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Crerarite

Formula:
Pt
 
2-x
(Bi,Pb)
 
11
(S,Se)
 
11
System:TriclinicColour:light grey
Lustre:MetallicHardness:3 - 3½
Name:Named for Prof. David Crerar (1945-1994) of Princeton University
This page provides mineralogical data about Crerarite.

Classification of Crerarite

IMA status:Approved 1994
Strunz 8th edition ID:2/C.15-70
Nickel-Strunz 10th (pending) edition ID:2.LB.45

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:2.8.1.8

2 : SULFIDES
8 : AmXp, with m:p = 1:1
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Type Occurrence of Crerarite

Type Locality:Lac Sheen, Belleterre, Témiscamingue RCM, Abitibi-Témiscamingue, Québec, Canada
Year of Discovery:1994

Physical Properties of Crerarite

Lustre:Metallic
Diaphaneity (Transparency):Opaque
Colour:light grey
Hardness (Mohs):3 - 3½
Cleavage:Poor/Indistinct

Crystallography of Crerarite

Crystal System:Triclinic
Class (H-M):1 - Pinacoidal
Space Group:P1
Cell Parameters:a = 9.3521(7) Å, b = 9.3898(6) Å, c = 14.517(1) Å
α = 105.647(1)°, β = 96.780(1)°, γ = 108.390(1)°
Ratio:a:b:c = 0.996 : 1 : 1.546
Unit Cell Volume:V 1,135.72 ų (Calculated from Unit Cell)

Optical Data of Crerarite

Type:Isotropic

Chemical Properties of Crerarite

Formula:
Pt
 
2-x
(Bi,Pb)
 
11
(S,Se)
 
11
Essential elements:Bi, Pt, S
All elements listed in formula:Bi, Pb, Pt, S, Se
Common Impurities:Pd,Fe,Cu,Te

Relationship of Crerarite 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.30Playfairite
Pb
 
16
Sb
 
18
S
 
43
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

Other Names for Crerarite

Synonyms:
IMA1994-003
Other Languages:
German:Crerarit
Spanish:Crerarita

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 Crerarite

Reference List:New Minerals (1997), New Minerals 1990-1994.

Neues Jahrbuch für Mineralogie, Monatshefte (1994): 567-575.

33rd International Geological Congress (2008) session MPM-04 Platinum-group mineralogy: Crerarite a Pt-Bi-S mineral: A new occurrence and re-investigation of its chemical formula and crystal structure

Internet Links for Crerarite

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    Localities for Crerarite

    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.
    Canada
     
    • Ontario
      • Sudbury District
        • Levack
    		33rd International Geological Congress (2008) session MPM-04 Platinum-group mineralogy: Crerarite a Pt-Bi-S mineral: A new occurrence and re-investigation of its chemical formula and crystal structure
        • Wisner Township
    		Econ. Geol. 103 (2008) 1005-1028.
    • Québec
      • Abitibi-Témiscamingue
        • Témiscamingue RCM
          • Belleterre
    		American Mineralogist, volume 80, pp. 845-850 (1995)
    Mineral and/or Locality
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