Mineralogy Database

Pimelite Mineral Data

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General Pimelite Information

Help on Chemical  Formula: Chemical Formula: Ni3Si4O10(OH)2•4(H2O)
Help on Composition: Composition: Molecular Weight = 554.48 gm
   Silicon   20.26 %  Si   43.34 % SiO2
   Nickel    31.75 %  Ni   40.41 % NiO
   Hydrogen   1.82 %  H    16.25 % H2O
   Oxygen    46.17 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ni3Si4O10(OH)2•4(H2O)
Help on Environment: Environment: Found in lateritic profiles above serpentinites or dunites. Pimelite (1800) = probably willemseite or kerolite
Help on IMA Status: IMA Status: Discredited IMA 2006 - Valid Species (Pre-IMA) 1800
Help on Locality: Locality: Kosemutz, near Frankenstein, Upper Silseia, Poland. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the Greek word for "fat", in allusion to the mineral's appearance.
Help on Synonym: Synonym: Desaulsite
  Kerolite(Ni)
  Revdanskite
  Rottisite