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Pillaite

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Big Photo

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

Show Pillaite Photos (18)



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)
2.359 (13)
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
Ag
 
2
Cu
 
6
Pb
 
25
Bi
 
26
S
 
68
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.25fÁngelaite
Cu
 
2
AgPbBiS
 
4
2.JB.25iCuproneyite
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
Ag
 
5
Pb
 
14
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

Search Engines:
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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Pillaite details from Handbook of Mineralogy (PDF)
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    • Localities for Pillaite

    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.
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    (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.
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