Mineralogy Database

Metavoltine Mineral Data

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General Metavoltine Information

Help on Chemical  Formula: Chemical Formula: K4Na4(Fe++,Zn)Fe+++6(SO4)12O2•20(H2O)
Help on Composition: Composition: Molecular Weight = 2,189.12 gm
   Potassium   7.14 %  K     8.61 % K2O
   Sodium      4.20 %  Na    5.66 % Na2O
   Zinc        1.49 %  Zn    1.86 % ZnO
   Iron       16.58 %  Fe    1.64 % FeO / 21.88 % Fe2O3
   Hydrogen    1.84 %  H    16.46 % H2O
   Sulfur     17.58 %  S    43.89 % SO3
   Oxygen     51.16 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: K4Na4Fe2+0.5Zn0.5Fe3+6(SO4)12O2�20(H2O)
Help on Environment: Environment: Volcanic exhalations.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1883
Help on Locality: Locality: From Vesuvius and Cape Miseno, near Naples, Italy. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named from the Greek for "with" and voltine, because is was found associated with voltaite at the original locality.
Help on Name Pronunciation: Name Pronunciation: Metavoltine + Pronunciation Say METAVOLTINE
Help on Synonym: Synonym: ICSD 8270
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