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Unnamed (Mg-analogue of Ferriallanite-(Ce))

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About Unnamed (Mg-analogue of Ferriallanite-(Ce))Hide

Formula:
{CaCe}{(Fe3+,Al)Al(Mg,Fe2+)}(Si2O7)(SiO4)O(OH)
Isostructural with:
New unnamed mineral species in the Allanite Subgroup of the epidote group, closely related with Ferriallanite-(Ce) and Dissakisite-(Ce).
Mentioned by Kjell Gatedal as "ferriallanite-(Ce)" from Rödbergsgruvan, Nora, Västmanland, Sweden.

Apparently the Mg-analogue of Unnamed (Mn-analogue of ferriallanite-(Ce)) recently decribed by Bonazzi et al. (2009).



Chemical Properties of Unnamed (Mg-analogue of Ferriallanite-(Ce))Hide

Formula:
{CaCe}{(Fe3+,Al)Al(Mg,Fe2+)}(Si2O7)(SiO4)O(OH)
Idealised Formula:
{CaCe}{Fe3+AlMg}(Si2O7)(SiO4)(OH)O

Relationship of Unnamed (Mg-analogue of Ferriallanite-(Ce)) to other SpeciesHide

Other Members of this group:
Allanite-(Ce){CaCe}{Al2Fe2+}(Si2O7)(SiO4)O(OH)Mon. 2/m : P21/m
Allanite-(La){CaLa}{Al2Fe2+}(Si2O7)(SiO4)O(OH)Mon. 2/m : P21/m
Allanite-(Nd){CaNd}{Al2Fe2+}(Si2O7)(SiO4)O(OH)Mon. 2/m : P21/m
Allanite-(Y){CaY}{Al2Fe2+}(Si2O7)(SiO4)O(OH)Mon.
Androsite-(Ce){Mn2+REE}{AlAlMn2+}(SiO4)(Si2O7)O(OH)
Dissakisite-(Ce){CaCe}{Al2Mg}(Si2O7)(SiO4)O(OH)Mon. 2/m : P21/m
Dissakisite-(La){CaLa}{Al2Mg}(Si2O7)(SiO4)O(OH)Mon. 2/m : P21/m
Ferriakasakaite-(Ce) {CaCe}{Fe3+AlMn2+}(Si2O7)(SiO4)O(OH)Mon. 2/m : P21/m
Ferriakasakaite-(La){CaLa}{Fe3+AlMn2+}(Si2O7)(SiO4)O(OH)Mon. 2/m : P21/m
Ferriallanite-(Ce){CaCe}{Fe3+AlFe2+}(Si2O7)(SiO4)O(OH)Mon. 2/m : P21/m
Ferriallanite-(La){CaLa}{Fe3+AlFe2+}(Si2O7)(SiO4)O(OH)Mon. 2/m : P21/m
Ferriandrosite-(Ce){Mn2+REE}{Fe3+AlMn2+}(SiO4)(Si2O7)O(OH)
Ferriandrosite-(La){MnLa}{Fe3+AlMn2+}(Si2O7)(SiO4)O(OH)Mon. 2/m : P21/m
Manganiakasakaite-(La){CaLa}{Mn3+AlMn2+}(Si2O7)(SiO4)O(OH)Mon. 2/m : P21/m
Manganiandrosite-(Ce){Mn2+Ce}{Mn3+AlMn2+}(Si2O7)(SiO4)O(OH)Mon. 2/m : P21/m
Manganiandrosite-(La){Mn2+La}{Mn3+AlMn2+}(Si2O7)(SiO4)O(OH)Mon.
Uedaite-(Ce){Mn2+Ce}{Al2Fe2+}(Si2O7)(SiO4)O(OH)Mon. 2/m : P21/m
UM1989-32-SiO:AlCaFeHREE(Ca0.50.5)(Ce,La,Nd)Fe3+Al2(Si2O7)(SiO4)O(OH)
UM1994-25-SiO:AlCaFeHREEV{CaREE}{V3+AlFe2+}(SiO4)(Si2O7)O(OH)
Unnamed (Ce- and Mn-analogue of Ferriakasakaite-(La)){Ca,(Ce,La,Nd),Mn2+}2(Mn3+,Fe3+,Al)Al(Mn2+,Mg)(Si2O7)(SiO4)O(OH)
Unnamed (Mn-analogue of Ferriallanite-(Ce)){CaCe}{Fe3+AlMn2+}(Si2O7)(SiO4)O(OH)
Vanadoallanite-(La){CaLa}{V3+AlFe2+}(Si2O7)(SiO4)O(OH) Mon. 2/m : P21/m
Vanadoandrosite-(Ce){Mn2+Ce}{V3+AlMn2+}(Si2O7)(SiO4)O(OH)Mon. 2/m : P21/m

Common AssociatesHide

Associated Minerals Based on Photo Data:
2 photos of Unnamed (Mg-analogue of Ferriallanite-(Ce)) associated with Allanite-(Ce){CaCe}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
2 photos of Unnamed (Mg-analogue of Ferriallanite-(Ce)) associated with Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)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.

References for Unnamed (Mg-analogue of Ferriallanite-(Ce))Hide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Pavel Kartashov data
Paola Bonazzi, Dan Holtstam, Luca Bindi, Per Nysten, and GianCarlo Capitani (2009): Multi-analytical approach to solve the puzzle of an allanite-subgroup mineral from Kesebol, Västra Götaland, Sweden. Am. Mineral. 94, 121-134.

Internet Links for Unnamed (Mg-analogue of Ferriallanite-(Ce))Hide

Localities for Unnamed (Mg-analogue of Ferriallanite-(Ce))Hide

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 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.
Sweden
 
  • Örebro County
    • Nora
      • Rödberg Mines
Pavel M. Kartashov analytical data, material of Kjell Gatedal
 
矿物 and/or 产地  
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