Åskagenite Group
A group of related mineral species
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About Åskagenite Group
Formula:
(A12+REE3+)(M13+M23+M33+)O[Si2O7][SiO4]O
Note that this group contains no OH.
Member of:
This page provides mineralogical data about Åskagenite Group.
Name Encoding
ASCII-7:
Askagenite Group
Unique Identifiers
Mindat ID:
46225
Long-form identifier:
mindat:1:1:46225:1
IMA Classification of Åskagenite Group
IMA status notes:
IMA Approved Group Name
Approval history:
IMA Proposal 09A (Armbruster et al. (2006), Mills et al. 2009)
Chemistry of Åskagenite Group
Mindat Formula:
(A12+REE3+)(M13+M23+M33+)O[Si2O7][SiO4]O
Note that this group contains no OH.
Note that this group contains no OH.
Relationship of Åskagenite Group to other Species
Member of:
Other Members of Epidote Supergroup:
| Allanite Group | (A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH) | |
| Dollaseite Group | (A12+REE3+)(M12+M23+M32+)F[Si2O7][SiO4](OH) | |
| Epidote Group | (A12+A22+)(M13+M23+M33+)O[Si2O7][SiO4](OH) | |
| 'Unnamed ([Ca-Ce]+[Al-Al-Mn] member of the Epidote Supergroup)' | (CaCe)(AlAlMn2+)O[Si2O7][SiO4](OH) or (CaCe)(AlAlMn3+)O[Si2O7][SiO4]O | |
| 'Unnamed ([Ca-Ce]+[Fe3-Cr-Fe] member of the Epidote Supergroup)' | (CaCe)(Fe3+Cr3+Fe2+)[SiO4][Si2O7]O(OH) or (CaCe)(Fe3+Cr3+Fe3+)[SiO4][Si2O7]OO | |
| 'Unnamed ([Ca-La]+[Al-Al-Mn] member of the Epidote Supergroup)' | (CaLa)(AlAlMn2+)O[Si2O7][SiO4](OH) or (CaLa)(AlAlMn3+)O[Si2O7][SiO4]O | |
| 'Unnamed ([Ca-La]+[Fe3-Al-Mn] member of the Epidote Supergroup)' | (CaLa)(Fe3+AlMn2+)O[Si2O7][SiO4](OH) or (CaLa)(Fe3+AlMn3+)O[Si2O7][SiO4]O | |
| 'Unnamed ([Mn2-Ce]+[Al-Al-Mn] member of the Epidote Supergroup)' | (Mn2+Ce)(AlAlMn2+)O[Si2O7][SiO4](OH) or (Mn2+Ce)(AlAlMn3+)O[Si2O7][SiO4]O | |
| 'Unnamed ([Mn2-Nd]+[Al-Al-Mn] member of the Epidote Supergroup)' | (Mn2+Nd)(AlAlMn2+)O[Si2O7][SiO4](OH) or (Mn2+Nd)(AlAlMn3+)O[Si2O7][SiO4]O |
Åskagenite Group Members:
| Åskagenite-(Nd) | (Mn2+Nd)(AlAlFe3+)O[Si2O7][SiO4]O | Mon. 2/m : P21/m |
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.
Internet Links for Åskagenite Group
mindat.org URL:
https://www.mindat.org/min-46225.html
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Please feel free to link to this page.
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Mineral Dealers:
References for Åskagenite Group
Reference List:
Armbruster, Thomas, Bonazzi, Paola, Akasaka, Masahide, Bermanec, Vladimir, Chopin, Christian, Gieré, Reto, Heuss-Assbichler, Soraya, Liebscher, Axel, Menchetti, Silvio, Pan, Yuanming, Pasero, Marco (2006) Recommended nomenclature of epidote-group minerals. European Journal of Mineralogy, 18 (5) 551-567 doi:10.1127/0935-1221/2006/0018-0551
Localities for Åskagenite Group
Showing 1 localities.
symbol to view information about a locality.
The 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).
All localities listed without proper references should be considered as questionable.
Sweden | |
| [Åskagenite-(Nd)] Chukanov et al. (2010) |
Åskagen Quarry, Persberg ore district, Filipstad, Värmland County, Sweden