Lepidomelane
A variety of Mica Group
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About Lepidomelane
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.
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 Identifiers
Mindat ID:
8014 (as Lepidomelane)
6728 (as Mica Group)
6728 (as Mica Group)
Long-form identifier:
mindat:1:1:8014:5 (as Lepidomelane)
mindat:1:1:6728:3 (as Mica Group)
mindat:1:1:6728:3 (as Mica Group)
GUID
(UUID V4):
(UUID V4):
5fd48e18-528c-4a9c-8257-f45c76d2d675 (as Lepidomelane)
fb8e342f-a50f-45b5-b7e0-55b00642bdbf (as Mica Group)
fb8e342f-a50f-45b5-b7e0-55b00642bdbf (as Mica Group)
Varieties of Lepidomelane
Fluor-lepidomelane | A Fluorine-rich variety of lepidomelane (generally a dark mica of the biotite Group). |
Common Associates
Associated Minerals Based on Photo Data:
2 photos of Lepidomelane associated with Zircon | Zr(SiO4) |
2 photos of Lepidomelane associated with Nepheline | Na3K(Al4Si4O16) |
1 photo of Lepidomelane associated with Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
1 photo of Lepidomelane associated with Calcite | CaCO3 |
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 Information
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 petrology
An essential component of rock names highlighted in red, an accessory component in rock names highlighted in green.
Internet Links for Lepidomelane
mindat.org URL:
https://www.mindat.org/min-8014.html
Please feel free to link to this page.
Please feel free to link to this page.
Search Engines:
Mineral Dealers:
References for Lepidomelane
Reference List:
Localities for Lepidomelane
Locality List
- 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.
All localities listed without proper references should be considered as questionable.
Brazil | |
| Leandro et al. (2022) |
Burundi | |
| Van den Haute et al. (Burundi) +6 other references |
Canada | |
| www.geologyontario.mndm.gov.on.ca (n.d.) |
DR Congo | |
| implications sur l'évolution magmatique et structurale. Geologische Rundschau (1) +7 other references |
France | |
| Lerouge et al. (2017) |
| Chauris (2014) |
| Bonin et al. (1972) +3 other references |
| Cugerone (2019) |
| Baret (1905) |
Japan | |
| Koji Koseki & Hanzo Gohara (1956) |
Koji Koseki & Hanzo Gohara (1956) | |
Koji Koseki & Hanzo Gohara (1956) | |
Kazakhstan | |
| Kogaro et al (1995) |
Norway | |
| Larsen et al. (1981) |
| Åsheim (1988) |
| Berge et al. (1980) |
| Berge et al. (1980) |
Russia | |
| Filina et al. (2019) |
| Vladykin et al. (2008) |
| Kogarko et al. (1995) |
| Macdonald et al. (2022) |
| Trunilina et al. (2022) |
Spain | |
| Floor +4 other references |
USA | |
| West et al. (2016) |
Silver Crater Mine, Faraday Township, Hastings County, Ontario, Canada