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Manganiandrosite-(La)

A valid IMA mineral species
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(Mn2+La)(Mn3+AlMn2+)O[Si2O7][SiO4](OH)
Colour:
Brown-red
Lustre:
Vitreous
Specific Gravity:
>4.03
Crystal System:
Monoclinic
Member of:
Allanite Group >Epidote Supergroup
Name:
Originally named androsite-(La) in 1996 after its discovery locality on Andros Island, Greece. It was renamed by the Epidotes Subcommittee of the CNMMN in 2006. The prefix indicates a predominance of Mn3+ at the M1 site. The suffix/modifier indicates the dominant cation at the A2 site, which for the allanite subgroup is always a REE and in this case is lanthanum.
Type Locality:
ⓘPetalo Peak, Vasiliko Mountain, Andros, South Aegean, Greece
A member of theAllanite Subgroup of theEpidote Group.
Manganiakasakaite-(La)-Manganiandrosite-(La) Series.


Unique Identifiers
IMA Formula:
MnLa(Mn3+AlMn2+)[Si2O7][SiO4]O(OH)
Approval year:
1994
First published:
1996
Type description reference:
Bonazzi, Paola, Menchetti, Silvio, Reinecke, Thomas (1996) Solid solution between piemontite and androsite-(La), a new mineral of the epidote group from Andros Island, Greece.American Mineralogist, 81 (5) 735-742doi:10.2138/am-1996-5-620

Classification of Manganiandrosite-(La)

Mineral Symbols
Transparency:
Transparent
Colour:
Brown-red
Cleavage:
None Observed
Density:
>4.03 g/cm3 (Measured)    4.21(5) g/cm3 (Calculated)

Optical Data of Manganiandrosite-(La)
Common Impurities:
Ca,REE

Crystallography of Manganiandrosite-(La)
General Appearance of Type Material:
Minute subhedral to euhedral grains with a maximum diameter of 20-60 µm, rarely up to 200 µm, randomly interspersed in a fine- to medium-grained matrix.
Place of Conservation of Type Material:
Mineralogical Museum of the University of Florence (sample no. 2074/RI).
Geological Setting of Type Material:
Found in Mn-rich metamorphic rocks such as highly oxidized quartzitic schists, quartzites, and Mn-rich pyroxenoid and carbonate rocks. Found in the Ca-poor assemblages.
Associated Minerals at Type Locality:
BrauniteRhodoniteSpessartine
Reference:
Bonazzi, P., Menchetti, S., and Reinecke, T. (1996) Solid solution between piemontite and androsite-(La), a new mineral of the epidote group from Andros Island, Greece. American Mineralogist: 81: 735-742.
Download:
https://rruff.info/rruff_1.0/uploads/AM81_735.pdf

Synonyms of Manganiandrosite-(La)

Other Language Names for Manganiandrosite-(La)

