ALMOST THERE!. Help us with a final push needed to keep running. Click here to help.
Catawiki are hosting a benefit auction. All proceeds to! BID NOW
Log InRegister
Home PageAbout MindatThe Mindat ManualHistory of MindatCopyright StatusWho We AreContact UsAdvertise on Mindat
Donate to MindatCorporate SponsorshipSponsor a PageSponsored PagesMindat AdvertisersAdvertise on Mindat
Learning CenterWhat is a mineral?The most common minerals on earthInformation for EducatorsMindat Articles
Minerals by PropertiesMinerals by ChemistryAdvanced Locality SearchRandom MineralRandom LocalitySearch by minIDLocalities Near MeSearch ArticlesSearch GlossaryMore Search Options
Search For:
Mineral Name:
Locality Name:
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
Mining CompaniesStatisticsThe ElementsUsersBooks & MagazinesMineral MuseumsMineral Shows & EventsThe Mindat DirectoryDevice Settings
Photo SearchPhoto GalleriesNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day Gallery


This page is currently not sponsored. Click here to sponsor this page.
Crystal System:
The first germanide mineral to be discovered and approved. Unique combination of elements (among approved species). New structure type.

Hide all sections | Show all sections

Classification of MarathoniteHide

Approved, Pending publication
Approval Year:

Pronounciation of MarathoniteHide

PlayRecorded byCountry
Jolyon & Katya RalphUnited Kingdom

Chemical Properties of MarathoniteHide


Crystallography of MarathoniteHide

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

X-Ray Powder DiffractionHide

Powder Diffraction Data:

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 is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization.
Copyright © and the Hudson Institute of Mineralogy 1993-2018, except where stated. relies on the contributions of thousands of members and supporters.
Privacy Policy - Terms & Conditions - Contact Us Current server date and time: December 12, 2018 00:51:44 Page generated: October 20, 2018 22:19:43
Go to top of page