Mineralogy Database

Ardennite-(V) Mineral Data

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General Ardennite-(V) Information

Help on Chemical  Formula: Chemical Formula: Mn++4[Al4(Mg,Al,Fe+++,Mn+++)2][Si5(V,Si)]O22(OH)6
Help on Composition: Composition: Molecular Weight = 1,015.46 gm
   Sodium       0.01 %  Na    0.02 % Na2O
   Calcium      3.05 %  Ca    4.27 % CaO
   Magnesium    2.70 %  Mg    4.47 % MgO
   Titanium     0.13 %  Ti    0.21 % TiO2
   Manganese   18.17 %  Mn   22.49 % MnO /  1.01 % Mn2O3
   Aluminum    12.05 %  Al   22.77 % Al2O3
   Vanadium     2.60 %  V     4.64 % V2O5
   Chromium     0.24 %  Cr    0.34 % Cr2O3
   Iron         1.15 %  Fe    1.65 % Fe2O3
   Silicon     14.70 %  Si   31.45 % SiO2
   Arsenic      0.24 %  As    0.37 % As2O5
   Phosphorus   0.17 %  P     0.38 % P2O5
   Hydrogen     0.64 %  H     5.74 % H2O
   Oxygen      43.97 %  O
   Fluorine     0.17 %  F     0.17 % F
                 -   %   F    -0.07 % -O=F2    
              ______        ______ 
              100.00 %       99.94 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Mn2+3.22Ca0.77Na0.006Al4.45Mg1.12Fe3+0.21Mn3+0.13Cr0.04Ti0.02Si5V5+0.51Si0.31 Al0.08P0.05As0.03O21.43(OH)6.47F0.09
Help on Environment: Environment: Found in a specimen of piemontite-bearing mica schist. Forms a series with ardennite-(As).
Help on IMA Status: IMA Status: Approved IMA 2005 (Dana # Added)
Help on Locality: Locality: Sparone, Val di Locana, Piedmont, Italy. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named as the vanadium analogue of ardennite (ardennite-(As).
Help on Name Pronunciation: Name Pronunciation: Ardennite-(V) + Pronunciation Say ARDENNITE-(V)
Help on Synonym: Synonym: IMA2005-037