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Vanadiocarpholite

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About VanadiocarpholiteHide

Formula:
Mn2+V3+Al(Si2O6)(OH)4
Colour:
pale-straw yellow, honey-yellow to brown
Lustre:
Vitreous, Silky
Crystal System:
Orthorhombic
Name:
Named after its chemical composition and the relation to carpholite.
The vanadium(III) analogue of carpholite.


Classification of VanadiocarpholiteHide

Approved
Approval Year:
2003
9.DB.05

9 : SILICATES (Germanates)
D : Inosilicates
B : Inosilicates with 2-periodic single chains, Si2O6; Pyroxene-related minerals

Physical Properties of VanadiocarpholiteHide

Vitreous, Silky
Colour:
pale-straw yellow, honey-yellow to brown

Chemical Properties of VanadiocarpholiteHide

Formula:
Mn2+V3+Al(Si2O6)(OH)4
IMA Formula:
Mn2+V3+AlSi2O6(OH)4

Crystallography of VanadiocarpholiteHide

Crystal System:
Orthorhombic
Class (H-M):
mmm (2/m 2/m 2/m) - Dipyramidal
Space Group:
Ccca
Cell Parameters:
a = 13.83 Å, b = 20.681 Å, c = 5.188 Å
Ratio:
a:b:c = 0.669 : 1 : 0.251
Unit Cell V:
1483.9 ų
Z:
8

Type Occurrence of VanadiocarpholiteHide

General Appearance of Type Material:
veinlets and radiating aggregates of strongly elongated, prismatic to acicular crystals up to about 0.28 mm
Place of Conservation of Type Material:
University of Genova, Genova, Italy
Geological Setting of Type Material:
in silicified wood in Mn-ore-bearing radiolarian cherts

Synonyms of VanadiocarpholiteHide

Other Language Names for VanadiocarpholiteHide

Relationship of Vanadiocarpholite to other SpeciesHide

Other Members of this group:
CarpholiteMn2+Al2(Si2O6)(OH)4Orth.
Ferrocarpholite(Fe2+,Mg)Al2(Si2O6)(OH)4Orth. mmm (2/m 2/m 2/m) : Ccca
Magnesiocarpholite(Mg,Fe2+)Al2(Si2O6)(OH)4Orth.
Potassiccarpholite(K,☐)(Li,Mn2+)2Al4(Si2O6)2(OH,F)8Orth. mmm (2/m 2/m 2/m) : Ccca

Common AssociatesHide

Associated Minerals Based on Photo Data:
Volborthite2 photos of Vanadiocarpholite associated with Volborthite on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

9.DB.05BalipholiteBaLiMg2Al3(Si2O6)2(OH)4Orth.
9.DB.05CarpholiteMn2+Al2(Si2O6)(OH)4Orth.
9.DB.05Ferrocarpholite(Fe2+,Mg)Al2(Si2O6)(OH)4Orth. mmm (2/m 2/m 2/m) : Ccca
9.DB.05Magnesiocarpholite(Mg,Fe2+)Al2(Si2O6)(OH)4Orth.
9.DB.05Potassiccarpholite(K,☐)(Li,Mn2+)2Al4(Si2O6)2(OH,F)8Orth. mmm (2/m 2/m 2/m) : Ccca
9.DB.10LorenzeniteNa2Ti2(Si2O6)O3Orth. mmm (2/m 2/m 2/m) : Pbcn
9.DB.15LintisiteLiNa3Ti2(Si2O6)2O2 · 2H2OMon.
9.DB.15PunkaruaiviteLiTi2(HSi4O12)(OH)2 · H2OMon. 2/m : B2/b
9.DB.17EliseeviteLiNa1.5Ti2(H1.5Si4O12)O2 · 2H2OMon. 2/m : B2/b
9.DB.20KukisvumiteNa6ZnTi4(Si8O24)O4 · 4H2OOrth.
9.DB.20ManganokukisvumiteNa6MnTi4(Si8O24)O4 · 4H2OOrth. mmm (2/m 2/m 2/m) : Pccn
9.DB.25VinogradoviteNa4Ti4(Si2O6)2[(Si,Al)4O10]O4 · (H2O,Na,K)3Mon. 2/m : B2/b
9.DB.25ParavinogradoviteNa1-2(Ti,Fe3+)4(Si2O6)2(AlSi3O10)(OH)4 · H2OTric. 1 : P1
9.DB.30NchwaningiteMn2+2(SiO3)(OH)2 · H2OOrth.
9.DB.35PlancheiteCu8(Si8O22)(OH)4 · H2OOrth. mmm (2/m 2/m 2/m)
9.DB.40ShattuckiteCu5(Si2O6)2(OH)2Orth. mmm (2/m 2/m 2/m)
9.DB.40UM2005-31-SiO:CuHCu11(SiO4)(OH)18 · 9H2O ?
9.DB.45Aerinite(Ca5.1Na0.5)(Fe3+,Al,Fe2+,Mg)4(Al,Mg)6[HSi12O36(OH)12][(CO3)1.2(H2O)12]Mon.
9.DB.50CapranicaiteKCaNaAl4B4Si2O18Mon. 2/m : P21/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 VanadiocarpholiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Poster presented at the 5th International Conference on Mineralogy & Museums, Paris (France), Sept 5-8, 2004.
Basso, R., Cabella, R., Lucchetti, G., Martinelli, A., and Palenzona, A (2005) Vanadiocarpholite, Mn 2+ V 3+ Al[Si2O6](OH)4, a new mineral from Mulinello mine, nothern Appennins, Italy. European Journal of Mineralogy: 3: 501-507.

Internet Links for VanadiocarpholiteHide

Localities for VanadiocarpholiteHide

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)
 
  • Liguria
    • Genova Province
      • Ne
        • Graveglia Valley
Basso, R., Cabella, R., Lucchetti, G., Martinelli, A., & Palenzona, A., 2005. Vanadiocarpholite, Mn2+V3+Al(Si2O6)(OH)4, a new mineral from Molinello Mine, Northern Appennines, Italy. European Journal of Mineralogy, 17 (3), 501-507 and Palenzona, A., Martinelli, A., & Stuppini, M., 2006. Vanadiocarfolite. Una nuova specie da Molinello, Val Graveglia, Liguria orientale. Rivista Mineralogica Italiana, 30 (1), 44-47.
          • Reppia
Redazione (2005): Sistematica ligure: resoconto 2005. Notiziario di Mineralogia Ferrania Club, 19, 3-5.
Mineral and/or Locality  
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