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Guettardite

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Seravezza, Apuan Alps, Lucca Province, Tuscany, Italy
© Sandro Maggia

Show Guettardite Photos (2)
Formula:
Pb(Sb,As)
 
2
S
 
4
System:MonoclinicHardness:4
This page provides mineralogical data about Guettardite.

Classification of Guettardite

IMA status:Approved
Strunz 8th edition ID:2/E.25-40
Nickel-Strunz 10th (pending) edition ID:2.HC.05a

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
H : Sulfosalts of SnS archetype
C : With only Pb
Dana 8th edition ID:3.7.8.2

3 : SULFOSALTS
7 : ø = 2
Hey's CIM Ref.:5.6.18

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 Guettardite

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

Physical Properties of Guettardite

Hardness (Mohs):4

Crystallography of Guettardite

Crystal System:Monoclinic
Cell Parameters:a = 20.09Å, b = 7.94Å, c = 8.76Å
β = 101.12°
Ratio:a:b:c = 2.53 : 1 : 1.103
Unit Cell Volume:V 1,371.11 ų (Calculated from Unit Cell)

Chemical Properties of Guettardite

Formula:
Pb(Sb,As)
 
2
S
 
4
Essential elements:Pb, S, Sb
All elements listed in formula:As, Pb, S, Sb
Common Impurities:Cu

Relationship of Guettardite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
2.HC.05bBaumhauerite-2a
Pb
 
11
Ag(As,Sb)
 
18
S
 
36
2.HC.05bBaumhauerite
Pb
 
3
As
 
4
S
 
9
2.HC.05eChabournéite
(Tl,Pb)
 
5
(Sb,As)
 
21
S
 
34
2.HC.05dDufrénoysite
Pb
 
2
As
 
2
S
 
5
2.HC.05cLiveingite
Pb
 
9
As
 
13
S
 
28
2.HC.05fParapierrotite
Tl(Sb,As)
 
5
S
 
8
2.HC.05fPierrotite
Tl
 
2
Sb
 
6
As
 
4
S
 
16
2.HC.05dRathite
(Pb,Tl)
 
3
As
 
5
S
 
10
2.HC.05aSartorite
PbAs
 
2
S
 
4
2.HC.05aTwinnite
Pb(Sb,As)
 
2
S
 
4
2.HC.05dVeenite
Pb
 
2
(Sb,As)
 
2
S
 
5
2.HC.05gMarumoite
Pb
 
32
As
 
40
S
 
92
2.HC.10aFülöppite
Pb
 
3
Sb
 
8
S
 
15
2.HC.10cHeteromorphite
Pb
 
7
Sb
 
8
S
 
19
2.HC.10bPlagionite
Pb
 
5
Sb
 
8
S
 
17
2.HC.10dRayite
Pb
 
8
(Ag,Tl)
 
2
Sb
 
8
S
 
21
2.HC.10dSemseyite
Pb
 
9
Sb
 
8
S
 
21
2.HC.15Boulangerite
Pb
 
5
Sb
 
4
S
 
11
2.HC.15Falkmanite
Pb
 
5.4
Sb
 
3.6
S
 
11
2.HC.15Plumosite
2.HC.20Robinsonite
Pb
 
4
Sb
 
6
S
 
13
2.HC.25Moëloite
Pb
 
6
Sb
 
6
S
 
14
(S
 
3
)
2.HC.30Dadsonite
Pb
 
23
Sb
 
25
S
 
60
Cl
2.HC.35Owyheeite
Ag
 
2
Pb
 
5
Sb
 
6
S
 
15
2.HC.35Zoubekite
AgPb
 
4
Sb
 
4
S
 
10
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
5.6.12Playfairite
Pb
 
16
Sb
 
18
S
 
43
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
5.6.19Twinnite
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 Guettardite

Synonyms:
IMA1966-018
Other Languages:
German:Guettardit
Spanish:Guettardita

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 Guettardite

Reference List:American Mineralogist: 53: 1425.

Canadian Mineralogist: 18: 13-15.

Internet Links for Guettardite

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    Localities for Guettardite

    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.
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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; Jambor (1967b) Can. Min. 9, 191-213
    France
     
    • Provence-Alpes-Côte d'Azur
      • Hautes-Alpes
        • Valgaudemar
          • Pelvoux Mt.
    		Can. Min. 18:13.
    Italy
     
    • Piedmont
      • Cuneo Province
        • Tanaro Valley
          • Ormea
    		Piccoli, G.C., Maletto, G., Bosio, P., Lombardo, B. (2007). Minerali del Piemonte e della Valle d\'Aosta. Associazione Amici del Museo \"F. Eusebio\" Alba, Ed., Alba (Cuneo) 607 pp.
    • Tuscany
      • Lucca Province
        • Apuan Alps
          • Seravezza
    		Anthony, Bideaux, Bladh, Nichols: "Handbook of Mineralogy", Vol. 1, 1990; Orlandi et al., 1996. Minerals of the Seravezza Marble, Tuscany, Italy. Min. Rec., 27: 47-58. ; Canadian Mineralogist (1980) 18:13-15
    Kyrgyzstan
     
    • Osh Oblast
      • Fergana Valley
        • Alai Range
    		[Lapis 1993:11 p11-24]
    [Lapis 11:11-24]
    USA
     
    • Colorado
      • San Juan Co.
        • Silverton District
          • Silverton
            • Anvil Mountain
    		Minerals of Colorado (1997) Eckel, E. B.
    Mineral and/or Locality
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