)
 
16
2.JB.25iNeyite
Pb
 
7
(Cu,Ag)
 
2
Bi
 
6
S
 
17
2.JB.25cNordströmite
CuPb
 
3
Bi
 
7
(Se
 
4
S
 
10
)
2.JB.25gNuffieldite
Pb
 
2
Cu(Pb,Bi)Bi
 
2
S
 
7
2.JB.25dProudite
CuPb
 
7.5
Bi
 
9.33
(S,Se)
 
22
2.JB.25hWeibullite
Pb
 
5
Bi
 
8
Se
 
7
S
 
11
2.JB.25bFelbertalite
Cu
 
2
Pb
 
6
Bi
 
8
S
 
19
2.JB.25jRouxelite
Cu
 
2
HgPb
 
23
Sb
 
27
S
 
65.5
2.JB.25fAngelaite
Cu
 
2
AgPbBiS
 
4
2.JB.25iIMA2008-053
Cu
 
7
Pb
 
27
Bi
 
25
S
 
68
2.JB.30aGeocronite
Pb
 
14
(Sb,As)
 
6
S
 
23
2.JB.30aJordanite
Pb
 
14
(As,Sb)
 
6
S
 
23
2.JB.30bKirkiite
Pb
 
10
Bi
 
3
As
 
3
S
 
19
2.JB.30cTsugaruite
Pb
 
4
As
 
2
S
 
7
2.JB.35aZinkenite
Pb
 
9
Sb
 
22
S
 
42
2.JB.35bScainiite
Pb
 
14
Sb
 
30
S
 
54
O
 
5
2.JB.35dPellouxite
(Cu,Ag)Pb
 
10
Sb
 
12
S
 
27
O(Cl,S)
 
0.6
2.JB.40bAschamalmite
Pb
 
6
Bi
 
2
S
 
9
2.JB.40aBursaite
Pb
 
5
Bi
 
4
S
 
11
2.JB.40bEskimoite
Ag
 
7
Pb
 
10
Bi
 
15
S
 
36
2.JB.40aFizélyite
Pb
 
14
Ag
 
5
Sb
 
21
S
 
48
 ?
2.JB.40aGustavite
Ag
 
3
Pb
 
5
Bi
 
11
S
 
24
2.JB.40aLillianite
Pb
 
3
Bi
 
2
S
 
6
2.JB.40cOurayite
Ag
 
3
Pb
 
4
Bi
 
5
S
 
13
2.JB.40aRamdohrite
(Cd,Mn,Fe)Ag
 
5.5
Pb
 
12
Sb
 
21.5
S
 
48
2.JB.40aRoshchinite
Ag
 
19
Pb
 
10
Sb
 
51
S
 
96
2.JB.40dSchirmerite
AgPb
 
2
Bi
 
3
S
 
7
2.JB.40aTreasurite
Ag
 
7
Pb
 
6
Bi
 
15
S
 
32
2.JB.40aUchucchacuaite
AgMnPb
 
3
Sb
 
5
S
 
12
2.JB.40eUstarasite
Pb(Bi,Sb)
 
6
S
 
10
 (?)
2.JB.40aVikingite
Ag
 
5
Pb
 
8
Bi
 
13
S
 
30
2.JB.40aXilingolite
Pb
 
3
Bi
 
2
S
 
6
2.JB.40bHeyrovskýite
Pb
 
10
AgBi
 
5
S
 
18
2.JB.40UM1988-05-S:AgBiCuHgPb
(Hg,Ag,Cu,Pb)
 
5
Pb
 
5
Bi
 
11
S
 
27
2.JB.40UM1988-06-S:AgBiCuHgPb
(Pb,Hg)
 
12
(Cu,Ag)
 
3
(Bi,Sb)
 
10
(S,Te)
 
27
2.JB.40aAndorite IV
Pb
 
18
Ag
 
15
Sb
 
47
S
 
96
2.JB.55Gratonite
Pb
 
9
As
 
4
S
 
15
2.JB.60Marrucciite
Hg
 
3
Pb
 
16
Sb
 
18
S
 
46
2.JB.65Vurroite
Pb
 
20
Sn
 
2
(Bi,As)
 
22
S
 
54
Cl
 
6

Other Names for Pillaite

Synonyms:
IMA1997-042
Other Languages:
German:Pillait
Russian:Пиллаит
Spanish:Pillaita

Other Information

Health Warning:No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Pillaite

Reference List: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.

Meerschaut, A., Palvadeau, P., Moelo, 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.

Internet Links for Pillaite

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  • Raman and XRD data at RRUFF project
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  • Pillaite details from Handbook of Mineralogy (PDF)
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    Localities for Pillaite

    Hide Locality List
    The 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.
    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    Italy
     
    • Tuscany
      • Lucca Province
        • Apuan Alps
          • Stazzema
            • Ponte Stazzemese
    		Orlandi P., 2003. Buca della Vena: i solfosali aciculari di piombo e antimonio (Alpi Apuane, Toscana, Italia). Riv. Miner. Ital., 4: 224-229.
    Mineral and/or Locality
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    Copyright © Jolyon Ralph and Ida Chau 1993-2009. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 30th Oct 2009 09:52:16