Mineralogy Database

Pecoraite Mineral Data

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General Pecoraite Information

Help on Chemical  Formula: Chemical Formula: Ni3Si2O5(OH)4
Help on Composition: Composition: Molecular Weight = 380.27 gm
   Silicon   14.77 %  Si   31.60 % SiO2
   Nickel    46.30 %  Ni   58.92 % NiO
   Hydrogen   1.06 %  H     9.48 % H2O
   Oxygen    37.87 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ni3SI2O5(OH)4
Help on Environment: Environment: Formed by weathering of Ni-Fe meteorite fragments in a desert environment.
Help on IMA Status: IMA Status: Approved IMA 1969
Help on Locality: Locality: In the Wolf Creek meteorite. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for William Thomas Pecora (1913-1972), Director of the U.S. Geological Survey, geologist and student of nickel silicate deposits.
Help on Name Pronunciation: Name Pronunciation: Pecoraite + Pronunciation Say PECORAITE
Help on Synonym: Synonym: Chrysotile - (Ni bearing)