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Tancaite-(Ce)

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About Tancaite-(Ce)Hide

Formula:
FeCe(MoO4)3·3H2O
Crystal System:
Trigonal
Name:
Named after Giuseppe Tanca, mineral collector.
This page provides mineralogical data about Tancaite-(Ce).


Classification of Tancaite-(Ce)Hide

Approved
Approval Year:
2009
7.GB.50

7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
G : Molybdates, Wolframates and Niobates
B : With additional anions and/or H2O
49.2.5.

49 : HYDRATED MOLYBDATES AND TUNGSTATES
2 : Hydrated Normal Molybdates and Tungstates

Chemical Properties of Tancaite-(Ce)Hide

Formula:
FeCe(MoO4)3·3H2O
IMA Formula:
FeCe(MoO4)3 · 3H2O

Crystallography of Tancaite-(Ce)Hide

Crystal System:
Trigonal
Class (H-M):
3 - Rhombohedral
Space Group:
R3
Cell Parameters:
a = 19.290(1) Å, c = 47.251(5) Å
Ratio:
a:c = 1 : 2.45
Unit Cell V:
15,226.71 ų (Calculated from Unit Cell)

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
4.84 (45)
4.12 (8)
3.93 (75)
3.42 (100)
2.785 (10)
1.825 (15)
1.610 (10)
1.340 (12)

Type Occurrence of Tancaite-(Ce)Hide

Synonyms of Tancaite-(Ce)Hide

Common AssociatesHide

Associated Minerals Based on Photo Data:
Mendozavilite Group2 photos of Tancaite-(Ce) associated with Mendozavilite Group on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

7.GB.05LindgreniteCu3(MoO4)2(OH)2Mon. 2/m : P21/m
7.GB.10SzenicsiteCu3(MoO4)(OH)4Orth.
7.GB.15CuprotungstiteCu2(WO4)(OH)2Tet. 4 2 2 : P41 21 2
7.GB.15UM1999-38-WO:CrV(V, Cr, W, O, H) [V:Cr:W ratio about 2:1:3]
7.GB.20Phyllotungstite(H2O,M)x(W,Fe)(O,OH)3 · yH2O (M = Ca, Cs, Pb or K)Hex. 6/mmm (6/m 2/m 2/m) : P63/mmc
7.GB.25RankachiteCa0.5(V4+,V5+)(W6+,Fe3+)2O8(OH) · 2H2OMon. 2/m : P21/m
7.GB.30FerrimolybditeFe2(MoO4)3 · nH2OOrth. mmm (2/m 2/m 2/m) : Pmmn
7.GB.35AnthoiniteAlWO3(OH)3Tric. 1
7.GB.35MpororoiteWAlO3(OH)3 · 2(H2O)
7.GB.40Obradovicite-KCu[K2(H2O)17Cu(H2O)6][Mo8As2Fe3+3O34(OH)3]Orth. mmm (2/m 2/m 2/m) : Pmna
7.GB.45Mendozavilite-NaFe[Na2(H2O)15Fe3+(H2O)6][Mo8P2Fe3+3O35(OH)2]Mon. 2/m : B2/m
7.GB.45ParamendozaviliteNaAl4Fe7(PO4)5(PMo12O40)(OH)16 · 56H2OMon.

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 Tancaite-(Ce)Hide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Orlandi, P. and Bonaccorsi, E. (2010): IMA 2009-097. CNMNC Newsletter, April 2010, page 376; Mineralogical Magazine, 74, 375-377.
Bonaccorsi, E. and Orlandi, P. (2010): Tancaite-(Ce), a new molybdate from Italy. 20th General Meeting of the IMA (IMA2010), Budapest, Hungary, August 21-27, CD of Abstracts, p. 494.

Internet Links for Tancaite-(Ce)Hide

Localities for Tancaite-(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)
 
  • Sardinia
    • Cagliari metropolitan city (Metropolitan City of Cagliari)
      • Sarroch
Orlandi, P. and Elena Bonaccorsi, E. (2010): IMA 2009-097. CNMNC Newsletter, April 2010, page 376; Mineralogical Magazine, 74, 375-377. ; Orlandi P., Gelosa M., Bonacina E., Caboni F., Mamberti M., Tanca G.A., Vinci A. (2015): Sette nuove specie mineralogiche della Sardegna. I minerali della mineralizzazione a molibdeno e bismuto di Su Seinargiu (CA). Riv. Mineral. Ital., 39, 2, 84-115.
Mineral and/or Locality  
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