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Playfairite

Formula:
Pb
 
16
Sb
 
18
S
 
43
System:MonoclinicHardness:3½ - 4
Name:For John Playfair (1748-1819), Scottish mathematician, physicist, and geologist.
This page provides mineralogical data about Playfairite.

Classification of Playfairite

IMA status:Approved 1966
Strunz 8th edition ID:2/E.20-40
Nickel-Strunz 10th (pending) edition ID:2.LB.30

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
L : Unclassified Sulfosalts
B : With essential Pb
Dana 8th edition ID:3.6.4.1

3 : SULFOSALTS
6 : 2 < ø < 2.49
Hey's CIM Ref.:5.6.12

5 : Sulphosalts - Sulpharsenites and Sulphobismuthites (those containing Sn, Ge,or V are in Section 6)
6 : Sulpharsenites etc. of Pb alone
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Type Occurrence of Playfairite

Type Locality:Taylor Pit (Lot 13; Con. XIV), Madoc, Huntingdon Township, Hastings Co., Ontario, Canada
Year of Discovery:1967

Physical Properties of Playfairite

Hardness (Mohs):3½ - 4

Crystallography of Playfairite

Crystal System:Monoclinic
Cell Parameters:a = 45.12Å, b = 4.13Å, c = 21.45Å
β = 92.53°
Ratio:a:b:c = 10.925 : 1 : 5.194
Unit Cell Volume:V 3,993.22 ų (Calculated from Unit Cell)

Chemical Properties of Playfairite

Formula:
Pb
 
16
Sb
 
18
S
 
43
Essential elements:Pb, S, Sb
All elements listed in formula:Pb, S, Sb
Common Impurities:As

Relationship of Playfairite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
2.LB.05Miharaite
Cu
 
4
FePbBiS
 
6
2.LB.30Ardaite
Pb
 
19
Sb
 
13
S
 
35
Cl
 
7
2.LB.30Launayite
Pb
 
22
Sb
 
26
S
 
61
2.LB.30Madocite
Pb
 
17
Sb
 
16
S
 
41
2.LB.30Sorbyite
Pb
 
19
(Sb,As)
 
20
S
 
49
2.LB.30Sterryite
Ag
 
2
Pb
 
10
(Sb,As)
 
12
S
 
29
2.LB.35Larosite
(Cu,Ag)
 
21
(Pb,Bi)
 
2
S
 
13
2.LB.40Petrovicite
Cu
 
3
HgPbBiSe
 
5
2.LB.40Mazzettiite
Ag
 
3
HgPbSbTe
 
5
2.LB.45Crerarite
(Pt,Pb)Bi
 
3
(S,Se)
 
4-x
Related Minerals - Hey's Index Grouping:

- +
5.6.1Sartorite
PbAs
 
2
S
 
4
5.6.2Dufrénoysite
Pb
 
2
As
 
2
S
 
5
5.6.3Liveingite
Pb
 
9
As
 
13
S
 
28
5.6.4Baumhauerite
Pb
 
3
As
 
4
S
 
9
5.6.5Gratonite
Pb
 
9
As
 
4
S
 
15
5.6.6Jordanite
Pb
 
14
(As,Sb)
 
6
S
 
23
5.6.7Fülöppite
Pb
 
3
Sb
 
8
S
 
15
5.6.8Zinkenite
Pb
 
9
Sb
 
22
S
 
42
5.6.9Plagionite
Pb
 
5
Sb
 
8
S
 
17
5.6.10Heteromorphite
Pb
 
7
Sb
 
8
S
 
19
5.6.11Launayite
Pb
 
22
Sb
 
26
S
 
61
5.6.13Semseyite
Pb
 
9
Sb
 
8
S
 
21
5.6.14Madocite
Pb
 
17
Sb
 
16
S
 
41
5.6.15Boulangerite
Pb
 
5
Sb
 
4
S
 
11
5.6.17Robinsonite
Pb
 
4
Sb
 
6
S
 
13
5.6.18Guettardite
Pb(Sb,As)
 
2
S
 
4
5.6.19Twinnite
Pb(Sb,As)
 
2
S
 
4
5.6.20Veenite
Pb
 
2
(Sb,As)
 
2
S
 
5
5.6.21Sorbyite
Pb
 
19
(Sb,As)
 
20
S
 
49
5.6.22Geocronite
Pb
 
14
(Sb,As)
 
6
S
 
23
5.6.23Galenobismutite
PbBi
 
2
S
 
4
5.6.24Cosalite
Pb
 
2
Bi
 
2
S
 
5
5.6.25Cannizzarite
Pb
 
4
Bi
 
6
S
 
13
5.6.26Lillianite
Pb
 
3
Bi
 
2
S
 
6
5.6.27Giessenite
Pb
 
27
Cu
 
2
(Bi,Sb)
 
19
S
 
57
5.6.28 Platynite
5.6.29Xilingolite
Pb
 
3
Bi
 
2
S
 
6
5.6.30Weibullite
Pb
 
5
Bi
 
8
Se
 
7
S
 
11
5.6.31Wittite
Pb
 
9
Bi
 
12
(S,Se)
 
27
5.6.32Kirkiite
Pb
 
10
Bi
 
3
As
 
3
S
 
19
5.6.33Ustarasite
Pb(Bi,Sb)
 
6
S
 
10
 (?)

Other Names for Playfairite

Synonyms:
IMA1966-019
Other Languages:
German:Playfairit
Spanish:Playfairita

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 Playfairite

Reference List:American Mineralogist (1968): 53: 1424.

Bulletin de la Société française de Minéralogie et de Cristallographie (1981): 104: 759.

Articles/Blogs about Playfairite

Internet Links for Playfairite

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

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    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.
    Canada
     
    • Ontario
      • Hastings Co.
        • Huntingdon Township
          • Madoc
    		http://www.ontariominerals.com
    France
     
    • Provence-Alpes-Côte d'Azur
      • Hautes-Alpes
    		Y. Moelo et al. : "Playfairite,(chlorosulfosel de plomb) du gisement des Cougnasses (Hautes Alpes), Bull. Soc. Fr. Minéral. Cristallogr. , 1987
    Kyrgyzstan
     
    • Osh Oblast
      • Fergana Valley
    		Anthony, Bideaux, Bladh, Nichols: "Handbook of Mineralogy", Vol. 1, 1990
    USA
     
    • Nevada
      • Lander Co.
    		NBMG Spec. Pub. 31 Minerals of Nevada
    Mineral and/or Locality
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