Relationship of Manganiandrosite-(La) to other Species
Other Members of this group:
Allanite-(Ce)(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)Mon. 2/m :P21/m
Allanite-(La)(CaLa)(AlAlFe2+)O[Si2O7][SiO4](OH)Mon. 2/m :P21/m
Allanite-(Nd)(CaNd)(AlAlFe2+)O[Si2O7][SiO4](OH)Mon. 2/m :P21/m
Allanite-(Sm)(CaSm)(AlAlFe2+)O[Si2O7][SiO4](OH)Mon. 2/m :P21/m
Allanite-(Y)(CaY)(AlAlFe2+)O[Si2O7][SiO4](OH)Mon.
Androsite-(Ce)(Mn2+Ce)(AlAlMn2+)O[Si2O7][SiO4](OH)
Dissakisite-(Ce)(CaCe)(AlAlMg)O[Si2O7][SiO4](OH)Mon. 2/m :P21/m
Dissakisite-(La)(CaLa)(AlAlMg)O[Si2O7][SiO4](OH)Mon. 2/m :P21/m
Ferriakasakaite-(Ce)(CaCe)(Fe3+AlMn2+)O[Si2O7][SiO4](OH)Mon. 2/m :P21/m
Ferriakasakaite-(La)(CaLa)(Fe3+AlMn2+)O[Si2O7][SiO4](OH)Mon. 2/m :P21/m
Ferriallanite-(Ce)(CaCe)(Fe3+AlFe2+)O[Si2O7][SiO4](OH)Mon. 2/m :P21/m
Ferriallanite-(La)(CaLa)(Fe3+AlFe2+)O[Si2O7][SiO4](OH)Mon. 2/m :P21/m
Ferriandrosite-(Ce)(Mn2+Ce)(Fe3+AlMn2+)O[Si2O7][SiO4](OH)Mon. 2/m :P21/m
Ferriandrosite-(La)(Mn2+La)(Fe3+AlMn2+)O[Si2O7][SiO4](OH)Mon. 2/m :P21/m
Manganiakasakaite-(La)(CaLa)(Mn3+AlMn2+)O[Si2O7][SiO4](OH)Mon. 2/m :P21/m
Manganiandrosite-(Ce)(Mn2+Ce)(Mn3+AlMn2+)O[Si2O7][SiO4](OH)Mon. 2/m :P21/m
Uedaite-(Ce)(Mn2+Ce)(AlAlFe2+)O[Si2O7][SiO4](OH)Mon. 2/m :P21/m
UM1989-32-SiO:AlCaFeHREE(Ca0.5◻0.5REE)(AlAlFe3+)O[Si2O7][SiO4](OH)
UM1994-25-SiO:AlCaFeHREEV(CaREE)(V3+AlFe2+)O[Si2O7][SiO4](OH)
UM2006-14-SiO:AlCaHMnREE(CaCe)(AlAlMn2+)O[Si2O7][SiO4](OH)
Unnamed (Mg-analogue of Ferriallanite-(Ce))(CaCe)(Fe3+AlMg)O[Si2O7][SiO4](OH)
Unnamed (Mn3+-analogue of Ferriakasakaite-(Ce))(CaCe)(Mn3+AlMn2+)O[Si2O7][SiO4](OH)
Vanadoakasakaite-(Ce)CaCe(V3+AlMn2+)O[Si2O7][SiO4](OH)Mon. 2/m :P21/m
Vanadoallanite-(La)(CaLa)(V3+AlFe2+)O[Si2O7][SiO4](OH)Mon. 2/m :P21/m
Vanadoandrosite-(Ce)(Mn2+Ce)(V3+AlMn2+)O[Si2O7][SiO4](OH)Mon. 2/m :P21/m
Forms a series with:
Manganiakasakaite-(La)Manganiandrosite-(La) - Manganiakasakaite-(La) Series
Manganiakasakaite-(La)Manganiakasakaite-(La)-Manganiandrosite-(La) Series

