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Lepidomelane

A variety of Mica Group
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About LepidomelaneHide

A variety of Mica Group

General term for dark Fe-rich micas that have not been sufficiently well analyzed to determine the species. Generally a biotite group mineral and can include annite, tetra-ferri-annite, siderophyllite, and perhaps other species too.


Unique IdentifiersHide

Mindat ID:
8014 (as Lepidomelane)
6728 (as Mica Group)
Long-form identifier:
mindat:1:1:8014:5 (as Lepidomelane)
mindat:1:1:6728:3 (as Mica Group)
GUID
(UUID V4):
5fd48e18-528c-4a9c-8257-f45c76d2d675 (as Lepidomelane)
fb8e342f-a50f-45b5-b7e0-55b00642bdbf (as Mica Group)

Varieties of LepidomelaneHide

Fluor-lepidomelaneA Fluorine-rich variety of lepidomelane (generally a dark mica of the biotite Group).

Common AssociatesHide

Associated Minerals Based on Photo Data:
2 photos of Lepidomelane associated with ZirconZr(SiO4)
2 photos of Lepidomelane associated with NephelineNa3K(Al4Si4O16)
1 photo of Lepidomelane associated with BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
1 photo of Lepidomelane associated with CalciteCaCO3
1 photo of Lepidomelane associated with Carbonatite
1 photo of Lepidomelane associated with Hornblende Root Name Group◻Ca2(Z2+4Z3+)(AlSi7O22)(OH,F,Cl)2

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.

Lepidomelane in petrologyHide

Internet Links for LepidomelaneHide

References for LepidomelaneHide

Reference List:

Localities for LepidomelaneHide

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 references and 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 (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.
Brazil
 
  • Bahia
    • Itabuna
Leandro et al. (2022)
Burundi
 
  • Kayanza Province
Van den Haute et al. (Burundi) +6 other references
Canada
 
  • Ontario
    • Hastings County
      • Faraday Township
www.geologyontario.mndm.gov.on.ca (n.d.)
DR Congo
 
  • South Kivu
    • Kalehe Territory
implications sur l'évolution magmatique et structurale. Geologische Rundschau (1) +7 other references
France
 
  • Auvergne-Rhône-Alpes
    • Allier
      • Vichy
        • Laprugne
Lerouge et al. (2017)
  • Brittany
    • Morbihan
      • Lorient
        • Groix
          • Pivisy
Chauris (2014)
  • Corsica
    • Corse-du-Sud
      • Ajaccio
        • Tolla
Bonin et al. (1972) +3 other references
  • Occitanie
    • Haute-Garonne
      • Saint-Gaudens
        • Melles
Cugerone (2019)
  • Pays de la Loire
    • Loire-Atlantique
      • Nantes
        • Nantes
          • Chantenay
Baret (1905)
Japan
 
  • Fukushima Prefecture
    • Ishikawa District
      • Ishikawa town (Ishikawa-machi)
        • Nekonaki
Koji Koseki & Hanzo Gohara (1956)
Koji Koseki & Hanzo Gohara (1956)
Koji Koseki & Hanzo Gohara (1956)
Kazakhstan
 
  • Akmola Region
    • Zerendi District
Kogaro et al (1995)
Norway
 
  • Vestfold
    • Larvik
      • Store Arøya (Arøy)
Larsen et al. (1981)
      • Tvedalen
        • Tuften
Åsheim (1988)
    • Sandefjord
      • Vesterøya
Berge et al. (1980)
  • Vestfold og Telemark
    • Sandefjord
Berge et al. (1980)
Russia
 
  • Chelyabinsk Oblast
    • Kaslinsky District
Filina et al. (2019)
  • Irkutsk Oblast
Vladykin et al. (2008)
  • Murmansk Oblast
Kogarko et al. (1995)
    • Lovozersky District
      • Keivy Mountains
Macdonald et al. (2022)
  • Sakha
    • Polar Yakutia
      • Cherskii range system
        • Selennyakh range
          • Tommot river
Trunilina et al. (2022)
Spain
 
  • Galicia
    • Pontevedra
      • Gondomar
        • Vincios
Floor +4 other references
USA
 
  • Maine
    • Kennebec County
      • Litchfield
West et al. (2016)
 
Mineral and/or Locality  
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