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Ferriakasakaite-(Ce)

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About Ferriakasakaite-(Ce)Hide

09917580014946713471088.jpg
Masahide Akasaka
Formula:
{CaCe}{Fe3+AlMn2+}(Si2O7)(SiO4)O(OH)
Colour:
Dark brown
Hardness:
5 - 5½
Crystal System:
Monoclinic
Name:
Ce-analog of ferriakasakaite, named in honor of Masahide Akasaka (b. 1950), professor at Shimane University, Japan.
Isostructural with:
A monoclinic (P21/m) epidote supergroup mineral.
Ce-analogue of ferriakasakaite-(La).

It is virtually impossible to distinguish between Ferriakasakaite-(Ce) and Manganiakasakaite-(La) by physical properties.

Compare Unnamed (Fe3+-analogue of piemontite).


Classification of Ferriakasakaite-(Ce)Hide

Approved
Approval Year:
2018
First Published:
2019

Physical Properties of Ferriakasakaite-(Ce)Hide

Transparency:
Transparent
Colour:
Dark brown
Streak:
Brown
Hardness:
5 - 5½ on Mohs scale
Comment:
hardness was not measured, only estimated
Tenacity:
Brittle
Fracture:
Irregular/Uneven, Conchoidal

Chemical Properties of Ferriakasakaite-(Ce)Hide

Formula:
{CaCe}{Fe3+AlMn2+}(Si2O7)(SiO4)O(OH)
IMA Formula:
CaCeFe3+AlMn2+(Si2O7)(SiO4)O(OH)

Crystallography of Ferriakasakaite-(Ce)Hide

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
P21/m
Setting:
P21/m
Cell Parameters:
a = 8.9071(5) Å, b = 5.7081(4) Å, c = 10.1250(6) Å
β = 114.151(3)°
Ratio:
a:b:c = 1.56 : 1 : 1.774
Unit Cell V:
469.66 ų

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
4.65Å(mw)
3.519Å(m)
2.911Å(vs)
2.841Å(mw)
2.711Å(ms)
2.616Å(ms)
2.404Å(mw)
2.181Å(mw)

Type Occurrence of Ferriakasakaite-(Ce)Hide

General Appearance of Type Material:
As small homogeneous domains within strongly inhomogeneous prismatic crystals, where other epidote supergroup minerals coexist [manganiandrosite-(Ce), “androsite-(Ce)”, and epidote].
Place of Conservation of Type Material:
Type material is deposited in the mineralogical collections of the Museo di Storia Naturale, Università di Pisa, Via Roma 79, Calci (Pisa), Italy, catalogue number 19903
Empirical Formula of Type Material:
A(1)(Ca0.64Mn2+0.36)A(2)(Ce0.37La0.17Nd0.06Pr0.03Ca0.350.02)M(1)(Fe3+0.61Al0.39)M(2) Al1.00M(3) (Mn2+0.64Mn3+0.33Fe3+0.02Mg0.01) T(1-3) Si3.01O12(OH)
Geological Setting of Type Material:
Mn ore deposit
Associated Minerals at Type Locality:
Reference:
Biagioni, C., Bonazzi, P., Pasero, M., Zaccarini, F., Balestra, C., Bracco, R., Ciriotti, M.E. (2019): Manganiakasakaite-(La) and Ferriakasakaite-(Ce), Two New Epidote Supergroup Minerals from Piedmont, Italy. Minerals, 9, 353

Synonyms of Ferriakasakaite-(Ce)Hide

Relationship of Ferriakasakaite-(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-(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 (Mg-analogue of Ferriallanite-(Ce)){CaCe}{(Fe3+,Al)Al(Mg,Fe2+)}(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

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 Ferriakasakaite-(Ce)Hide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Bonazzi P., Holtstam D., Bindi L., Nysten P., Capitani G. (2009): Multi-analytical approach to solve the puzzle of an allanite-subgroup mineral from Kesebol, Västra Götaland, Sweden. American Mineralogist 94, 121-134.
Biagioni, C., Balestra, C., Pasero, M., Ciriotti, M.E., Bonazzi, P. and Zaccarini, F. (2018) Ferriakasakaite-(Ce), IMA 2018-087. CNMNC Newsletter No. 46, December 2018, page xxxx; Mineralogical Magazine, 82: xxxx–xxxx.
Biagioni, C., Bonazzi, P., Pasero, M., Zaccarini, F., Balestra, C., Bracco, R., Ciriotti, M.E. (2019): Manganiakasakaite-(La) and Ferriakasakaite-(Ce), Two New Epidote Supergroup Minerals from Piedmont, Italy. Minerals, 9, 353; https://doi.org/10.3390/min9060353

Internet Links for Ferriakasakaite-(Ce)Hide

Localities for Ferriakasakaite-(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.
Italy (TL)
 
  • Piedmont
    • Cuneo Province
      • Bellino
Biagioni, C., Balestra, C., Pasero, M., Ciriotti, M.E., Bonazzi, P. and Zaccarini, F. (2018) Ferriakasakaite-(Ce), IMA 2018-087. CNMNC Newsletter No. 46, December 2018, page xxxx; Mineralogical Magazine, 82: xxxx–xxxx. ; Biagioni, C., Bonazzi, P., Pasero, M., Zaccarini, F., Balestra, C., Bracco, R., Ciriotti, M.E. (2019): Manganiakasakaite-(La) and Ferriakasakaite-(Ce), Two New Epidote Supergroup Minerals from Piedmont, Italy. Minerals, 9, 353; https://doi.org/10.3390/min9060353
Sweden
 
  • Västra Götaland County
    • Åmål
      • Strandhem ore field
Bonazzi P., Holtstam D., Bindi L., Nysten P., Capitani G. (2009): Multi-analytical approach to solve the puzzle of an allanite-subgroup mineral from Kesebol, Västra Götaland, Sweden. Am. Mineral. 94, 121-134.
 
Mineral and/or Locality  
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