Common AssociatesTet. 4/m :P4/n9.BG.Alnaperbøeite-(Ce)Ca(Ce2.5Na0.5)(AlAl2Al)[Si2O7][SiO4]3O(OH)2Mon. 2/m :P21/m9.BG.Zilbermintsite-(La)(CaLa5)(Fe3+Al3Fe2+)[Si2O7][SiO4]5O(OH)3Mon. 2/m :P21/m9.BG.Vielleaureite-(Ce)(Mn2+Ce)(MgAlMn2+)F[Si2O7][SiO4](OH)Mon. 2/m :P21/m9.BG.Heflikite(CaCa)(AlAlSc)O[Si2O7][SiO4](OH)Mon. 2/m :P21/m9.BG.MagnesiovesuvianiteCa19MgAl4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10](OH)(OH)9Tet. 4/m :P4/n9.BG.Zoisite-(Pb)(CaPb)(AlAlAl)O[Si2O7][SiO4](OH)Orth.mmm(2/m2/m2/m) :Pnma9.BG.Shuiskite-(Cr)Ca2Cr3+Cr3+2[Si2O6OH][SiO4](OH)2OMon. 2/m :B2/m9.BG.05Dissakisite-(La)(CaLa)(AlAlMg)O[Si2O7][SiO4](OH)Mon. 2/m :P21/m9.BG.05Manganiandrosite-(Ce)(Mn2+Ce)(Mn3+AlMn2+)O[Si2O7][SiO4](OH)Mon. 2/m :P21/m9.BG.05bDissakisite-(Ce)(CaCe)(AlAlMg)O[Si2O7][SiO4](OH)Mon. 2/m :P21/m9.BG.05bAllanite-(Sm)(CaSm)(AlAlFe2+)O[Si2O7][SiO4](OH)Mon. 2/m :P21/m9.BG.05aHancockite(CaPb)(AlAlFe3+)O[Si2O7][SiO4](OH)Mon. 2/m :P21/m9.BG.05Dollaseite-(Ce)(CaCe)(MgAlMg)F[Si2O7][SiO4](OH)Mon. 2/m :P21/m9.BG.05a vUnnamed (Ga-analogue of Epidote)(CaCa)(AlAlGa3+)O[Si2O7][SiO4](OH)9.BG.05aClinozoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)Mon. 2/m :P21/m9.BG.05aEpidote-(Sr)(CaSr)(AlAlFe3+)O[Si2O7][SiO4](OH)Mon. 2/m :P21/m9.BG.05Vanadoandrosite-(Ce)(Mn2+Ce)(V3+AlMn2+)O[Si2O7][SiO4](OH)Mon. 2/m :P21/m9.BG.05bVanadoallanite-(La)(CaLa)(V3+AlFe2+)O[Si2O7][SiO4](OH)Mon. 2/m :P21/m9.BG.05bUnnamed (Mg-analogue of Ferriallanite-(Ce))(CaCe)(Fe3+AlMg)O[Si2O7][SiO4](OH)9.BG.05bFerriallanite-(La)(CaLa)(Fe3+AlFe2+)O[Si2O7][SiO4](OH)Mon. 2/m :P21/m9.BG.05Uedaite-(Ce)(Mn2+Ce)(AlAlFe2+)O[Si2O7][SiO4](OH)Mon. 2/m :P21/m9.BG.05aEpidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)Mon. 2/m :P21/m9.BG.05Tweddillite(CaSr)(Mn3+AlMn3+)O[Si2O7][SiO4](OH)Mon. 2/m :P21/m9.BG.05bÅskagenite-(Nd)(Mn2+Nd)(AlAlFe3+)O[Si2O7][SiO4]OMon. 2/m :P21/m9.BG.05Piemontite-(Pb)(CaPb)(AlAlMn3+)O[Si2O7][SiO4](OH)Mon. 2/m :P21/m9.BG.05bAllanite-(Ce)(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)Mon. 2/m :P21/m9.BG.05bAllanite-(La)(CaLa)(AlAlFe2+)O[Si2O7][SiO4](OH)Mon. 2/m :P21/m9.BG.05bAllanite-(Y)(CaY)(AlAlFe2+)O[Si2O7][SiO4](OH)Mon.9.BG.05aPiemontite(CaCa)(AlAlMn3+)O[Si2O7][SiO4](OH)Mon. 2/m :P21/m9.BG.05Khristovite-(Ce)(CaCe)(MgAlMn2+)F[Si2O7][SiO4](OH)Mon. 2/m :P21/m9.BG.05bFerriakasakaite-(La)(CaLa)(Fe3+AlMn2+)O[Si2O7][SiO4](OH)Mon. 2/m :P21/m9.BG.05Ferriandrosite-(La)(Mn2+La)(Fe3+AlMn2+)O[Si2O7][SiO4](OH)Mon. 2/m :P21/m9.BG.05Androsite-(Ce)(Mn2+Ce)(AlAlMn2+)O[Si2O7][SiO4](OH)9.BG.05Ferriandrosite-(Ce)(Mn2+Ce)(Fe3+AlMn2+)O[Si2O7][SiO4](OH)Mon. 2/m :P21/m9.BG.05bFerriallanite-(Ce)(CaCe)(Fe3+AlFe2+)O[Si2O7][SiO4](OH)Mon. 2/m :P21/m9.BG.05bUnnamed (Mn3+-analogue of Ferriakasakaite-(Ce))(CaCe)(Mn3+AlMn2+)O[Si2O7][SiO4](OH)9.BG.5bVanadoakasakaite-(Ce)CaCe(V3+AlMn2+)O[Si2O7][SiO4](OH)Mon. 2/m :P21/m9.BG.05Piemontite-(Sr)(CaSr)(AlAlMn3+)O[Si2O7][SiO4](OH)Mon. 2/m :P21/m9.BG.05Niigataite(CaSr)(AlAlAl)O[Si2O7][SiO4](OH)Mon. 2/m :P21/m9.BG.05bFerriakasakaite-(Ce)(CaCe)(Fe3+AlMn2+)O[Si2O7][SiO4](OH)Mon. 2/m :P21/m9.BG.05bAllanite-(Nd)(CaNd)(AlAlFe2+)O[Si2O7][SiO4](OH)Mon. 2/m :P21/m9.BG.05bUM1989-32-SiO:AlCaFeHREE(Ca0.5◻0.5REE)(AlAlFe3+)O[Si2O7][SiO4](OH)9.BG.05aMukhinite(CaCa)(AlAlV3+)O[Si2O7][SiO4](OH)Mon.9.BG.05bManganiakasakaite-(La)(CaLa)(Mn3+AlMn2+)O[Si2O7][SiO4](OH)Mon. 2/m :P21/m9.BG.10Zoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)Orth.mmm(2/m2/m2/m) :Pnma9.BG.15MacfalliteCa2Mn3+3(SiO4)(Si2O7)(OH)3Mon. 2/m :P21/m9.BG.15SursassiteMn2+2Al3(SiO4)(Si2O7)(OH)3Mon. 2/m :P21/m9.BG.20Pumpellyite-(Al)Ca2AlAl2[Si2O6OH][SiO4](OH)2OMon. 2/m9.BG.20Shuiskite-(Mg)Ca2MgCr3+2[Si2O6OH][SiO4](OH)2(OH)Mon. 2/m9.BG.20Julgoldite-(Fe2+)Ca2Fe2+Fe3+2[Si2O6OH][SiO4](OH)2(OH)Mon. 2/m9.BG.20OkhotskiteCa2Mn2+Mn3+2[Si2O6OH][SiO4](OH)2(OH)Mon. 2/m9.BG.20Julgoldite-(Mg)Ca2MgFe3+2[Si2O6OH][SiO4](OH)2(OH)Mon.9.BG.20PoppiiteCa2V3+V3+2[Si2O6OH][SiO4](OH)2OMon. 2/m :B2/m9.BG.20Julgoldite-(Fe3+)Ca2Fe3+Fe3+2[Si2O6OH][SiO4](OH)2OMon.9.BG.20Pumpellyite-(Fe2+)Ca2Fe2+Al2[Si2O6OH][SiO4](OH)2(OH)Mon. 2/m9.BG.20Pumpellyite-(Fe3+)Ca2Fe3+Al2[Si2O6OH][SiO4](OH)2OMon. 2/m9.BG.20Pumpellyite-(Mg)Ca2MgAl2[Si2O6OH][SiO4](OH)2(OH)Mon. 2/m9.BG.20Pumpellyite-(Mn2+)Ca2Mn2+Al2[Si2O6OH][SiO4](OH)2(OH)Mon. 2/m9.BG.25GanomalitePb9Ca5Mn(Si2O7)4(SiO4)OHex.6 :P69.BG.25WayneburnhamitePb9Ca6(Si2O7)3(SiO4)3Hex.6 :P69.BG.30RustumiteCa10(Si2O7)2(SiO4)(OH)2Cl2Mon. 2/m :B2/b9.BG.35ModraiteCa19Fe2+Al4(Al6Fe2+2)(◻4)◻[Si2O7]4[(SiO4)10](OH)(OH)9Tet. 4/mmm(4/m2/m2/m) :P4/nnc9.BG.35FluorvesuvianiteCa19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(F,OH)9Tet. 4/mmm(4/m2/m2/m) :P4/nnc9.BG.35VesuvianiteCa19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9Tet. 4/mmm(4/m2/m2/m) :P4/nnc9.BG.35Milanriederite(Ca18[REE])Fe3+Al4(Mg4Al4)(◻4)◻[Si2O7]4[(SiO4)10](OH)(OH)9Tet. 4/mmm(4/m2/m2/m) :P4/nnc9.BG.35Manaevite-(Ce)(Ca13Ce4[H2O]2)Mg(Al3Mg)(Mg3Ti3Fe3+2)(◻4)◻[Si2O7]4[(SiO4)8(H4O4)2]O(OH)9Tet. 4/mmm(4/m2/m2/m) :P4/nnc9.BG.35HongheiteCa19Fe2+Al4(Fe3+,Mg)8(◻4)B[Si2O7]4[(SiO4)10]O(OH,O)9Tet. 4/mmm(4/m2/m2/m) :P4/nnc9.BG.35WiluiteCa19MgAl4(Al,Mg)8(B,◻)4◻[Si2O7]4[(SiO4)10]O(O,OH)9Tet. 4/mmm(4/m2/m2/m) :P4/nnc9.BG.35CyprineCa19Cu2+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10](OH)(OH)9Tet. 4/m :P4/n9.BG.35ManganvesuvianiteCa19Mn3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9Tet. 4/m :P4/n9.BG.40Vyuntspakhkite-(Y)(Y,Yb)4Al2.5-1.5(Si,Al)1.5-2.5(SiO4)4O(OH)7Mon.9.BG.45DellaiteCa6Si3O11(OH)2Tric.9.BG.50Ferriperbøeite-(Ce)CaCe3(Fe3+Al2Fe2+)[Si2O7][SiO4]3O(OH)2Mon. 2/m :P21/m9.BG.50Perbøeite-(La)CaLa3(AlAl2Fe2+)[Si2O7][SiO4]3O(OH)2Mon. 2/m :P21/m9.BG.50Perbøeite-(Ce)CaCe3(AlAl2Fe2+)[Si2O7][SiO4]3O(OH)2Mon. 2/m :P21/m9.BG.50Gatelite-(Ce)CaCe3(AlAl2Mg)[Si2O7][SiO4]3O(OH)2Mon. 2/m :P21/b9.BG.50Ferriperbøeite-(La) CaLa3(Fe3+Al2Fe2+)[Si2O7][SiO4]3O(OH)2Mon. 2/m :P21/m9.BG.55Västmanlandite-(Ce)CaCe3(MgAl2Mg)[Si2O7][SiO4]3F(OH)2Mon. 2/m :P21/m9.BG.60Radekškodaite-(La) (CaLa5)(Al4Fe2+)[Si2O7][SiO4]5O(OH)3Mon. 2/m :P21/m9.BG.60Radekškodaite Group(CaM5)([Fe3+Al3]Fe2+)[Si2O7][SiO4]5O(OH)39.BG.60Radekškodaite-(Ce)(CaCe5)(Al4Fe2+)[Si2O7][SiO4]5O(OH)3Mon. 2/m :P21/m

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    • References for Manganiandrosite-(La)ⓘPetalo Peak (TL)Bonazzi et al. (1996)
    Romania
     
    Hîrtopanu (1997)+1 other reference
    Russia
     
    Pavel.M. Kartashov (n.d.)
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