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Vanadoandrosite-(Ce)

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Formula:
{Mn2+Ce}{V3+AlMn2+}(Si2O7)(SiO4)O(OH)
System:
Monoclinic
A member of the Allanite Subgroupof the Epidote Group.


Classification of Vanadoandrosite-(Ce)

IMA status:
Approved
Approval Year:
2004
Strunz 8th ed.:
8/C.23-54
Nickel-Strunz 10th (pending) ed.:
9.BG.05

9 : SILICATES (Germanates)
B : Sorosilicates
G : Sorosilicates with mixed SiO4 and Si2O7 groups; cations in octahedral [6] and greater coordination

Optical Data of Vanadoandrosite-(Ce)

Type:
Biaxial
RI values:
n = 1.82
Max Birefringence:
δ = 0.000
Image shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:
Very High
Pleochroism:
Strong
Comments:
yellow-brown < red-brown < dark greenish brown // b

Chemical Properties of Vanadoandrosite-(Ce)

Formula:
{Mn2+Ce}{V3+AlMn2+}(Si2O7)(SiO4)O(OH)
IMA Formula:
Mn2+CeV3+AlMn2+O(Si2O7)(SiO4)(OH)
Elements listed in formula:
Al, Ce, H, Mn, O, Si, V - search for minerals with similar chemistry
Common Impurities:
Ca,REE

Crystallography of Vanadoandrosite-(Ce)

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
P21/m
Cell Parameters:
a = 8.856 Å, b = 5.729 Å, c = 10.038 Å
β = 113.088°
Ratio:
a:b:c = 1.546 : 1 : 1.752
Unit Cell Volume:
V 468.5 ų
Z:
2

Type Occurrence of Vanadoandrosite-(Ce)

Type Locality:
Coustou Mine, Vielle-Aure, Aure Valley, Hautes-Pyrénées, Occitanie, France
Geological Setting of Type Material:
Quartz-rhodochrosite-sulphide veinlets cross-cutting the rhodochrosite ore in greenschist-facies lower carboniferous radiolarite
Associated Minerals at Type Locality:
VuorelaineniteSpessartineRhodochrositeQuartzFriedelite
Chalcopyrite

