Mineralogy Database

Gravegliaite Mineral Data

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General Gravegliaite Information

Help on Chemical  Formula: Chemical Formula: Mn++(SO3)•3(H2O)
Help on Composition: Composition: Molecular Weight = 233.00 gm
   Manganese  42.44 %  Mn   54.80 % MnO
   Hydrogen    2.60 %  H    23.20 % H2O
   Sulfur     13.76 %  S    27.50 % SO2
   Oxygen     41.20 %  O
             ______        ______ 
             100.00 %      105.49 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Mn2+1.8(SO3)•3(H2O)
Help on Environment: Environment: Fractures in metamorphosed manganiferous layers in radiolarian cherts in an ophiolite sequence.
Help on IMA Status: IMA Status: Approved IMA 1991
Help on Locality: Locality: Gambatesa mine, near Reppia, Val Graveglia, Liguria, Italy. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
Help on Name Pronunciation: Name Pronunciation: Gravegliaite + Pronunciation Say GRAVEGLIAITE
Help on Synonym: Synonym: ICSD 33945
  IMA1990-020
  PDF 44-1445