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Keilite

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Klaus Keil
Formula:
(Fe2+,Mg)S
Lustre:
Metallic
Crystal System:
Isometric
Name:
Named after Klaus Keil, Professor at the University of Hawaii, Honolulu, Hawaii, USA.

The iron analogue of Niningerite.


Classification of Keilite

Approved
Approval Year:
2001
2.CD.10

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
C : Metal Sulfides, M: S = 1: 1 (and similar)
D : With Sn, Pb, Hg, etc.
Dana 7th ed.:
2.8.1.9

Physical Properties of Keilite

Metallic
Transparency:
Opaque

Optical Data of Keilite

Type:
Isotropic
Colour in reflected light:
grey

Chemical Properties of Keilite

Formula:
(Fe2+,Mg)S
IMA Formula:
FeS

Crystallography of Keilite

Crystal System:
Isometric
Class (H-M):
m3m (4/m 3 2/m) - Hexoctahedral
Space Group:
Fm3m
Cell Parameters:
a = 5.17 Å
Unit Cell V:
138.19 ų (Calculated from Unit Cell)

X-Ray Powder Diffraction

Powder Diffraction Data:
d-spacingIntensity
2.985 (8)
2.585 (100)
1.828 (60)
1.492 (15)
1.292 (7)
1.156 (13)
1.055 (10)

Type Occurrence of Keilite

Geological Setting of Type Material:
enstatite chondrite

Synonyms of Keilite

Other Language Names for Keilite

German:Keilit
Russian:Кейлит
Simplified Chinese:硫镁铁矿
Traditional Chinese:硫鎂鐵礦

Common Associates

Associated Minerals Based on Photo Data:
Kamacite1 photo of Keilite associated with Kamacite on mindat.org.
Enstatite1 photo of Keilite associated with Enstatite on mindat.org.

Related Minerals - Nickel-Strunz Grouping

2.CD.05Herzenbergite(Sn,Pb)SnS2
2.CD.05Teallite(Pb,Sn)SnS2
2.CD.10AlabanditeMnS
2.CD.10AltaitePbTe
2.CD.10ClausthalitePbSe
2.CD.10GalenaPbS
2.CD.10Niningerite(Mg,Fe2+,Mn2+)S
2.CD.10Oldhamite(Ca,Mg)S
2.CD.15aCinnabarHgS
2.CD.15bHypercinnabarHgS

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 Keilite

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Shimizu, M., Yoshida, H., Mandarino, J.A. (2002): The new mineral species keilite, (Fe,Mg)S, the iron-dominant analogue of niningerite. Canadian Mineralogist 40, 1687-1692.
Canadian Mineralogist (2003): 41: 814.

Internet Links for Keilite

mindat.org URL:
https://www.mindat.org/min-27196.html
Please feel free to link to this page.

Localities for Keilite

This 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.
Antarctica
 
  • Eastern Antarctica
    • Transantarctic Mts
      • Pecora Escarpment
        • LaPaz Ice Field
Izawa, M. R. M., Flemming, R. L., Banerjee, N. R. & McCausland, P. J. A. (2011) Micro-X-ray diffraction assessment of shock stage in enstatite chondrites: Meteoritics & Planetary Science 46 (5): 638-651. (May 2011)
Canada (TL)
 
  • Alberta
    • Abee
Shimizu M, Yoshida H, Mandarino J A (2002) The new mineral species keilite, (Fe,Mg)S, the iron-dominant analogue of niningerite, The Canadian Mineralogist 40, 1687-1692
France
 
  • Occitanie
    • Haute-Garonne
Shimizu M, Yoshida H, Mandarino J A (2002) The new mineral species keilite, (Fe,Mg)S, the iron-dominant analogue of niningerite, The Canadian Mineralogist 40, 1687-1692
Pakistan
 
  • Punjab
Shimizu M, Yoshida H, Mandarino J A (2002) The new mineral species keilite, (Fe,Mg)S, the iron-dominant analogue of niningerite, The Canadian Mineralogist 40, 1687-1692
Poland
 
  • Lubelskie
    • Zamość
Przylibski, T. A., Jakubowski, T., Karwowski, L., Kryza, R. & Uszczek, K. (2011) New Data on Graphite from the Zaklodzie Enstatite Achondrite (Abstract id. 5198). Meteoritics & Planetary Science 46, Supplement: A193. (July 2011); Ma, C., Beckett, J. R. & Rossman, G. R. (2012) Discovery of Buseckite, (Fe,Zn,Mn)S, a New Mineral in Zaklodzie, an Ungrouped Enstatite-Rich Achondrite. Lunar and Planetary Science Conference XLIII. LPI Contribution No. 1659, id.1520. (March 2012)
Sudan
 
  • Nar an Nil
Addi Bischoff, Mariam Horstmann, Andreas Pack, Matthias Laubstein & Siegfried Haberer (2010). Asteroid 2008 TC3—Almahata Sitta: A spectacular breccia containing many different ureilitic and chondritic lithologies. Meteoritics & Planetary Science 45, (#10-11), 1638-1657-1667. (Oct-Nov 2010).
Mineral and/or Locality  
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