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Crystal System:
A polytype of Pyrrhotite

The crystal structure of a 5C pyrrhotite from Copper Cliff Mine, Sudbury, Canada, was described by de Villiers et al. (2009), as orthorhombic, space group Cmce. Later redetermined as monoclinic, space group P21, by Liles & de Villiers (2012).

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Chemical Properties of Pyrrhotite-5CHide


Crystallography of Pyrrhotite-5CHide

Crystal System:
Class (H-M):
2 - Sphenoidal
Space Group:
Cell Parameters:
a = 6.8673(4) Å, b = 28.6536(9) Å, c = 6.8592(4) Å
β = 119.975(7)°
a:b:c = 0.24 : 1 : 0.239
Unit Cell V:
1169.18 ų
Refinement data from sample from Bodenmais (Liles & de Villiers 2012)

X-Ray Powder DiffractionHide

Powder Diffraction Data:
2.985 (42)
2.647 (42)
2.066 (99)
1.723 (38)
1.323 (10)
Calculated from Cmca structure (AMCSD); only strongest peaks listed here. Powder pattern very similar to that of pyrrhotite 6C.

Synonyms of Pyrrhotite-5CHide

Other Language Names for Pyrrhotite-5CHide

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 Pyrrhotite-5CHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
de Villiers, J.P.R., Liles, D.C. and Becker, M. (2009): The crystal structure of a naturally occurring 5C pyrrhotite from Sudbury, its chemistry, and vacancy distribution. American Mineralogist 94, 1405-1410.
Elliot, A.D. (2010): Structure of pyrrhotite 5C (Fe9S10). Acta crystallographica B66, 271-279.
Liles, D.C. and de Villiers, J.P.R. (2012): Redetermination of the structure of 5C pyrrhotite at low temperature and at room temperature. American Mineralogist 97, 257-261.

Internet Links for Pyrrhotite-5CHide

Localities for Pyrrhotite-5CHide

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.
  • Lower Austria
    • Waldviertel
      • Brunn an der Wild
        • Dietmannsdorf an der Wild
Kolitsch, U. & Schillhammer, H. (2018): 2094) Aragonit, Chromit, Dolomit, Gips, Jarosit, Magnetit, Polydymit, Pyrop, Pyrrhotin-5C, ein Talnakhit-Gruppenmineral(?) und ein Nickelsilikat aus dem Serpentinitbruch bei Dietmannsdorf an der Wild im Waldviertel, Niederösterreich. Pp. 236-238 in Walter, F. et al. (2018): Neue Mineralfunde aus Österreich LXVII. Carinthia II, 208./128., 185-254.
  • Ontario
    • Sudbury District
      • McKim Township
Johan P.R. de Villiers, David C. Liles, and Megan Becker (2009): The crystal structure of a naturally occurring 5C pyrrhotite from Sudbury, its chemistry, and vacancy distribution. American Mineralogist 94, 1405-1410.
  • Bavaria
    • Lower Bavaria
      • Bodenmais
Lilies, D. C., Villiers, J. P. R. D. (2012): Redetermination of the structure of 5C pyrrhotite at low temperature and at room temperature. American Mineralogist 97, 257-261
  • Murmansk Oblast
    • Kovdor Massif
Gregory Ivanyuk, Andrei Kalashnikov, Julia Mikhailova, Yakov Pakhomovsky, Nataly Konoplyova, Victor Yakovenchuk, Ayya Bazai (2018) 3D mineralogical mapping of the Kovdor phoscorite-carbonatite pipe. in abstracts of the 22nd IMA Meeting Melbourne p101
  • Uri
    • Reuss Valley
      • Amsteg
Engel, R.F., Peacor, D.R., Kelly, W.C. (1978) A new 5C pyrrhotite. American Mineralogist, 63, 1274-1277.
Mineral and/or Locality  
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