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Ferriakasakaite-(La)

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Masahide Akasaka
Formula:
{CaLa}{Fe3+AlMn2+}(Si2O7)(SiO4)O(OH)
Crystal System:
Monoclinic
Name:
Named in 2014 by Mariko Nagashima, D. Nishio-Hamane, N. Tomita, T. Minakawa, and S. Inaba in honor of Masahide Akasaka (b. 1950), professor at Shimane University, Japan, for "his outstanding contributions to mineralogy, especially to the study of rock-forming minerals occurring in Mn–Fe ore deposits and the natural and synthetic epidote-supergroup minerals." The name include a prefix and a suffix indicating constituent elements according to the epidote-supergroup nomenclature.
Allanite Group of the Epidote Supergroup. Ferriakasakaite-(La) has a new combination of dominant cations at A1(Ca) and M3(Mn2+), which are the key sites to determine a root name for epidote-supergroup minerals.


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Classification of Ferriakasakaite-(La)Hide

Approved
Approval Year:
2013
First Published:
2015

Chemical Properties of Ferriakasakaite-(La)Hide

Formula:
{CaLa}{Fe3+AlMn2+}(Si2O7)(SiO4)O(OH)
IMA Formula:
CaLaFe3+AlMn2+(Si2O7)(SiO4)O(OH)
Idealised Formula:
A1CaA2LaM1Fe3+M2AlM3Mn2+(SiO4)(Si2O7)O(OH)

Crystallography of Ferriakasakaite-(La)Hide

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
P21/m
Setting:
P21/m
Cell Parameters:
a = 8.8733(2) Å, b = 5.7415(1) Å, c = 10.0805(3) Å
β = 113.845(2)°
Ratio:
a:b:c = 1.545 : 1 : 1.756
Unit Cell V:
469.73 ų

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
9.220(26)
3.509(47)
2.899(100)
2.871(40)
2.710(35)
2.706(35)
2.614(53)
2.573(26)
Comments:
From Type Description.

Type Occurrence of Ferriakasakaite-(La)Hide

Place of Conservation of Type Material:
Type material is deposited in the collections of the National Museum of Nature and Science, Tsukuba, Japan, specimen number NSM M-43919
Geological Setting of Type Material:
In tephroite ± calcite veinlets cutting a stratiform ferromanganese deposit.
Associated Minerals at Type Locality:

Synonyms of Ferriakasakaite-(La)Hide

Other Language Names for Ferriakasakaite-(La)Hide

Relationship of Ferriakasakaite-(La) 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
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)CaLaMn3+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)
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

Common AssociatesHide

Associated Minerals Based on Photo Data:
Ferriandrosite-(La)3 photos of Ferriakasakaite-(La) associated with Ferriandrosite-(La) on mindat.org.

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-(La)Hide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Nagashima, M., Nishio-Hamane, D., Tomita, N., Minakawa, T., Inaba, S. (2014) Ferriakasakaite-(La), IMA 2013-126. CNMNC Newsletter No. 20, June 2014, page 551. Mineralogical Magazine: 78: 549-558.
Nagashima, M., Nishio-Hamane, D., Tomita, N., Minakawa, T., Inaba, S. (2015) Ferriakasakaite-(La) and ferriandrosite-(La): new epidote-supergroup minerals from Ise, Mie Prefecture, Japan. Mineralogical Magazine: 79: 735-753.

Internet Links for Ferriakasakaite-(La)Hide

Localities for Ferriakasakaite-(La)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.
Germany
 
  • Rhineland-Palatinate
    • Eifel
      • Laach lake volcanic complex
        • Mendig
          • Niedermendig
Chukanov, N., Zubkova, N., Schäfer, Ch., Varlamov, D., Ermolaeva, V., Polekhovsky, Y., K. Jancev, J., Pekov, I., Pushcharovsky, D. (2018): Ferriakasakaite-(La): new finds, new data and relationships with other allanite-group minerals, European Journal of Mineralogy, in press
Japan (TL)
 
  • Honshu Island
    • Kinki region
      • Mie Prefecture
        • Ise City
          • Shobu
Nagashima, M., Nishio-Hamane, D., Tomita, N., Minakawa, T. and Inaba, S. (2014) Ferriakasakaite-(La), IMA 2013-126. CNMNC Newsletter No. 20, June 2014, page 551; Mineralogical Magazine, 78, 549-558.; Nagashima, M., Nishio-Hamane, D., Tomita, N., Minakawa, T., Inaba, S. (2015): Ferriakasakaite-(La) and ferriandrosite-(La): new epidote-supergroup minerals from Ise, Mie Prefecture, Japan. Mineralogical Magazine, 79, 735-753.
USA
 
  • New Jersey
    • Sussex Co.
      • Franklin Mining District
        • Franklin
Heixong Yang
Mineral and/or Locality  
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