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Ardennite-(V) Mineral Data
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General Ardennite-(V) Information
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Chemical Formula: |
Mn++4[Al4(Mg,Al,Fe+++,Mn+++)2][Si5(V,Si)]O22(OH)6 |
Composition: |
Molecular Weight = 1,015.46 gm |
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Sodium 0.01 % Na 0.02 % Na2O |
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Calcium 3.05 % Ca 4.27 % CaO |
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Magnesium 2.70 % Mg 4.47 % MgO |
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Titanium 0.13 % Ti 0.21 % TiO2 |
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Manganese 18.17 % Mn 22.49 % MnO / 1.01 % Mn2O3 |
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Aluminum 12.05 % Al 22.77 % Al2O3 |
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Vanadium 2.60 % V 4.64 % V2O5 |
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Chromium 0.24 % Cr 0.34 % Cr2O3 |
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Iron 1.15 % Fe 1.65 % Fe2O3 |
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Silicon 14.70 % Si 31.45 % SiO2 |
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Arsenic 0.24 % As 0.37 % As2O5 |
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Phosphorus 0.17 % P 0.38 % P2O5 |
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Hydrogen 0.64 % H 5.74 % H2O |
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Oxygen 43.97 % O |
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Fluorine 0.17 % F 0.17 % F |
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- %
F -0.07 % -O=F2 |
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______ ______ |
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100.00 % 99.94 % = TOTAL OXIDE |
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 |
Environment: |
Found in a specimen of piemontite-bearing mica schist. Forms a series with ardennite-(As). |
IMA Status: |
Approved IMA 2005 (Dana # Added) |
Locality: |
Sparone, Val di Locana, Piedmont, Italy. Link to MinDat.org Location Data. |
Name Origin: |
Named as the vanadium analogue of ardennite (ardennite-(As). |
Name Pronunciation: |
Ardennite-(V) + Pronunciation |
Synonym: |
IMA2005-037 |
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