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Ferriandrosite-(La)

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Formula:
{MnLa}{Fe3+AlMn2+}(Si2O7)(SiO4)O(OH)
Crystal System:
Monoclinic
Allanite Subgroup of the Epidote group. Ferriandrosite-(La) is the M1Fe3+ analogue of androsite.


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Classification of Ferriandrosite-(La)Hide

Approved
Approval Year:
2013

Chemical Properties of Ferriandrosite-(La)Hide

Formula:
{MnLa}{Fe3+AlMn2+}(Si2O7)(SiO4)O(OH)
IMA Formula:
MnLaFe3+AlMn2+(Si2O7)(SiO4)O(OH)
Idealised Formula:
A1Mn 2+ A2LaM1Fe 3+M2AlM3Mn2+(SiO4)(Si2O7)O(OH)

Crystallography of Ferriandrosite-(La)Hide

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
P21/m
Setting:
P21/m
Cell Parameters:
a = 8.8779(1) Å, b = 5.7399(1) Å, c = 10.0875(2) Å
β = 113.899(1)°
Ratio:
a:b:c = 1.547 : 1 : 1.757
Unit Cell V:
469.97 ų

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
9.223(23)
3.510(46)
2.900(100)
2.870(40)
2.710(35)
2.706(35)
2.615(53)
2.573(26)
Comments:
From Type Description.

Type Occurrence of Ferriandrosite-(La)Hide

General Appearance of Type Material:
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-43920
Geological Setting of Type Material:
Tephroite ± calcite veinlets cutting a stratiform ferromanganese deposit.
Associated Minerals at Type Locality:

Synonyms of Ferriandrosite-(La)Hide

Other Language Names for Ferriandrosite-(La)Hide

Relationship of Ferriandrosite-(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
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)
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 Ferriakasakaite-(La)){CaLa}{Mn3+AlMn2+}(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:
Ferriakasakaite-(La)3 photos of Ferriandrosite-(La) associated with Ferriakasakaite-(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 Ferriandrosite-(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. and Inaba, S. (2014) Ferriandrosite-(La), IMA 2013-127. 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 Ferriandrosite-(La)Hide

Localities for Ferriandrosite-(La)Hide

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.
Japan (TL)
 
  • Honshu Island
    • Kinki region
      • Mie Prefecture
        • Ise City
          • Shobu
Nagashima, M., Nishio-Hamane, D., Tomita, N., Minakawa, T. and Inaba, S. (2014) Ferriandrosite-(La), IMA 2013-127. 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.
Mineral and/or Locality  
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