Mineralogy Database

Vonsenite Mineral Data

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General Vonsenite Information

Help on Chemical  Formula: Chemical Formula: Fe++2Fe+++BO5
Help on Composition: Composition: Molecular Weight = 258.35 gm
   Iron    64.85 %  Fe   55.62 % FeO / 30.91 % Fe2O3
   Boron    4.18 %  B    13.47 % B2O3
   Oxygen  30.96 %  O
          ______        ______ 
          100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Fe2+2Fe3+BO5
Help on Environment: Environment: Uncommon in boron-rich skarns.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1920
Help on Locality: Locality: Old City Quarry, Riverside, Riverside County, California, USA. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Magnus Vonsen (1879-1954), amateur mineralogist and mineral collector who discovered the mineral.
Help on Name Pronunciation: Name Pronunciation: Vonsenite + Pronunciation Say VONSENITE
Help on Synonym: Synonym: ICSD 31214
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