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About FianeliteHide

Mn2+2((V,As)2O7) · 2H2O
Crystal System:
Named after its locality.
Loosely related to mesaite. The V analogue of rüdlingerite.

Classification of FianeliteHide

Approval Year:

F : Polyphosphates, Polyarsenates, [4]-Polyvanadates
C : Polyphosphates, etc., with H2O only

Physical Properties of FianeliteHide


Optical Data of FianeliteHide

RI values:
nα = 1.820 nβ = 1.820
Measured: 5° to 10°
Max Birefringence:
δ = 1.820
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Very High

Chemical Properties of FianeliteHide

Mn2+2((V,As)2O7) · 2H2O
IMA Formula:
Mn2+2V2O7 · 2H2O

Crystallography of FianeliteHide

Crystal System:

Type Occurrence of FianeliteHide

Synonyms of FianeliteHide

Other Language Names for FianeliteHide

Simplified Chinese:费水钒锰矿
Traditional Chinese:費水釩錳礦

Common AssociatesHide

Associated Minerals Based on Photo Data:
Ansermetite3 photos of Fianelite associated with Ansermetite on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

8.FC.10CanaphiteNa2Ca(P2O7) · 4H2OMon.
8.FC.15PintadoiteCa2(V2O7) · 9H2O
8.FC.20Arnhemite(K,Na)4Mg2(P2O7)2 · 5H2OHex.
8.FC.25WooldridgeiteNa2CaCu2+2(P2O7)2 · 10H2OOrth. mm2 : Fdd2
8.FC.30KanoneroviteNa3Mn2+(P3O10) · 12H2OMon. 2/m

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 FianeliteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Mineralogical Record: 28: 401-402.
Brugger, J. & Berlepsch, P. (1996): Description and crystal structure of fianelite, Mn2V(V,As)O7.2H2O, a new mineral from Fianel, Val Ferrera, Graubünden, Switzerland. American Mineralogist: 81: 1270-1276.

Internet Links for FianeliteHide

Localities for FianeliteHide

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.
  • Piedmont
    • Cuneo Province
      • Maira Valley
        • Canosio
          • Vallone della Valletta
Cámara, F., Bittarello, E., Ciriotti, M.E., Nestola, F., Radica, F., Massimi, F., Balestra, C., Bracco, R. (2017a) As-bearing new mineral species from Valletta mine, Maira Valley, Piedmont, Italy: III. Canosioite, Ba2Fe3+(AsO4)2(OH), description and crystal structure. Mineralogical Magazine, 81, 305–317.
  • Honshu Island
    • Kanto Region
      • Saitama Prefecture
        • Hannou
Yamada et al (2000) Koubutsu-Gakkai Kou'en-Youshi, 88.
Switzerland (TL)
  • Grischun (Grisons; Graubünden)
    • Hinterrhein Valley
      • Ferrera Valley
        • Ausserferrera
Am.Min.: 81:1270-1276.
Mineral and/or Locality  
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