Mineralogy Database

Riomarinaite Mineral Data

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General Riomarinaite Information

Help on Chemical  Formula: Chemical Formula: Bi(OH)SO4•H2O
Help on Composition: Composition: Molecular Weight = 345.49 gm
   Bismuth   61.70 %  Bi   68.78 % Bi2O3
   Hydrogen   0.77 %  H     6.88 % H2O
   Sulfur     9.75 %  S    24.33 % SO3
   Oxygen    27.79 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Bi1.02H2.64S1.05O6
Help on Environment: Environment: Occurs on weathered and corroded pyrite probably derived from the breakdown of primary bismuthinite and cosalite. Second natural bismuth sulfate.
Help on IMA Status: IMA Status: Approved IMA 2000 (Dana # Added)
Help on Locality: Locality: Falcacci mine, Rio Marina iron mine, Elba Island, Toscana (Tuscany), Italy Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality
Help on Synonym: Synonym: IMA2000-004