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Marathonite

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Formula:
Pd25Ge9
Crystal System:
Trigonal
The first germanide mineral to be discovered and approved. Unique combination of elements (among approved species). New structure type.


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Classification of MarathoniteHide

Approved, Pending publication
Approval Year:
2016

Pronounciation of MarathoniteHide

Pronounciation:
PlayRecorded byCountry
Jolyon & Katya RalphUnited Kingdom

Chemical Properties of MarathoniteHide

Formula:
Pd25Ge9

Crystallography of MarathoniteHide

Crystal System:
Trigonal
Class (H-M):
3 - Pyramidal
Space Group:
P3
Cell Parameters:
a = 7.391(1) Å, c = 10.477(2) Å
Ratio:
a:c = 1 : 1.418
Unit Cell V:
495.65 ų (Calculated from Unit Cell)

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
2.748(10)
2.436(10)
2.374(29)
2.148(100)
1.759(10)
1.360(13)
1.239(14)
1.207(10)

Type Occurrence of MarathoniteHide

Place of Conservation of Type Material:
Mineralogical collections of the Canadian Museum of Nature, Gatineau, Quebec, Canada (catalogue number CMNMC 87179)

Synonyms of MarathoniteHide

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 MarathoniteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
McDonald, A.M., Ames, D.E., Ross, K.C., Kjarsgaard, I.M., Good, D.J. (2016): Marathonite, IMA 2016-080. CNMNC Newsletter No. 34, December 2016, page 1320; Mineralogical Magazine: 80: 1315–1321

Internet Links for MarathoniteHide

Localities for MarathoniteHide

ⓘ - 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.
Canada (TL)
 
  • Ontario
    • Thunder Bay District
      • Coldwell complex
McDonald, A.M., Ames, D.E., Ross, K.C., Kjarsgaard, I.M. and Good, D.J. (2016) Marathonite, IMA 2016-080. CNMNC Newsletter No. 34, December 2016, page 1320; Mineralogical Magazine, 80, 1315–1321.
Mineral and/or Locality  
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