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Crerarite

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Formula:
Pt2-x(Bi,Pb)11(S,Se)11
System:
Triclinic
Colour:
light grey
Lustre:
Metallic
Hardness:
3 - 3½
Name:
Named for Prof. David Crerar (1945-1994) of Princeton University.
This page provides mineralogical data about Crerarite.

Classification of Crerarite

Approved 1994
2.LB.45

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
L : Unclassified Sulfosalts
B : With essential Pb
2.8.1.8

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

Year of Discovery:
1994

Physical Properties of Crerarite

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

Optical Data of Crerarite

Type:
Isotropic

Chemical Properties of Crerarite

Formula:
Pt2-x(Bi,Pb)11(S,Se)11
Essential elements:
All elements listed in formula:
Common Impurities:
Pd,Fe,Cu,Te

Relationship of Crerarite to other Species

2.LB.05MiharaiteCu4FePbBiS6
2.LB.30ArdaitePb19Sb13S35Cl7
2.LB.30LaunayiteCuPb10(Sb,As)12S20
2.LB.30MadocitePb19(Sb,As)16S43
2.LB.30PlayfairitePb16(Sb,As)19S44Cl
2.LB.30SorbyiteCuPb9(Sb,As)11S26
2.LB.30SterryiteAg2Pb10(Sb,As)12S29
2.LB.35Larosite(Cu,Ag)21(Pb,Bi)2S13
2.LB.40PetroviciteCu3HgPbBiSe5
2.LB.40MazzettiiteAg3HgPbSbTe5

Other Names for Crerarite

Name in Other Languages:
German:Crerarit
Spanish:Crerarita

Other Information

Health Risks:
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:
COOK, N.J., WOOD, S.A., GEBERT, W., BERNHARDT, H.J. & MEDENBACH, O. (1994): Crerarite, a new Pt-Bi-Pb-S mineral from the Cu-Bi-Ni-PGE deposit at Lac Sheen, Abitibi-Témiscamingue, Québec, Canada. Neues Jahrbuch für Mineralogie, Monatshefte, 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

Localities for Crerarite

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 for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? 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 Township
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
COOK, N.J., WOOD, S.A., GEBERT, W., BERNHARDT, H.J. & MEDENBACH, O. (1994): Crerarite, a new Pt-Bi-Pb-S mineral from the Cu-Ni-PGE deposit at Lac Sheen, Abitibi-Témiscamingue, Québec, Canada. Neues Jahrbuch für Mineralogie, Monatshefte, 567-575.
Mineral and/or Locality  
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