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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.


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Classification of KeiliteHide

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 KeiliteHide

Metallic
Transparency:
Opaque

Optical Data of KeiliteHide

Type:
Isotropic
Colour in reflected light:
grey

Chemical Properties of KeiliteHide

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

Crystallography of KeiliteHide

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 DiffractionHide

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 KeiliteHide

Geological Setting of Type Material:
enstatite chondrite

Synonyms of KeiliteHide

Other Language Names for KeiliteHide

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

Common AssociatesHide

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 GroupingHide

2.CD.05Herzenbergite(Sn,Pb)SnS2Orth.
2.CD.05Teallite(Pb,Sn)SnS2Orth. mmm (2/m 2/m 2/m) : Pnma
2.CD.10AlabanditeMnSIso. m3m (4/m 3 2/m) : Fm3m
2.CD.10AltaitePbTeIso. m3m (4/m 3 2/m) : Fm3m
2.CD.10ClausthalitePbSeIso. m3m (4/m 3 2/m) : Fm3m
2.CD.10GalenaPbSIso. m3m (4/m 3 2/m) : Fm3m
2.CD.10Niningerite(Mg,Fe2+,Mn2+)SIso.
2.CD.10Oldhamite(Ca,Mg)SIso. m3m (4/m 3 2/m) : Fm3m
2.CD.15aCinnabarHgSTrig. 3 2 : P31 2 1
2.CD.15bHypercinnabarHgSHex.

Other InformationHide

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 KeiliteHide

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 KeiliteHide

Localities for KeiliteHide

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.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
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
      • Saint-Jory
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
    • Sargodha District
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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