Relationship of Vanadoandrosite-(Ce) to other Species

Member of:
Allanite Group > Epidote Supergroup
Other Members of Group:
Allanite-(Ce){CaCe}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
Allanite-(La){CaLa}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
Allanite-(Nd){CaNd}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
Allanite-(Y){CaY}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
Androsite-(Ce){Mn2+REE}{AlAlMn2+}(SiO4)(Si2O7)O(OH)
Dissakisite-(Ce){CaCe}{Al2Mg}(Si2O7)(SiO4)O(OH)
Dissakisite-(La){CaLa}{Al2Mg}(Si2O7)(SiO4)O(OH)
Ferriakasakaite-(La){CaLa}{Fe3+AlMn2+}(Si2O7)(SiO4)O(OH)
Ferriallanite-(Ce){CaCe}{Fe3+AlFe2+}(Si2O7)(SiO4)O(OH)
Ferriallanite-(La){CaLa}{Fe3+AlFe2+}(Si2O7)(SiO4)O(OH)
Ferriandrosite-(Ce){Mn2+REE}{Fe3+AlMn2+}(SiO4)(Si2O7)O(OH)
Ferriandrosite-(La){MnLa}{Fe3+AlMn2+}(Si2O7)(SiO4)O(OH)
Manganiandrosite-(Ce){Mn2+Ce}{Mn3+AlMn2+}(Si2O7)(SiO4)O(OH)
Manganiandrosite-(La){Mn2+La}{Mn3+AlMn2+}(Si2O7)(SiO4)O(OH)
Uedaite-(Ce){Mn2+Ce}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
UM1989-32-SiO:AlCaFeHREE(Ca0.5□0.5)(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)
Related Minerals - Nickel-Strunz Grouping):
9.BG.XCyprineCa19Cu2+(Al10Mg2)Si18O68(OH)10
9.BG.05bAllanite-(Ce){CaCe}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
9.BG.05bAllanite-(La){CaLa}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
9.BG.05bAllanite-(Y){CaY}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
9.BG.05aClinozoisite{Ca2}{Al3}(Si2O7)(SiO4)O(OH)
9.BG.05bDissakisite-(Ce){CaCe}{Al2Mg}(Si2O7)(SiO4)O(OH)
9.BG.05Dollaseite-(Ce){CaCe}{MgAlMg}(Si2O7)(SiO4)(OH)F
9.BG.05aEpidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
9.BG.05Hancockite{CaPb}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
9.BG.05Khristovite-(Ce){CaCe}{MgAlMn2+}(Si2O7)(SiO4)(OH)F
9.BG.05Mukhinite{Ca2}{Al2V3+}(Si2O7)(SiO4)O(OH)
9.BG.05Piemontite{Ca2}{Al2Mn3+}(Si2O7)(SiO4)O(OH)
9.BG.05Piemontite-(Sr){CaSr}{Al2Mn3+}(Si2O7)(SiO4)O(OH)
9.BG.05bManganiandrosite-(La){Mn2+La}{Mn3+AlMn2+}(Si2O7)(SiO4)O(OH)
9.BG.05Tawmawite{Ca2}{(Al,Fe3+,Cr)3}(Si2O7)(SiO4)O(OH)
9.BG.05Tweddillite{CaSr}{Mn3+AlMn3+}(Si2O7)(SiO4)O(OH)
9.BG.05bFerriallanite-(Ce){CaCe}{Fe3+AlFe2+}(Si2O7)(SiO4)O(OH)
9.BG.05Niigataite{CaSr}{Al3}(Si2O7)(SiO4)O(OH)
9.BG.05Manganiandrosite-(Ce){Mn2+Ce}{Mn3+AlMn2+}(Si2O7)(SiO4)O(OH)
9.BG.05Dissakisite-(La){CaLa}{Al2Mg}(Si2O7)(SiO4)O(OH)
9.BG.05Uedaite-(Ce){Mn2+Ce}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
9.BG.05Epidote-(Sr){CaSr}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
9.BG.05bAllanite-(Nd){CaNd}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
9.BG.05bFerriallanite-(La){CaLa}{Fe3+AlFe2+}(Si2O7)(SiO4)O(OH)
9.BG.05bÅskagenite-(Nd){Mn2+Nd}{Al2Fe3+}(Si2O7)(SiO4)O2
9.BG.10Zoisite{Ca2}{Al3}(Si2O7)(SiO4)O(OH)
9.BG.15MacfalliteCa2Mn33+(SiO4)(Si2O7)(OH)3
9.BG.15SursassiteMn22+Al3(SiO4)(Si2O7)(OH)3
9.BG.20Julgoldite-(Fe2+)Ca2Fe2+Fe23+(Si2O7)(SiO4)(OH)2 · H2O
9.BG.20OkhotskiteCa2(Mn,Mg)(Mn3+,Al,Fe3+)2(Si2O7)(SiO4)(OH)2 · H2O
9.BG.20Pumpellyite-(Fe2+)Ca2Fe2+Al2(Si2O7)(SiO4)(OH)2 · H2O
9.BG.20Pumpellyite-(Fe3+)Ca2(Fe3+,Mg)(Al,Fe3+)2(Si2O7)(SiO4)(OH,O)2 · H2O
9.BG.20Pumpellyite-(Mg)Ca2MgAl2(Si2O7)(SiO4)(OH)2 · H2O
9.BG.20Pumpellyite-(Mn2+)Ca2Mn2+Al2(Si2O7)(SiO4)(OH)2 · H2O
9.BG.20ShuiskiteCa2MgCr2(Si2O7)(SiO4)(OH)2 · 2H2O
9.BG.20Julgoldite-(Fe3+)Ca2Fe3+Fe23+(Si2O7)(SiO4)O(OH) · H2O
9.BG.20Pumpellyite-(Al)Ca2Al3(Si2O7)(SiO4)(OH,O)2 · H2O
9.BG.20PoppiiteCa2(V3+,Fe3+,Mg)(V3+,Al)2(Si2O7)(SiO4)(OH,O)2 · H2O
9.BG.20Julgoldite-(Mg)Ca2MgFe23+(Si2O7)(SiO4)(OH)2 · H2O
9.BG.25GanomalitePb9Ca5Mn(Si2O7)4(SiO4)O
9.BG.30RustumiteCa10(Si2O7)2(SiO4)(OH)2Cl2
9.BG.35Vesuvianite(Ca,Na,☐)19(Al,Mg,Fe3+)13(☐,B,Al,Fe3+)5(Si2O7)4(SiO4)10(OH,F,O)10
9.BG.35WiluiteCa19(Al,Mg)13(B,☐,Al)5(Si2O7)4(SiO4)10(O,OH)10
9.BG.35ManganvesuvianiteCa19Mn3+(Al,Mn3+,Fe3+)10(Mg,Mn2+)2(Si2O7)4(SiO4)10O(OH)9
9.BG.35FluorvesuvianiteCa19(Al,Mg,Fe2+)13(Si2O7)4(SiO4)10O(F,OH)9
9.BG.40Vyuntspakhkite-(Y)(Y,Yb)4Al2.5-1.5(Si,Al)1.5-2.5(SiO4)4O(OH)7
9.BG.45DellaiteCa6Si3O11(OH)2
9.BG.50Gatelite-(Ce)CaCe3Al2(Al,Mg)(Mg,Fe2+,Al)(Si2O7)(SiO4)3(O,F)(OH,O)2
9.BG.55Västmanlandite-(Ce)Ce3CaMg2Al2Si2O15(OH)2F

Other Names for Vanadoandrosite-(Ce)

Synonyms:

IMA2004-015

Name in Other Languages:
Simplified Chinese:铈钒锰绿泥石
Traditional Chinese:鈰釩錳綠泥石

Other Information

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 Vanadoandrosite-(Ce)

Reference List:
Cenki-Tok, B., Ragu, A., Armbruster, T., Chopin, C., Medenbach, O. (2006): New Mn- and rare-earth-rich epidote-group minerals in metacherts: manganiandrosite-(Ce) and vanadoandrosite-(Ce). European Journal of Mineralogy 18, 569-582.

Internet Links for Vanadoandrosite-(Ce)

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    • Localities for Vanadoandrosite-(Ce)

    (TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    France (TL)
     
    • Occitanie
      • Hautes-Pyrénées
        • Aure Valley
          • Vielle-Aure
    		Chopin, F., Armbruster, Th., Cenki-Tok, B., Ragu, A. (2006): REE-bearing epidotes in Mn-rich systems: new compounds and fO2 controls. Geophysical Research Abstracts, 8, 08063
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