Ferriallanite-(Ce) (original) (raw)
A valid IMA mineral species
About Ferriallanite-(Ce)Hide
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Formula:
(CaCe)(Fe3+AlFe2+)O[Si2O7][SiO4](OH)
Crystal System:
Monoclinic
Name:
Named for the relation to allanite-(Ce).
Unique IdentifiersHide
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Long-form identifier:
mindat:1:1:11433:6
7c95b11c-ae27-4849-9bab-a6aab0f976a0
IMA Classification of Ferriallanite-(Ce)Hide
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IMA Formula:
CaCe(Fe3+AlFe2+)[Si2O7][SiO4]O(OH)
Classification of Ferriallanite-(Ce)Hide
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9.BG.05b
9 : SILICATES (Germanates)
B : Sorosilicates
G : Sorosilicates with mixed SiO4 and Si2O7 groups; cations in octahedral [6] and greater coordination
Mineral SymbolsHide
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As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
Please only use the official IMA–CNMNC symbol. Older variants are listed for historical use only.
| Symbol | Source | Reference |
|---|---|---|
| Faln-Ce | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
| Faln | The Canadian Mineralogist (2019) | The Canadian Mineralogist (2019) The Canadian Mineralogist list of symbols for rock- and ore-forming minerals (December 30, 2019). download |
Physical Properties of Ferriallanite-(Ce)Hide
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Transparency:
Translucent, Opaque
Fracture:
Irregular/Uneven, Conchoidal
Density:
4.22 g/cm3 (Measured) 4.16 g/cm3 (Calculated)
Optical Data of Ferriallanite-(Ce)Hide
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RI values:
_n_α = 1.825 _n_β = 1.855 _n_γ = 1.880
δ = 0.055
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Chemistry of Ferriallanite-(Ce)Hide
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Mindat Formula:
(CaCe)(Fe3+AlFe2+)O[Si2O7][SiO4](OH)
Crystallography of Ferriallanite-(Ce)Hide
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Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Cell Parameters:
a = 8.962 Å, b = 5.836 Å, c = 10.182 Å
β = 115.02°
Ratio:
a:b:c = 1.536 : 1 : 1.745
Crystal StructureHide
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| ID | Species | Reference | Link | Year | Locality | Pressure (GPa) | Temp (K) |
|---|---|---|---|---|---|---|---|
| 0005860 | Ferriallanite-(Ce) | Kartashov P M, Ferraris G, Ivaldi G, Sokolova E V, McCammon C A (2003) Ferriallanite-(Ce), CaCeFeAlFe(SiO4)(Si2O7)O(OH), a new member of the epidote group: Description, X-ray and Mossbauer study: Errata The Canadian Mineralogist 41 829-830 |  |
2003 | 0 | 293 |
CIF Raw Data - click here to close
Geological EnvironmentHide
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Type Occurrence of Ferriallanite-(Ce)Hide
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General Appearance of Type Material:
aggregates of subhedral grains up to 2 mm in size
Place of Conservation of Type Material:
Type material TsH–9026 is deposited in the Fersman Mineralogical Museum, Moscow, Russia.
Geological Setting of Type Material:
in an alkaline granitic pegmatite
Associated Minerals at Type Locality:
Synonyms of Ferriallanite-(Ce)Hide
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Other Language Names for Ferriallanite-(Ce)Hide
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Relationship of Ferriallanite-(Ce) to other SpeciesHide
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Other Members of this group:
Common AssociatesHide
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Associated Minerals Based on Photo Data:
Related Minerals - Strunz-mindat GroupingHide
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Other InformationHide
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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 Ferriallanite-(Ce)Hide
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References for Ferriallanite-(Ce)Hide
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Reference List:
Sobek, Kamil, Losos, Zdeněk, Škoda, Radek, Holá, Markéta, Nasdala, Lutz (2023) Crystal chemistry of ferriallanite-(Ce) from Nya Bastnäs, Sweden: Chemical and spectroscopic study. Mineralogy and Petrology, 117 (2) 345-357 doi:10.1007/s00710-023-00829-y
Localities for Ferriallanite-(Ce)Hide
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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
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- 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.