Crerarite
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Formula:
Pt2-x(Bi,Pb)11(S,Se)11
Colour:
light grey
Lustre:
Metallic
Hardness:
3 - 3½
Crystal System:
Triclinic
Name:
Named in honor of David Alexander Crerar (23 July 1945 - 6 September 1994) professor of geochemistry at Princeton University, New Jersey, USA. He was an expert in environmental geochemistry, ore deposits, and water-rock interactions.
This page provides mineralogical data about Crerarite.
Classification of Crerarite
Approved
Approval Year:
1994
2/C.15-70
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 : 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
2 : SULFIDES
8 : AmXp, with m:p = 1:1
Physical Properties of Crerarite
Optical Data of Crerarite
Type:
Isotropic
Chemical Properties of Crerarite
Formula:
Pt2-x(Bi,Pb)11(S,Se)11
IMA Formula:
(Pt,Pb)Bi3(S,Se)4-x (x = 0.4-0-8)
Common Impurities:
Pd,Fe,Cu,Te
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)°
α = 105.647(1)°, β = 96.780(1)°, γ = 108.390(1)°
Ratio:
a:b:c = 0.996 : 1 : 1.546
Unit Cell V:
1,135.72 ų (Calculated from Unit Cell)
Type Occurrence of Crerarite
Synonyms of Crerarite
Other Language Names for Crerarite
Related Minerals - Nickel-Strunz Grouping
2.LB.05 | Miharaite | Cu4FePbBiS6 | Orth. |
2.LB.30 | Ardaite | Pb19Sb13S35Cl7 | Mon. |
2.LB.30 | Launayite | CuPb10(Sb,As)12S20 | Mon. |
2.LB.30 | Madocite | Pb19(Sb,As)16S43 | Orth. |
2.LB.30 | Playfairite | Pb16(Sb,As)19S44Cl | Mon. |
2.LB.30 | Sorbyite | CuPb9(Sb,As)11S26 | Mon. 2/m : B2/m |
2.LB.30 | Sterryite | Cu(Ag,Cu)3Pb19(Sb,As)22(As-As)S56 | Mon. 2/m |
2.LB.35 | Larosite | (Cu,Ag)21PbBiS13 | Orth. |
2.LB.40 | Petrovicite | Cu3HgPbBiSe5 | Orth. |
2.LB.40 | Mazzettiite | Ag3HgPbSbTe5 | Orth. |
Related Minerals - Dana Grouping (8th Ed.)
2.8.1.1 | Galena | PbS | Iso. m3m (4/m 3 2/m) : Fm3m |
2.8.1.2 | Clausthalite | PbSe | Iso. m3m (4/m 3 2/m) : Fm3m |
2.8.1.3 | Altaite | PbTe | Iso. m3m (4/m 3 2/m) : Fm3m |
2.8.1.4 | Alabandite | MnS | Iso. m3m (4/m 3 2/m) : Fm3m |
2.8.1.7 | Borovskite | Pd3SbTe4 | Iso. |
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:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
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
mindat.org URL:
https://www.mindat.org/min-6891.html
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Localities for Crerarite
Locality List




All localities listed without proper references should be considered as questionable.
Canada | |
| 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 |
| Economic Geology 103 (2008) 1005-1028.; Ames, D. E., McClenaghan, M. B., Averill, S., & Milkereit, B. (2007). Footwall-hosted Cu-PGE (Au, Ag), Sudbury Canada: towards a new exploration vector. Exploration 07, Exploration in the New Millennium, 1013-1017. |
| 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. |